diff --git a/build.gradle b/build.gradle
index fc21cec..7a3fc2e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,3 +1,9 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ *
+ */
+
 plugins {
     id 'java'
     id 'io.spring.dependency-management' version '1.0.9.RELEASE'
@@ -12,9 +18,6 @@ jar {
 repositories {
     mavenLocal()
     mavenCentral()
-    maven {
-        url "https://repository.primefaces.org/"
-    }
 }
 
 sourceCompatibility = 11
@@ -29,15 +32,11 @@ dependencies {
     }
 
     implementation  group: 'org.springframework.boot', name: 'spring-boot-starter-web'
-    implementation  group: 'org.springframework.boot', name: 'spring-boot-starter-security'
     implementation  group: 'org.springframework.boot', name: 'spring-boot-starter-jetty'
+    implementation group: 'org.springframework.boot', name: 'spring-boot-starter-thymeleaf'
     implementation  group: 'org.slf4j', name: 'slf4j-api', version: versionSLF4J
-    implementation group: 'org.primefaces', name: 'primefaces', version: '7.0'
-    implementation group: 'net.bootsfaces', name: 'bootsfaces', version: '1.4.2'
-    implementation group: 'org.joinfaces', name: 'jsf-spring-boot-starter', version: '4.0.8'
+    implementation group: 'nz.net.ultraq.thymeleaf', name: 'thymeleaf-layout-dialect'
     implementation group: 'org.javassist', name: 'javassist', version: '3.25.0-GA'
-    implementation group: 'org.primefaces.themes', name: 'all-themes', version: '1.0.10'
-
     implementation  group: 'org.eclipse.jetty', name: 'jetty-servlet', version: versionJetty
 
     implementation  group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: versionJackson
@@ -47,6 +46,12 @@ dependencies {
     implementation  group: 'io.springfox', name: 'springfox-swagger2', version: versionSwagger
     implementation  group: 'io.springfox', name: 'springfox-swagger-ui', version: versionSwagger
 
+    implementation group: 'org.webjars', name: 'jquery', version: '3.6.0'
+    implementation group: 'org.webjars', name: 'bootstrap', version: '4.6.0'
+    implementation group: 'org.webjars', name: 'bootstrap-select', version: '1.13.8'
+    implementation group: 'org.webjars', name: 'font-awesome', version: '4.7.0'
+    implementation group: 'org.webjars', name: 'highcharts', version: '7.0.0'
+
     testImplementation  group: 'org.springframework.boot', name: 'spring-boot-starter-test'
 }
 
diff --git a/java_pid12196.hprof b/java_pid12196.hprof
new file mode 100644
index 0000000..66aa62a
Binary files /dev/null and b/java_pid12196.hprof differ
diff --git a/src/main/java/ru/ulstu/configuration/MvcConfiguration.java b/src/main/java/ru/ulstu/configuration/MvcConfiguration.java
index 11f7910..9ad19be 100644
--- a/src/main/java/ru/ulstu/configuration/MvcConfiguration.java
+++ b/src/main/java/ru/ulstu/configuration/MvcConfiguration.java
@@ -1,6 +1,13 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ *
+ */
+
 package ru.ulstu.configuration;
 
