diff --git a/src/main/java/ru/ulstu/extractor/model/AntecedentValue.java b/src/main/java/ru/ulstu/extractor/model/AntecedentValue.java
new file mode 100644
index 0000000..1ed3473
--- /dev/null
+++ b/src/main/java/ru/ulstu/extractor/model/AntecedentValue.java
@@ -0,0 +1,23 @@
+package ru.ulstu.extractor.model;
+
+import javax.persistence.Entity;
+
+@Entity
+public class AntecedentValue extends BaseEntity {
+    private String antecedentValue;
+
+    public AntecedentValue() {
+    }
+
+    public AntecedentValue(String antecedentValue) {
+        this.antecedentValue = antecedentValue;
+    }
+
+    public String getAntecedentValue() {
+        return antecedentValue;
+    }
+
+    public void setAntecedentValue(String antecedentValue) {
+        this.antecedentValue = antecedentValue;
+    }
+}
diff --git a/src/main/java/ru/ulstu/extractor/model/Rule.java b/src/main/java/ru/ulstu/extractor/model/Rule.java
new file mode 100644
index 0000000..699e621
--- /dev/null
+++ b/src/main/java/ru/ulstu/extractor/model/Rule.java
@@ -0,0 +1,73 @@
+package ru.ulstu.extractor.model;
+
+import javax.persistence.Entity;
+import javax.persistence.ManyToOne;
+
+@Entity
+public class Rule extends BaseEntity {
+    @ManyToOne
+    private AntecedentValue firstAntecedentValue;
+
+    @ManyToOne
+    private TimeSeries firstAntecedent;
+
+    @ManyToOne
+    private AntecedentValue secondAntecedentValue;
+
+    @ManyToOne
+    private TimeSeries secondAntecedent;
+
+    private String consequent;
+
+    public Rule() {
+    }
+
+    public Rule(Integer id, Integer version, AntecedentValue firstAntecedentValue, TimeSeries firstAntecedent, AntecedentValue secondAntecedentValue, TimeSeries secondAntecedent, String consequent) {
+        super(id, version);
+        this.firstAntecedentValue = firstAntecedentValue;
+        this.firstAntecedent = firstAntecedent;
+        this.secondAntecedentValue = secondAntecedentValue;
+        this.secondAntecedent = secondAntecedent;
+        this.consequent = consequent;
+    }
+
+    public AntecedentValue getFirstValue() {
+        return firstAntecedentValue;
+    }
+
+    public void setFirstValue(AntecedentValue firstAntecedentValue) {
+        this.firstAntecedentValue = firstAntecedentValue;
+    }
+
+    public TimeSeries getFirstAntecedent() {
+        return firstAntecedent;
+    }
+
+    public void setFirstAntecedent(TimeSeries firstAntecedent) {
+        this.firstAntecedent = firstAntecedent;
+    }
+
+    public AntecedentValue getSecondValue() {
+        return secondAntecedentValue;
+    }
+
+    public void setSecondValue(AntecedentValue secondAntecedentValue) {
+        this.secondAntecedentValue = secondAntecedentValue;
+    }
+
+    public TimeSeries getSecondAntecedent() {
+        return secondAntecedent;
+    }
+
+    public void setSecondAntecedent(TimeSeries secondAntecedent) {
+        this.secondAntecedent = secondAntecedent;
+    }
+
+    public String getConsequent() {
+        return consequent;
+    }
+
+    public void setConsequent(String consequent) {
+        this.consequent = consequent;
+    }
+}
diff --git a/src/main/resources/db/changelog-20221012_170000-schema.xml b/src/main/resources/db/changelog-20221012_170000-schema.xml
new file mode 100644
index 0000000..76ad715
--- /dev/null
+++ b/src/main/resources/db/changelog-20221012_170000-schema.xml
@@ -0,0 +1,47 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
+    <changeSet author="barmina" id="20221012-170000-1">
+        <createTable tableName="antecedent_value">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="version" type="integer"/>
+            <column name="antecedent_value" type="text">
+                <constraints nullable="false"/>
+            </column>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_antecedent_value" tableName="antecedent_value"/>
+        <createTable tableName="rule">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="version" type="integer"/>
+            <column name="first_antecedent_value_id" type="integer"/>
+            <column name="first_antecedent_id" type="integer"/>
+            <column name="second_antecedent_value_id" type="integer"/>
+            <column name="second_antecedent_id" type="integer"/>
+            <column name="consequent" type="text">
+                <constraints nullable="false"/>
+            </column>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_rule" tableName="rule"/>
+        <addForeignKeyConstraint baseTableName="rule" baseColumnNames="first_antecedent_value_id"
+                                 constraintName="fk_first_antecedent_value"
+                                 referencedTableName="antecedent_value"
+                                 referencedColumnNames="id"/>
+        <addForeignKeyConstraint baseTableName="rule" baseColumnNames="first_antecedent_id"
+                                 constraintName="fk_first_time_series"
+                                 referencedTableName="time_series"
+                                 referencedColumnNames="id"/>
+        <addForeignKeyConstraint baseTableName="rule" baseColumnNames="second_antecedent_value_id"
+                                 constraintName="fk_second_antecedent_value"
+                                 referencedTableName="antecedent_value"
+                                 referencedColumnNames="id"/>
+        <addForeignKeyConstraint baseTableName="rule" baseColumnNames="second_antecedent_id"
+                                 constraintName="fk_second_time_series"
+                                 referencedTableName="time_series"
+                                 referencedColumnNames="id"/>
+    </changeSet>
+</databaseChangeLog>
\ No newline at end of file
diff --git a/src/main/resources/db/changelog-master.xml b/src/main/resources/db/changelog-master.xml
index e2afa54..dfde9f7 100644
--- a/src/main/resources/db/changelog-master.xml
+++ b/src/main/resources/db/changelog-master.xml
@@ -14,4 +14,5 @@
     <include file="db/changelog-20210412_100000-schema.xml"/>
     <include file="db/changelog-20220422_120000-schema.xml"/>
     <include file="db/changelog-20220621_120000-schema.xml"/>
+    <include file="db/changelog-20221012_170000-schema.xml"/>
 </databaseChangeLog>