Nicolas Fiorini “The relevance search in PubMed”
“The relevance search in PubMed”
PubMed is a free search engine for the biomedical literature accessed by millions of users from around the world each day. With the rapid growth of biomedical literature, finding and retrieving the most relevant papers for a given query is increasingly challenging. I will introduce Best Match, the new relevance search algorithm for PubMed that leverages click logs and learning-to-rank. The Best Match algorithm is trained with past user searches with dozens of relevance ranking signals (factors), the most important being the past usage of an article, publication date, BM25 score, and the type of article. This new algorithm demonstrated state-of-the-art retrieval performance in benchmarking experiments as well as an improved user experience in real-world testing.
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