 import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
 import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
@@ -8,7 +15,13 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 public class MvcConfiguration implements WebMvcConfigurer {
     @Override
     public void addViewControllers(ViewControllerRegistry registry) {
-        registry.addRedirectViewController("/", "/index.xhtml");
-        registry.addRedirectViewController("/default", "/index.xhtml");
+        registry.addViewController("/{articlename:\\w+}");
+    }
+
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        registry
+                .addResourceHandler("/webjars/**")
+                .addResourceLocations("/webjars/");
     }
 }
diff --git a/src/main/java/ru/ulstu/configuration/SecurityConfiguration.java b/src/main/java/ru/ulstu/configuration/SecurityConfiguration.java
deleted file mode 100644
index 9ad383e..0000000
--- a/src/main/java/ru/ulstu/configuration/SecurityConfiguration.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package ru.ulstu.configuration;
-
-import org.springframework.context.annotation.Configuration;
-import org.springframework.security.config.annotation.web.builders.HttpSecurity;
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
-
-@Configuration
-public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
-    @Override
-    protected void configure(HttpSecurity http) throws Exception {
-        http.authorizeRequests().anyRequest().permitAll();
-        http.csrf().disable();
-    }
-}
diff --git a/src/main/java/ru/ulstu/configuration/TemplateConfiguration.java b/src/main/java/ru/ulstu/configuration/TemplateConfiguration.java
new file mode 100644
index 0000000..258d542
--- /dev/null
+++ b/src/main/java/ru/ulstu/configuration/TemplateConfiguration.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ *
+ */
+
+package ru.ulstu.configuration;
+
+import nz.net.ultraq.thymeleaf.LayoutDialect;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.MessageSource;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.support.ReloadableResourceBundleMessageSource;
+import org.thymeleaf.spring5.SpringTemplateEngine;
+import org.thymeleaf.templateresolver.ITemplateResolver;
+
+@Configuration
+public class TemplateConfiguration {
+
+    @Bean
+    public SpringTemplateEngine templateEngine(ITemplateResolver templateResolver) {
+        final SpringTemplateEngine templateEngine = new SpringTemplateEngine();
+        templateEngine.addTemplateResolver(templateResolver);
+        templateEngine.addDialect(new LayoutDialect());
+        templateEngine.setMessageSource(messageSource());
+        return templateEngine;
+    }
+
+    @Value("${messages.basename.path}")
+    private String messagesBasename;
+
+    public MessageSource messageSource() {
+        ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
+        messageSource.setFallbackToSystemLocale(false);
+        messageSource.setBasenames("file:" + messagesBasename);
+        return messageSource;
+    }
+}
diff --git a/src/main/java/ru/ulstu/controller/DbController.java b/src/main/java/ru/ulstu/controller/DbController.java
new file mode 100644
index 0000000..0dcc075
--- /dev/null
+++ b/src/main/java/ru/ulstu/controller/DbController.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ *
+ */
+
+package ru.ulstu.controller;
+
+import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import ru.ulstu.configuration.ApiConfiguration;
+import ru.ulstu.datamodel.ts.TimeSeries;
+import ru.ulstu.db.DbService;
+import ru.ulstu.db.model.TimeSeriesMeta;
+import ru.ulstu.db.model.TimeSeriesSet;
+
+import java.io.IOException;
+import java.util.List;
+
+@RestController
+@RequestMapping(ApiConfiguration.API_1_0)
+public class DbController {
+
+    private final DbService dbService;
+
+    public DbController(DbService dbService) {
+        this.dbService = dbService;
+    }
+
+    @GetMapping("get-time-series-sets")
+    public List<TimeSeriesSet> getTimeSeriesSets() throws IOException {
+        return dbService.getSets();
+    }
+
+    @GetMapping("get-time-series-meta")
+    public List<TimeSeriesMeta> getTimeSeriesSets(@RequestParam("setKey") String setKey) throws IOException {
+        return dbService.getTimeSeriesMeta(new TimeSeriesSet(setKey));
+    }
+
+    @GetMapping("get-time-series")
+    public TimeSeries getTimeSeries(@RequestParam("setKey") String setKey, @RequestParam("timeSeriesKey") String timeSeriesKey) throws IOException {
+        return dbService.getTimeSeries(new TimeSeriesSet(setKey), timeSeriesKey);
+    }
+
+    @GetMapping("add-time-series-set")
+    public void addTimeSeriesSet(@RequestParam("setKey") String setKey) {
+        dbService.addSet(setKey);
+    }
+
+    @PostMapping("add-time-series")
+    public void addTimeSeries(@RequestParam("setKey") String setKey, @RequestBody TimeSeries timeSeries) throws IOException {
+        dbService.addTimeSeries(new TimeSeriesSet(setKey), timeSeries);
+    }
+
+    @DeleteMapping("delete-time-series")
+    public void deleteTimeSeries(@RequestParam("setKey") String setKey, @RequestParam("timeSeriesKey") String timeSeriesKey) throws IOException {
+        dbService.deleteTimeSeries(new TimeSeriesSet(setKey), timeSeriesKey);
+    }
+
+    @DeleteMapping("delete-time-series-set")
+    public void deleteTimeSeriesSet(@RequestParam("setKey") String setKey) throws IOException {
+        dbService.deleteTimeSeriesSet(new TimeSeriesSet(setKey));
+    }
+}
diff --git a/src/main/java/ru/ulstu/controller/IndexController.java b/src/main/java/ru/ulstu/controller/IndexController.java
new file mode 100644
index 0000000..09458db
--- /dev/null
+++ b/src/main/java/ru/ulstu/controller/IndexController.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ *
+ */
+
+package ru.ulstu.controller;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import ru.ulstu.datamodel.ChartForm;
+import ru.ulstu.datamodel.ModelingResult;
+import ru.ulstu.datamodel.ts.TimeSeries;
+import ru.ulstu.datamodel.ts.TimeSeriesValue;
+import ru.ulstu.db.DbService;
+import ru.ulstu.service.TimeSeriesService;
+import ru.ulstu.service.UtilService;
+import springfox.documentation.annotations.ApiIgnore;
+
+import java.io.IOException;
+import java.time.format.DateTimeFormatter;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+@Controller
+@ApiIgnore
+public class IndexController {
+    private final UtilService utilService;
+    private final TimeSeriesService timeSeriesService;
+    private final DbService dbService;
+
+    private final static Logger LOG = LoggerFactory.getLogger(IndexController.class);
+
+    public IndexController(UtilService utilService,
+                           TimeSeriesService timeSeriesService,
+                           DbService dbService) {
+        this.utilService = utilService;
+        this.timeSeriesService = timeSeriesService;
+        this.dbService = dbService;
+    }
+
+    @GetMapping("/")
+    public String index(Model model) throws IOException {
+        model.addAttribute("sets", dbService.getSets());
+        model.addAttribute("chartForm", new ChartForm());
+        return "index.html";
+    }
+
+    @GetMapping("chart")
+    public String chart(@ModelAttribute ChartForm chartForm, Model model) throws IOException {
+        model.addAttribute("sets", dbService.getSets());
+        if (chartForm.getSet() != null) {
+            model.addAttribute("listTimeSeries", dbService.getTimeSeriesMeta(chartForm.getSet()));
+        }
+        if (chartForm.getTimeSeriesMeta() != null
+                && chartForm.getTimeSeriesMeta().getKey() != null
+                && !chartForm.getTimeSeriesMeta().getKey().isEmpty()) {
+            addChartToModel(dbService.getTimeSeries(chartForm.getSet(), chartForm.getTimeSeriesMeta().getKey()), model);
+        }
+        return "index.html";
+    }
+
+    private void addChartToModel(TimeSeries timeSeries, Model model) {
+        int countForecastPoints = 10;
+        TimeSeries timeSeriesModel = null;
+        ModelingResult modelingResult = null;
+        TimeSeries forecast = null;
+        TimeSeries testForecast = null;
+        try {
+            timeSeriesModel = timeSeriesService.smoothTimeSeries(timeSeries);
+            modelingResult = timeSeriesService.getForecast(timeSeries, countForecastPoints);
+            forecast = modelingResult.getTimeSeries();
+            testForecast = modelingResult.getTestForecast();
+        } catch (Exception e) {
+            LOG.warn(e.getMessage());
+        }
+
+        Set<String> dates = timeSeries.getValues().stream()
+                .map(v -> v.getDate().format(DateTimeFormatter.ISO_DATE))
+                .collect(Collectors.toSet());
+        dates.addAll(forecast.getValues().stream()
+                .map(v -> v.getDate().format(DateTimeFormatter.ISO_DATE))
+                .collect(Collectors.toSet()));
+        model.addAttribute("dates", dates);
+        model.addAttribute("timeSeries", timeSeries.getValues().stream().map(TimeSeriesValue::getValue).toArray());
+        model.addAttribute("model", timeSeriesModel.getValues().stream().map(TimeSeriesValue::getValue).toArray());
+        timeSeries.getValues().remove(timeSeries.getValues().size() - 1);
+
+        List<Double> forecastValues = timeSeries.getValues().stream().map(v -> (Double) null).collect(Collectors.toList());
+        forecastValues.addAll(forecast.getValues().stream().map(TimeSeriesValue::getValue).collect(Collectors.toList()));
+        model.addAttribute("forecast", forecastValues.toArray());
+
+        List<Double> testForecastValues = timeSeries.getValues()
+                .stream()
+                .skip(countForecastPoints)
+                .map(v -> (Double) null)
+                .collect(Collectors.toList());
+        testForecastValues.addAll(testForecast.getValues().stream().map(TimeSeriesValue::getValue).collect(Collectors.toList()));
+        model.addAttribute("testForecast", testForecastValues.toArray());
+        model.addAttribute("forecastDescription", modelingResult);
+    }
+}
diff --git a/src/main/java/ru/ulstu/datamodel/ChartForm.java b/src/main/java/ru/ulstu/datamodel/ChartForm.java
new file mode 100644
index 0000000..f3e395d
--- /dev/null
+++ b/src/main/java/ru/ulstu/datamodel/ChartForm.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ *
+ */
+
+package ru.ulstu.datamodel;
+
+import ru.ulstu.db.model.TimeSeriesMeta;
+import ru.ulstu.db.model.TimeSeriesSet;
+
+public class ChartForm {
+    private TimeSeriesSet set;
+    private TimeSeriesMeta timeSeriesMeta;
+
+    public TimeSeriesSet getSet() {
+        return set;
+    }
+
+    public void setSet(TimeSeriesSet set) {
+        this.set = set;
+    }
+
+    public TimeSeriesMeta getTimeSeriesMeta() {
+        return timeSeriesMeta;
+    }
+
+    public void setTimeSeriesMeta(TimeSeriesMeta timeSeriesMeta) {
+        this.timeSeriesMeta = timeSeriesMeta;
+    }
+}
diff --git a/src/main/java/ru/ulstu/datamodel/Model.java b/src/main/java/ru/ulstu/datamodel/Model.java
index 7f912fb..1ee7734 100644
--- a/src/main/java/ru/ulstu/datamodel/Model.java
+++ b/src/main/java/ru/ulstu/datamodel/Model.java
@@ -12,7 +12,7 @@ public abstract class Model {
     protected final TimeSeries timeSeriesModel;
 
