This is BibTeX, Version 0.99d (TeX Live 2022)
Capacity: max_strings=200000, hash_size=200000, hash_prime=170003
The top-level auxiliary file: samplepaper.aux
The style file: splncs04.bst
Database file #1: samplepaper.bib
Warning--I didn't find a database entry for "Reviewer-Recommender"
Warning--I didn't find a database entry for "ref_lncs1"
Warning--I didn't find a database entry for "ref_book1"
Warning--I didn't find a database entry for "ref_proc1"
Warning--I didn't find a database entry for "ref_url1"
Warning--I didn't find a database entry for "ref_article1"
You've used 7 entries,
            2850 wiz_defined-function locations,
            643 strings with 6417 characters,
and the built_in function-call counts, 5015 in all, are:
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swap$ -- 231
text.length$ -- 8
text.prefix$ -- 0
top$ -- 0
type$ -- 28
warning$ -- 0
while$ -- 42
width$ -- 8
write$ -- 79
(There were 6 warnings)