A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf
.
A Day in the Life of PubMed: Analysis of a Typical Day's Query Log
2007
JAMIA Journal of the American Medical Informatics Association
A b s t r a c t Objective: To characterize PubMed usage over a typical day and compare it to previous studies of user behavior on Web search engines. Design: We performed a lexical and semantic analysis of 2,689,166 queries issued on PubMed over 24 consecutive hours on a typical day. Measurements: We measured the number of queries, number of distinct users, queries per user, terms per query, common terms, Boolean operator use, common phrases, result set size, MeSH categories, used semantic
doi:10.1197/jamia.m2191
pmid:17213501
pmcid:PMC2213463
fatcat:bwa2d63d75f27f3laqjpiidobq