     protected Model(TimeSeries ts) {
-        timeSeriesModel = new TimeSeries("Model of", ts.getName());
+        timeSeriesModel = new TimeSeries("Model of", ts.getKey());
     }
 
     public TimeSeries getTimeSeriesModel() {
diff --git a/src/main/java/ru/ulstu/datamodel/ModelingResult.java b/src/main/java/ru/ulstu/datamodel/ModelingResult.java
index 79a8940..f94c111 100644
--- a/src/main/java/ru/ulstu/datamodel/ModelingResult.java
+++ b/src/main/java/ru/ulstu/datamodel/ModelingResult.java
@@ -14,15 +14,18 @@ import java.util.List;
 
 public class ModelingResult {
     private final TimeSeries timeSeries;
+    private final TimeSeries testForecast;
     private final List<MethodParamValue> paramValues;
     private final Score score;
     private final Method method;
 
     public ModelingResult(TimeSeries timeSeries,
+                          TimeSeries testForecast,
                           List<MethodParamValue> paramValues,
                           Score score,
                           Method method) {
         this.timeSeries = timeSeries;
+        this.testForecast = testForecast;
         this.paramValues = paramValues;
         this.score = score;
         this.method = method;
@@ -43,4 +46,8 @@ public class ModelingResult {
     public Method getTimeSeriesMethod() {
         return method;
     }
+
+    public TimeSeries getTestForecast() {
+        return testForecast;
+    }
 }
diff --git a/src/main/java/ru/ulstu/datamodel/Score.java b/src/main/java/ru/ulstu/datamodel/Score.java
index aedf724..a154ab5 100644
--- a/src/main/java/ru/ulstu/datamodel/Score.java
+++ b/src/main/java/ru/ulstu/datamodel/Score.java
@@ -23,7 +23,7 @@ public class Score {
     }
 
     public Number getValue() {
-        return value;
+        return ((double) Math.round(value.doubleValue() * 100)) / 100;
     }
 
     @JsonIgnore
diff --git a/src/main/java/ru/ulstu/datamodel/ts/TimeSeries.java b/src/main/java/ru/ulstu/datamodel/ts/TimeSeries.java
index 1e5ee54..ca70eef 100644
--- a/src/main/java/ru/ulstu/datamodel/ts/TimeSeries.java
+++ b/src/main/java/ru/ulstu/datamodel/ts/TimeSeries.java
@@ -7,6 +7,7 @@
 package ru.ulstu.datamodel.ts;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonProperty;
 
 import java.util.ArrayList;
@@ -14,20 +15,20 @@ import java.util.List;
 
 public class TimeSeries {
     private List<TimeSeriesValue> values = new ArrayList<>();
-    private String name;
+    private String key;
 
-    public TimeSeries(String name) {
-        this.name = name;
+    public TimeSeries(String key) {
+        this.key = key;
     }
 
     public TimeSeries(String prefix, String suffix) {
-        this.name = String.format("%s %s", prefix, suffix);
+        this.key = String.format("%s %s", prefix, suffix);
     }
 
     @JsonCreator
-    public TimeSeries(@JsonProperty(value = "values") List<TimeSeriesValue> values, @JsonProperty(value = "name") String name) {
+    public TimeSeries(@JsonProperty(value = "values") List<TimeSeriesValue> values, @JsonProperty(value = "name") String key) {
         this.values = values;
-        this.name = name;
+        this.key = key;
     }
 
     public TimeSeries() {
@@ -42,16 +43,12 @@ public class TimeSeries {
         return values;
     }
 
-    public void setValues(List<TimeSeriesValue> values) {
-        this.values = values;
+    public String getKey() {
+        return key;
     }
 
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
+    public void setKey(String key) {
+        this.key = key;
     }
 
     public boolean isEmpty() {
@@ -66,6 +63,7 @@ public class TimeSeries {
         values.add(new TimeSeriesValue(basedOnValue.getDate(), value));
     }
 
+    @JsonIgnore
     public TimeSeriesValue getLastValue() {
         return values.get(values.size() - 1);
     }
@@ -74,6 +72,7 @@ public class TimeSeries {
         return values.size();
     }
 
