Definition
Plain language
A large searchable database of academic papers, often used by AI agents to check citations.
As stated in the literature
An academic literature search service with an API for retrieving paper metadata and citations; used by research agents for grounding and citation verification.
Why it matters: It gives research agents a way to ground claims and check citations against a real database rather than relying on memory.
For example, an agent can query it to pull up a paper's details and confirm that a citation it wants to use really exists.
Heard on the show
“Stage two: check each reference against six big bibliographic catalogs — Semantic Scholar, OpenAlex, CrossRef, DBLP, the ACL Anthology, and direct identifier lookups like DOIs and arXiv.”Episode 201 — One in Four NeurIPS Papers Cites a Reference That Doesn't Exist