+    @JsonIgnore
     public TimeSeriesValue getFirstValue() {
         if ((values.size() > 0)) {
             return values.get(0);
@@ -99,7 +98,7 @@ public class TimeSeries {
     public String toString() {
         return "TimeSeries{" +
                 "values=" + values +
-                ", name='" + name + '\'' +
+                ", name='" + key + '\'' +
                 '}';
     }
 }
diff --git a/src/main/java/ru/ulstu/db/DbFileService.java b/src/main/java/ru/ulstu/db/DbFileService.java
new file mode 100644
index 0000000..8d9d70d
--- /dev/null
+++ b/src/main/java/ru/ulstu/db/DbFileService.java
@@ -0,0 +1,180 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ *
+ */
+
+package ru.ulstu.db;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+import ru.ulstu.datamodel.ts.TimeSeries;
+import ru.ulstu.db.model.TimeSeriesMeta;
+import ru.ulstu.db.model.TimeSeriesSet;
+import ru.ulstu.service.UtilService;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileFilter;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+@Service
+public class DbFileService implements DbService {
+    @Value("${time-series.db-path}")
+    private String timeSeriesDbPath;
+
+    @Override
+    public List<TimeSeriesSet> getSets() throws IOException {
+        createDbIfNotExists();
+        return Arrays.stream(Objects.requireNonNull(new File(timeSeriesDbPath).listFiles(File::isDirectory)))
+                .map(TimeSeriesSet::new)
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public List<TimeSeriesMeta> getTimeSeriesMeta(TimeSeriesSet timeSeriesSet) throws IOException {
+        validateTimeSeriesSet(timeSeriesSet);
+        List<TimeSeriesMeta> list = new ArrayList<>();
+        for (File file : getTimeSeriesMetaFiles(timeSeriesSet)) {
+            list.add(new ObjectMapper()
+                    .readValue(Paths.get(getSetPath(timeSeriesSet).getAbsolutePath(), file.getName())
+                            .toFile(), TimeSeriesMeta.class));
+        }
+        return list;
+    }
+
+    @Override
+    public TimeSeries getTimeSeries(TimeSeriesSet timeSeriesSet, String timeSeriesKey) throws IOException {
+        validateDb(timeSeriesSet, timeSeriesKey);
+        File timeSeriesFile = getTimeSeriesFile(timeSeriesSet, timeSeriesKey);
+        BufferedReader csvReader = new BufferedReader(new FileReader(timeSeriesFile));
+        String row;
+        TimeSeries result = new TimeSeries(timeSeriesKey);
+        while ((row = csvReader.readLine()) != null) {
+            TimeSeries partOfTimeSeries = new UtilService().getTimeSeriesFromDateValueString(row);
+            if (partOfTimeSeries.getLength() > 0) {
+                result.getValues().addAll(partOfTimeSeries.getValues());
+            }
+        }
+        csvReader.close();
+        return result;
+    }
+
+    @Override
+    public void addSet(String key) {
+        TimeSeriesSet timeSeriesSet = new TimeSeriesSet(key);
+        if (isTimeSeriesSetExists(timeSeriesSet)) {
+            throw new RuntimeException(String.format("Time series set %s already exists", timeSeriesSet.getKey()));
+        } else {
+            Paths.get(timeSeriesDbPath, timeSeriesSet.getKey()).toFile().mkdirs();
+        }
+    }
+
+    @Override
+    public void addTimeSeries(TimeSeriesSet timeSeriesSet, TimeSeries timeSeries) throws IOException {
+        if (!isTimeSeriesSetExists(timeSeriesSet)) {
+            addSet(timeSeriesSet.getKey());
+        }
+        BufferedWriter writer = new BufferedWriter(new FileWriter(Paths.get(getSetPath(timeSeriesSet).getAbsolutePath(), timeSeries.getKey() + ".csv").toFile()));
+        writer.write(new UtilService().getTimeSeriesToDateValueString(timeSeries));
+        writer.close();
+        createMetaFile(timeSeriesSet, timeSeries);
+    }
+
+    private void createMetaFile(TimeSeriesSet timeSeriesSet, TimeSeries timeSeries) throws IOException {
+        TimeSeriesMeta timeSeriesMeta = new TimeSeriesMeta(timeSeries);
+        new ObjectMapper()
+                .writeValue(Paths.get(getSetPath(timeSeriesSet).getAbsolutePath(), timeSeries.getKey() + ".csv.meta")
+                        .toFile(), timeSeriesMeta);
+    }
+
+    @Override
+    public void deleteTimeSeries(TimeSeriesSet set, String timeSeriesKey) throws IOException {
+        validateDb(set, timeSeriesKey);
+        Files.delete(getTimeSeriesFile(set, timeSeriesKey).toPath());
+    }
+
+    @Override
+    public void deleteTimeSeriesSet(TimeSeriesSet timeSeriesSet) {
+        validateDb(timeSeriesSet);
+        deleteDirectory(getSetPath(timeSeriesSet));
+    }
+
+    private void validateDb(TimeSeriesSet timeSeriesSet, String timeSeriesKey) {
+        validateDb(timeSeriesSet);
+        validateTimeSeries(timeSeriesSet, timeSeriesKey);
+    }
+
+    private void validateDb(TimeSeriesSet timeSeriesSet) {
+        validateTimeSeriesSet(timeSeriesSet);
+    }
+
+    private void createDbIfNotExists() throws IOException {
+        File dbPath = new File(timeSeriesDbPath);
+        if (!dbPath.exists()) {
+            Files.createDirectory(dbPath.toPath());
+        }
+    }
+
+    private void validateTimeSeriesSet(TimeSeriesSet timeSeriesSet) {
+        if (!isTimeSeriesSetExists(timeSeriesSet)) {
+            throw new RuntimeException(String.format("Time series set %s not exists", timeSeriesSet.getKey()));
+        }
+    }
+
+    private void validateTimeSeries(TimeSeriesSet timeSeriesSet, String timeSeriesKey) {
+        if (Arrays.stream(getSetPath(timeSeriesSet).listFiles(getFileFilter(timeSeriesKey, ".csv"))).findAny().isEmpty()) {
+            throw new RuntimeException(String.format("Time series %s not exists", timeSeriesKey));
+        }
+    }
+
+    private boolean isTimeSeriesSetExists(TimeSeriesSet timeSeriesSet) {
+        return Arrays.stream(Objects.requireNonNull(new File(timeSeriesDbPath).listFiles(File::isDirectory)))
+                .anyMatch(d -> d.getName().equals(timeSeriesSet.getKey()));
+    }
+
+    private List<File> getTimeSeriesMetaFiles(TimeSeriesSet timeSeriesSet) {
+        return Arrays.asList(getSetPath(timeSeriesSet).listFiles(f -> f.getName().endsWith(".csv.meta")));
+    }
+
+    private File getTimeSeriesFile(TimeSeriesSet timeSeriesSet, String timeSeriesKey) {
+        return Arrays.stream(getSetPath(timeSeriesSet).listFiles(getFileFilter(timeSeriesKey, ".csv")))
+                .findAny()
+                .orElseThrow(() -> new RuntimeException(String.format("Time series file not found: %s", timeSeriesKey)));
+    }
+
+    private File getTimeSeriesMetaFile(TimeSeriesSet timeSeriesSet, String timeSeriesKey) {
+        return Arrays.stream(getSetPath(timeSeriesSet).listFiles(getFileFilter(timeSeriesKey, ".csv.meta")))
+                .findAny()
+                .orElseThrow(() -> new RuntimeException(String.format("Time series meta file not found: %s", timeSeriesKey)));
+    }
+
+    private File getSetPath(TimeSeriesSet timeSeriesSet) {
+        return Paths.get(timeSeriesDbPath, timeSeriesSet.getKey()).toFile();
+    }
+
+    private FileFilter getFileFilter(String timeSeriesKey, String extension) {
+        return f -> f.getName().equals(timeSeriesKey + extension);
+    }
+
+    private boolean deleteDirectory(File directoryToBeDeleted) {
+        File[] allContents = directoryToBeDeleted.listFiles();
+        if (allContents != null) {
+            for (File file : allContents) {
+                deleteDirectory(file);
+            }
+        }
+        return directoryToBeDeleted.delete();
+    }
+}
diff --git a/src/main/java/ru/ulstu/db/DbService.java b/src/main/java/ru/ulstu/db/DbService.java
new file mode 100644
index 0000000..a3457e9
--- /dev/null
+++ b/src/main/java/ru/ulstu/db/DbService.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ *
+ */
+
+package ru.ulstu.db;
+
+import ru.ulstu.datamodel.ts.TimeSeries;
+import ru.ulstu.db.model.TimeSeriesMeta;
+import ru.ulstu.db.model.TimeSeriesSet;
+
+import java.io.IOException;
+import java.util.List;
+
+public interface DbService {
+    List<TimeSeriesSet> getSets() throws IOException;
+
+    List<TimeSeriesMeta> getTimeSeriesMeta(TimeSeriesSet timeSeriesSet) throws IOException;
+
+    TimeSeries getTimeSeries(TimeSeriesSet timeSeriesSet, String timeSeriesKey) throws IOException;
+
+    void addSet(String key);
+
+    void addTimeSeries(TimeSeriesSet timeSeriesSet, TimeSeries timeSeries) throws IOException;
+
+    void deleteTimeSeries(TimeSeriesSet set, String timeSeriesKey) throws IOException;
+
+    void deleteTimeSeriesSet(TimeSeriesSet timeSeriesSet) throws IOException;
+}
diff --git a/src/main/java/ru/ulstu/db/model/TimeSeriesMeta.java b/src/main/java/ru/ulstu/db/model/TimeSeriesMeta.java
new file mode 100644
index 0000000..56b6b34
--- /dev/null
+++ b/src/main/java/ru/ulstu/db/model/TimeSeriesMeta.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ *
+ */
+
+package ru.ulstu.db.model;
+
+import ru.ulstu.datamodel.ts.TimeSeries;
+
+public class TimeSeriesMeta {
+    private String key;
+    private int size;
+    private boolean hasDateTime;
+
+    public TimeSeriesMeta() {
+    }
+
+    public TimeSeriesMeta(String key) {
+        this.key = key;
+    }
+
+    public TimeSeriesMeta(TimeSeries timeSeries) {
+        this.key = timeSeries.getKey();
+        this.hasDateTime = timeSeries.getValues().stream().anyMatch(v -> v.getDate() != null);
+        this.size = timeSeries.getLength();
+    }
+
+    public String getKey() {
+        return key;
+    }
+
+    public int getSize() {
+        return size;
+    }
+
+    public boolean isHasDateTime() {
+        return hasDateTime;
+    }
+}
diff --git a/src/main/java/ru/ulstu/db/model/TimeSeriesSet.java b/src/main/java/ru/ulstu/db/model/TimeSeriesSet.java
new file mode 100644
index 0000000..ed014f7
--- /dev/null
+++ b/src/main/java/ru/ulstu/db/model/TimeSeriesSet.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ *
+ */
+
+package ru.ulstu.db.model;
+
+import java.io.File;
+
+public class TimeSeriesSet {
+    private String key;
+
+    public TimeSeriesSet(File dir) {
+        this.key = dir.getName();
+    }
+
+    public TimeSeriesSet(String key) {
+        this.key = key;
+    }
+
+    public String getKey() {
+        return key;
+    }
+}
diff --git a/src/main/java/ru/ulstu/method/Method.java b/src/main/java/ru/ulstu/method/Method.java
index 4451eb1..d065945 100644
--- a/src/main/java/ru/ulstu/method/Method.java
+++ b/src/main/java/ru/ulstu/method/Method.java
@@ -98,7 +98,7 @@ public abstract class Method {
 
     protected TimeSeries generateEmptyForecastPoints(TimeSeries model, int countPointForecast) {
         long diffMilliseconds = TimeSeriesUtils.getTimeDifferenceInMilliseconds(model);
-        TimeSeries forecast = new TimeSeries("Forecast of " + model.getName());
+        TimeSeries forecast = new TimeSeries("Forecast of " + model.getKey());
         forecast.addValue(new TimeSeriesValue(model.getLastValue().getDate()));
         for (int i = 1; i < countPointForecast + 1; i++) {
             forecast.addValue(new TimeSeriesValue(forecast.getValues().get(i - 1).getDate().plus(diffMilliseconds, ChronoUnit.MILLIS)));
diff --git a/src/main/java/ru/ulstu/page/IndexView.java b/src/main/java/ru/ulstu/page/IndexView.java
deleted file mode 100644
index 6f4f500..0000000
--- a/src/main/java/ru/ulstu/page/IndexView.java
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Copyright (C) 2021 Anton Romanov - All Rights Reserved
- * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
- *
- */
-
-package ru.ulstu.page;
-
-import org.primefaces.model.chart.AxisType;
-import org.primefaces.model.chart.DateAxis;
-import org.primefaces.model.chart.LegendPlacement;
-import org.primefaces.model.chart.LineChartModel;
-import org.primefaces.model.chart.LineChartSeries;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.springframework.beans.factory.annotation.Autowired;
-import ru.ulstu.datamodel.exception.ModelingException;
-import ru.ulstu.datamodel.ts.TimeSeries;
-import ru.ulstu.datamodel.ts.TimeSeriesValue;
-import ru.ulstu.service.TimeSeriesService;
-import ru.ulstu.service.UtilService;
-
-import javax.annotation.PostConstruct;
-import javax.faces.view.ViewScoped;
-import javax.inject.Named;
-import java.io.Serializable;
-import java.lang.reflect.InvocationTargetException;
-import java.time.format.DateTimeFormatter;
-import java.util.concurrent.ExecutionException;
-
-@Named
-@ViewScoped
-public class IndexView implements Serializable {
-    private final static Logger LOG = LoggerFactory.getLogger(IndexView.class);
-
-    @Autowired
-    private transient TimeSeriesService timeSeriesService;
-
-    @Autowired
-    private transient UtilService utilService;
-
-    private LineChartModel model;
-    private String timeSeriesString;
-
-    @PostConstruct
-    public void init() throws ExecutionException, InterruptedException, InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException, ModelingException {
-        timeSeriesString = utilService.getTimeSeriesToString(utilService.getRandomTimeSeries(50));
-        createChart();
-    }
-
-    private LineChartModel initLinearModel() throws ExecutionException, InterruptedException, InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException, ModelingException {
-        LineChartModel model = new LineChartModel();
-
-        LineChartSeries series1 = new LineChartSeries();
-        series1.setLabel("Временной ряд");
-
-        TimeSeries timeSeries = utilService.getTimeSeriesFromString(timeSeriesString);
-        for (TimeSeriesValue value : timeSeries.getValues()) {
-            series1.set(DateTimeFormatter.ISO_LOCAL_DATE.format(value.getDate()), value.getValue());
-        }
-
-        LineChartSeries series2 = new LineChartSeries();
-        series2.setLabel("Сглаженный ряд");
-        try {
-            TimeSeries smoothedTimeSeries = timeSeriesService.smoothTimeSeries(timeSeries);
-            for (TimeSeriesValue value : smoothedTimeSeries.getValues()) {
-                series2.set(DateTimeFormatter.ISO_LOCAL_DATE.format(value.getDate()), value.getValue());
-            }
-        } catch (Exception ex) {
-            LOG.warn(ex.getMessage());
-        }
-        LineChartSeries series3 = new LineChartSeries();
-        series3.setLabel("Прогноз");
-        TimeSeries forecast = timeSeriesService.getForecast(timeSeries, 20).getTimeSeries();
-        for (TimeSeriesValue value : forecast.getValues()) {
-            series3.set(DateTimeFormatter.ISO_LOCAL_DATE.format(value.getDate()), value.getValue());
-        }
-        model.addSeries(series1);
-        model.addSeries(series2);
-        model.addSeries(series3);
-        return model;
-    }
-
-    public void createChart() throws ExecutionException, InterruptedException, InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException, ModelingException {
-        model = initLinearModel();
-        model.setTitle("Сглаживание временного ряда");
-        model.setLegendPosition("d");
-        model.setLegendPlacement(LegendPlacement.OUTSIDEGRID);
-        DateAxis xAxis = new DateAxis("Time");
-        xAxis.setTickFormat("%#d %b %Y");
-        model.getAxes().put(AxisType.X, xAxis);
-    }
-
-    public LineChartModel getModel() {
-        return model;
-    }
-
-    public String getTimeSeriesString() throws ExecutionException, InterruptedException, InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException, ModelingException {
-        createChart();
-        return timeSeriesString;
-    }
-
-    public void setTimeSeriesString(String timeSeriesString) {
-        this.timeSeriesString = timeSeriesString;
-    }
-}
diff --git a/src/main/java/ru/ulstu/service/MethodParamBruteForce.java b/src/main/java/ru/ulstu/service/MethodParamBruteForce.java
index a065c01..b78efce 100644
--- a/src/main/java/ru/ulstu/service/MethodParamBruteForce.java
+++ b/src/main/java/ru/ulstu/service/MethodParamBruteForce.java
@@ -48,7 +48,7 @@ public class MethodParamBruteForce {
         List<ModelingResult> results2 = new CopyOnWriteArrayList<>();
         final int countPoints = (countPointsForecast > timeSeries.getLength()) ? timeSeries.getLength() / 3 : countPointsForecast;
         TimeSeries reducedTimeSeries = new TimeSeries(timeSeries.getValues().stream().limit(timeSeries.getLength() - countPoints).collect(Collectors.toList()),
-                "test part of " + timeSeries.getName());
+                "test part of " + timeSeries.getKey());
 
         Map<LocalDateTime, Double> tsValues = timeSeries.getValues().stream()
                 .collect(Collectors.toMap(TimeSeriesValue::getDate, TimeSeriesValue::getValue));
@@ -60,7 +60,7 @@ public class MethodParamBruteForce {
                 if (methodInstance.canMakeForecast(reducedTimeSeries, parametersValues, countPoints)) {
                     results.add(executors.submit(() -> {
                         TimeSeries forecast = methodInstance.getForecast(reducedTimeSeries, parametersValues, countPoints);
-                        return new ModelingResult(forecast,
+                        return new ModelingResult(forecast, null,
                                 parametersValues,
                                 scoreMethod.getScore(tsValues, forecast),
                                 methodInstance);
@@ -81,6 +81,7 @@ public class MethodParamBruteForce {
         forecast.getValue(0).setValue(timeSeries.getNumericValue(timeSeries.getLength() - 1));
 
         return new ModelingResult(forecast,
+                bestResult.getTimeSeries(),
                 bestResult.getParamValues(),
                 bestResult.getScore(),
                 bestResult.getTimeSeriesMethod());
@@ -105,6 +106,7 @@ public class MethodParamBruteForce {
                     results.add(executors.submit(() -> {
                         Model model = methodInstance.getModel(timeSeries, parametersValues);
                         return new ModelingResult(model.getTimeSeriesModel(),
+                                null,
                                 parametersValues,
                                 scoreMethod.getScore(tsValues, model.getTimeSeriesModel()),
                                 methodInstance);
diff --git a/src/main/java/ru/ulstu/service/UtilService.java b/src/main/java/ru/ulstu/service/UtilService.java
index 7351583..237d8bd 100644
--- a/src/main/java/ru/ulstu/service/UtilService.java
+++ b/src/main/java/ru/ulstu/service/UtilService.java
@@ -14,6 +14,7 @@ import ru.ulstu.datamodel.ts.TimeSeries;
 import ru.ulstu.datamodel.ts.TimeSeriesValue;
 
 import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -22,6 +23,7 @@ import java.util.stream.Collectors;
 @Service
 public class UtilService {
     private static final Logger LOGGER = LoggerFactory.getLogger(UtilService.class);
+    private static final String DELIMITER = ";";
 
     public TimeSeries getRandomTimeSeries(int length) {
         TimeSeries ts = new TimeSeries("Random time series");
@@ -38,6 +40,7 @@ public class UtilService {
                 .flatMap(v -> Arrays.stream(v.split(";")))
                 .flatMap(v -> Arrays.stream(v.split(",")))
                 .flatMap(v -> Arrays.stream(v.split("<br>")))
+                .flatMap(v -> Arrays.stream(v.split(" ")))
                 .filter(v -> {
                     try {
                         Double.parseDouble(v);
@@ -57,6 +60,38 @@ public class UtilService {
                 .getValues()
                 .stream()
                 .map(v -> v.getValue().toString().replace("\\.", ","))
-                .collect(Collectors.joining(";"));
+                .collect(Collectors.joining(DELIMITER));
+    }
+
+    public String getTimeSeriesToDateValueString(TimeSeries timeSeries) {
+        return timeSeries
+                .getValues()
+                .stream()
+                .map(v -> new StringBuilder(v.getDate().format(DateTimeFormatter.ISO_DATE_TIME))
+                        .append(DELIMITER)
+                        .append(v.getValue().toString().replace("\\.", ","))
+                        .toString())
+                .collect(Collectors.joining("\n"));
+    }
+
+    public TimeSeries getTimeSeriesFromDateValueString(String tsString) {
+        List<TimeSeriesValue> tsValues = Arrays.stream(tsString.split("\n"))
+                .map(row -> row.split(DELIMITER))
+                .filter(v -> {
+                    if (v.length > 1) {
+                        try {
+                            Double.parseDouble(v[1]);
+                            return true;
+                        } catch (NumberFormatException e) {
+                            return false;
+                        }
+                    }
+                    return false;
+                })
+                .map(v -> {
+                    return new TimeSeriesValue(LocalDateTime.parse(v[0], DateTimeFormatter.ISO_DATE_TIME), Double.parseDouble(v[1]));
+                })
+                .collect(Collectors.toList());
+        return new TimeSeries(tsValues);
     }
 }
diff --git a/src/main/resources/META-INF/resources/basicTemplate.xhtml b/src/main/resources/META-INF/resources/basicTemplate.xhtml
deleted file mode 100644
index 2d8d6d3..0000000
--- a/src/main/resources/META-INF/resources/basicTemplate.xhtml
+++ /dev/null
@@ -1,58 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  - Copyright (C) 2021 Anton Romanov - All Rights Reserved
-  - You may use, distribute and modify this code, please write to: romanov73@gmail.com.
-  -
-  -->
-
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml"
-      xmlns:h="http://java.sun.com/jsf/html"
-      xmlns:p="http://primefaces.org/ui"
-      xmlns:ui="http://xmlns.jcp.org/jsf/facelets">
-
-<h:head>
-    <title>Time series smoothing</title>
-    <meta name="viewport" content="width=device-width, initial-scale=1"/>
-    <h:outputStylesheet name="css/style.css"/>
-</h:head>
-
-<h:body>
-    <div class="ui-g">
-        <div class="ui-g-12">
-            <p:outputPanel>
-                <p:growl id="msgs" showDetail="true"/>
-                <a href="/index.xhtml">
-                    <img src="/img/logo.png" alt="" width="100"/>
-                </a>
-            </p:outputPanel>
-        </div>
-    </div>
-    <div class="ui-g">
-        <div class="ui-g-12">
-            <ui:insert name="content">Content</ui:insert>
-        </div>
-    </div>
-    <div class="ui-g">
-        <div class="ui-g-12">
-            <p:outputPanel>
-                <div class="ui-g">
-                    <div class="ui-g-12 ui-md-12 ui-lg-3">Ulyanovsk State Technical University</div>
-                    <div class="ui-g-6 ui-md-6 ui-lg-3">
-                        <h:outputLink
-                                value="http://ulstu.ru">ulstu.ru
-                        </h:outputLink>
-                    </div>
-                    <div class="ui-g-6 ui-md-6 ui-lg-3">
-                        <h:outputLink target="_blank"
-                                      value="/swagger-ui.html">api for developers
-                        </h:outputLink>
-                    </div>
-                    <div class="ui-g-6 ui-md-6 ui-lg-3">2020</div>
-                </div>
-            </p:outputPanel>
-        </div>
-    </div>
-</h:body>
-</html>
diff --git a/src/main/resources/META-INF/resources/css/style.css b/src/main/resources/META-INF/resources/css/style.css
deleted file mode 100644
index 8020cf6..0000000
--- a/src/main/resources/META-INF/resources/css/style.css
+++ /dev/null
@@ -1,7 +0,0 @@
-.ui-picklist-list-wrapper {
-    width: 50% !important;
-}
-
-.ui-picklist-list {
-    width: 100% !important;
-}
diff --git a/src/main/resources/META-INF/resources/img/logo.jpg b/src/main/resources/META-INF/resources/img/logo.jpg
deleted file mode 100644
index 70e19f3..0000000
Binary files a/src/main/resources/META-INF/resources/img/logo.jpg and /dev/null differ
diff --git a/src/main/resources/META-INF/resources/img/logo.png b/src/main/resources/META-INF/resources/img/logo.png
deleted file mode 100644
index e786fc5..0000000
Binary files a/src/main/resources/META-INF/resources/img/logo.png and /dev/null differ
diff --git a/src/main/resources/META-INF/resources/index.xhtml b/src/main/resources/META-INF/resources/index.xhtml
deleted file mode 100644
index 371ddea..0000000
--- a/src/main/resources/META-INF/resources/index.xhtml
+++ /dev/null
@@ -1,29 +0,0 @@
-<!DOCTYPE html>
-
-<html xmlns="http://www.w3.org/1999/xhtml"
-      xmlns:ui="http://xmlns.jcp.org/jsf/facelets"
-      xmlns:p="http://primefaces.org/ui"
-      xmlns:h="http://java.sun.com/jsf/html">
-<ui:composition template="/basicTemplate.xhtml">
-    <ui:define name="content">
-        <h:form>
-            <div class="ui-g">
-                <div class="ui-g-12 ui-md-12 ui-lg-12">
-                    <p:inputTextarea id="timeSeriesString" style="height:200px; width:100%;"
-                                     placeholder="Paste time series here"
-                                     autoResize="false" value="#{indexView.timeSeriesString}">
-                        <p:ajax event="change" update="chart"/>
-                        <p:ajax event="keypress" update="chart"/>
-                    </p:inputTextarea>
-                    <p:commandButton value="Refresh" update="chart" process="timeSeriesString"/>
-                </div>
-            </div>
-            <div class="ui-g">
-                <div class="ui-g-12 ui-md-12 ui-lg-12">
-                    <p:chart id="chart" type="line" model="#{indexView.model}" style="height:300px;"/>
-                </div>
-            </div>
-        </h:form>
-    </ui:define>
-</ui:composition>
-</html>
\ No newline at end of file
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 8d0c45f..125dbda 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -1,6 +1,13 @@
+#
+# Copyright (C) 2021 Anton Romanov - All Rights Reserved
+# You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+#
+#
+
 spring.main.banner-mode=off
 logging.level.tech.athene=DEBUG
 server.port=8080
 spring.jackson.serialization.WRITE_DATES_AS_TIMESTAMPS=false
 joinfaces.primefaces.theme=afterwork
-joinfaces.primefaces.font-awesome=true
\ No newline at end of file
+joinfaces.primefaces.font-awesome=true
+time-series.db-path=time-series-db
\ No newline at end of file
diff --git a/src/main/resources/messages.properties b/src/main/resources/messages.properties
new file mode 100644
index 0000000..6ada86a
--- /dev/null
+++ b/src/main/resources/messages.properties
@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2021 Anton Romanov - All Rights Reserved
+# You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+#
+#
+messages.app-name=Time Series Smoothing
+messages.menu.home=Main
\ No newline at end of file
diff --git a/src/main/resources/messages_en.properties b/src/main/resources/messages_en.properties
new file mode 100644
index 0000000..6ada86a
--- /dev/null
+++ b/src/main/resources/messages_en.properties
@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2021 Anton Romanov - All Rights Reserved
+# You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+#
+#
+messages.app-name=Time Series Smoothing
+messages.menu.home=Main
\ No newline at end of file
diff --git a/src/main/resources/messages_ru.properties b/src/main/resources/messages_ru.properties
new file mode 100644
index 0000000..53783c6
--- /dev/null
+++ b/src/main/resources/messages_ru.properties
@@ -0,0 +1,7 @@
+#
+# Copyright (C) 2021 Anton Romanov - All Rights Reserved
+# You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+#
+#
+messages.app-name=Time Series Smoothing
+messages.menu.home=На главную
\ No newline at end of file
diff --git a/src/main/resources/templates/default.html b/src/main/resources/templates/default.html
new file mode 100644
index 0000000..adbe607
--- /dev/null
+++ b/src/main/resources/templates/default.html
@@ -0,0 +1,57 @@
+<!--
+  ~ Copyright (C) 2021 Anton Romanov - All Rights Reserved
+  ~ You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+  ~
+  -->
+
+<!DOCTYPE html>
+<html lang="ru"
+      xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" xmlns:th="http://www.w3.org/1999/xhtml">
+<head>
+    <meta charset="UTF-8"/>
+    <title th:text="#{messages.app-name}">app-name</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1"/>
+    <script type="text/javascript" src="/webjars/jquery/3.6.0/jquery.min.js"></script>
+    <script type="text/javascript" src="/webjars/bootstrap/4.6.0/js/bootstrap.bundle.min.js"></script>
+    <script type="text/javascript" src="/webjars/bootstrap-select/1.13.8/js/bootstrap-select.min.js"></script>
+    <link rel="stylesheet" href="/webjars/bootstrap/4.6.0/css/bootstrap.min.css"/>
+    <link rel="stylesheet" href="/webjars/bootstrap-select/1.13.8/css/bootstrap-select.min.css"/>
+    <link rel="stylesheet" href="/webjars/font-awesome/4.7.0/css/font-awesome.min.css"/>
+</head>
+<body>
+<nav class="navbar navbar-light bg-light">
+    <a class="navbar-brand" href="/">
+        <img src="img/logo.png" width="180" height="60" alt="">
+    </a>
+</nav>
+<div class="wrapper">
+    <div id="sidebar" class="collapse navbar-collapse sidebar-mobile">
+        <ul id="menu" class="list-unstyled">
+        </ul>
+    </div>
+
+    <div id="content">
+        <div id="breadcrumbs" class="container-fluid">
+        </div>
+        <div class="container-fluid">
+            <ul id="messages" class="feedback-panel">
+                <div class="alert alert-danger" role="alert" th:if="${error}" th:text="${error}">
+                </div>
+            </ul>
+        </div>
+        <div layout:fragment="content">
+        </div>
+    </div>
+    <div class="row">
+        <div class="col-sm-6 col-md-3 ui-lg-3">Ulyanovsk State Technical University</div>
+        <div class="col-sm-6 col-md-3 col-lg-3">
+            <a href="http://ulstu.ru">ulstu.ru</a>
+        </div>
+        <div class="col-sm-6 col-md-3 col-lg-3">
+            <a target="_blank" href="/swagger-ui.html">api for developers</a>
+        </div>
+        <div class="col-sm-6 col-md-3 col-lg-3">2020</div>
+    </div>
+</div>
+</body>
+</html>
\ No newline at end of file
diff --git a/src/main/resources/templates/index.html b/src/main/resources/templates/index.html
new file mode 100644
index 0000000..b69de47
--- /dev/null
+++ b/src/main/resources/templates/index.html
@@ -0,0 +1,135 @@
+<!--
+  ~ Copyright (C) 2021 Anton Romanov - All Rights Reserved
+  ~ You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+  ~
+  -->
+
+<!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-spring4-4.dtd">
+<html
+        xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout" xmlns:th="http://www.w3.org/1999/xhtml"
+        layout:decorate="~{default}">
+<head>
+    <title>Time series smoothing</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1"/>
+</head>
+<div class="container" layout:fragment="content">
+    <script src="/webjars/highcharts/7.0.0/highcharts.js"></script>
+    <script th:inline="javascript" th:if="${timeSeries != null}">
+        $(document).ready(function () {
+            var title = {
+                text: 'Прогноз временного ряда'
+            };
+            var xAxis = {
+                categories: [[${dates}]],
+                title: {
+                    enabled: true,
+                    text: 'Дата'
+                },
+                startOnTick: true,
+                endOnTick: true,
+                showLastLabel: true
+            };
+            var yAxis = {
+                title: {
+                    text: 'Уровень'
+                }
+            };
+            var plotOptions = {
+                scatter: {
+                    marker: {
+                        radius: 5,
+                        states: {
+                            hover: {
+                                enabled: true,
+                                lineColor: 'rgb(100,100,100)'
+                            }
+                        }
+                    },
+                    states: {
+                        hover: {
+                            marker: {
+                                enabled: true
+                            }
+                        }
+                    },
+                    tooltip: {
+                        headerFormat: '<b>{series.name}</b><br>',
+                        pointFormat: '{point.y}'
+                    }
+                }
+            };
+            var series = [
+                {
+                    name: 'Временной ряд',
+                    color: 'rgba(119,152,191,0.5)',
+                    data: [[${timeSeries}]]
+                },
+                {
+                    name: 'Модель',
+                    color: 'rgba(255,200,0,0.5)',
+                    data: [[${model}]]
+                },
+                {
+                    name: 'Тестовый прогноз',
+                    color: 'rgba(255,0,0,0.5)',
+                    data: [[${testForecast}]]
+                },
+                {
+                    name: 'Прогноз',
+                    color: 'rgba(255,0,0,0.5)',
+                    data: [[${forecast}]]
+                }
+            ];
+
+            var json = {};
+            json.title = title;
+            json.xAxis = xAxis;
+            json.yAxis = yAxis;
+            json.series = series;
+            json.plotOptions = plotOptions;
+            $('#chart').highcharts(json);
+        });
+
+
+
+    </script>
+    <form action="#" th:action="chart" th:object="${chartForm}">
+        <div class="row">
+            <div class="col-3">
+                <select id="select-set" class="selectpicker" data-live-search="true" th:field="*{set}"
+                        data-width="90%" onchange="$('#select-ts').val(''); form.submit();">
+                    <option value="">Набор временных рядов</option>
+                    <option th:each="set : ${sets}"
+                            th:value="${set.key}"
+                            th:utext="${set.key}">
+                    </option>
+                </select>
+                <script th:inline="javascript" th:if="*{set != null}">
+                    $('#select-set').val([[*{set.key}]]);
+                    $('#select-set').selectpicker('refresh');
+
+                </script>
+
+                <select id="select-ts" class="selectpicker" data-live-search="true" th:field="*{timeSeriesMeta}"
+                        data-width="90%" onchange="form.submit();">
+                    <option value="">Временной ряд</option>
+                    <option th:each="ts : ${listTimeSeries}"
+                            th:value="${ts.key}"
+                            th:utext="${ts.key}">
+                    </option>
+                </select>
+                <script th:inline="javascript" th:if="*{timeSeriesMeta != null}">
+                    $('#select-ts').val([[*{timeSeriesMeta.key}]]);
+                    $('#select-ts').selectpicker('refresh');
+
+                </script>
+                <p> Метод прогнозирования: <span th:text="${forecastDescription.timeSeriesMethod}"> </span>
+                <p> Оценка: <span th:text="${forecastDescription.score.value}"> </span>
+            </div>
+            <div class="col-9">
+                <div id="chart" style="width: 550px; height: 400px; margin: 0 auto"></div>
+            </div>
+        </div>
+    </form>
+</div>
+</html>
diff --git a/time-series-db/NN3/101.csv b/time-series-db/NN3/101.csv
new file mode 100644
index 0000000..f79e4f8
--- /dev/null
+++ b/time-series-db/NN3/101.csv
@@ -0,0 +1,126 @@
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\ No newline at end of file
diff --git a/time-series-db/NN3/101.csv.meta b/time-series-db/NN3/101.csv.meta
new file mode 100644
index 0000000..d73a8de
--- /dev/null
+++ b/time-series-db/NN3/101.csv.meta
@@ -0,0 +1 @@
+{"key":"101","size":126,"hasDateTime":false}
\ No newline at end of file
diff --git a/time-series-db/NN3/102.csv b/time-series-db/NN3/102.csv
new file mode 100644
index 0000000..d33af04
--- /dev/null
+++ b/time-series-db/NN3/102.csv
@@ -0,0 +1,126 @@
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diff --git a/time-series-db/NN3/103.csv b/time-series-db/NN3/103.csv
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diff --git a/time-series-db/NN3/105.csv.meta b/time-series-db/NN3/105.csv.meta
new file mode 100644
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diff --git a/time-series-db/NN3/106.csv b/time-series-db/NN3/106.csv
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diff --git a/time-series-db/NN3/106.csv.meta b/time-series-db/NN3/106.csv.meta
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diff --git a/time-series-db/NN3/107.csv.meta b/time-series-db/NN3/107.csv.meta
new file mode 100644
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diff --git a/time-series-db/NN3/108.csv b/time-series-db/NN3/108.csv
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diff --git a/time-series-db/NN3/108.csv.meta b/time-series-db/NN3/108.csv.meta
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diff --git a/time-series-db/NN3/109.csv b/time-series-db/NN3/109.csv
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diff --git a/time-series-db/NN3/110.csv.meta b/time-series-db/NN3/110.csv.meta
new file mode 100644
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diff --git a/time-series-db/NN3/111.csv b/time-series-db/NN3/111.csv
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diff --git a/time-series-db/NN3/111.csv.meta b/time-series-db/NN3/111.csv.meta
new file mode 100644
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diff --git a/time-series-db/qqq/111.csv.meta b/time-series-db/qqq/111.csv.meta
new file mode 100644
index 0000000..6b79b7b
--- /dev/null
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\ No newline at end of file
diff --git a/time-series-db/qqq/1112.csv b/time-series-db/qqq/1112.csv
new file mode 100644
index 0000000..fe11bc3
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diff --git a/time-series-db/qqq/1112.csv.meta b/time-series-db/qqq/1112.csv.meta
new file mode 100644
index 0000000..0a950de
--- /dev/null
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