id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
cord-102918-bkyk7or9	Burns, C. Sean	Methodological Issues with Search in MEDLINE: A Longitudinal Query Analysis	2020-05-22		.txt	text/plain	1414	89	51	This study compares the results of data collected from a longitudinal query analysis of the MEDLINE database hosted on multiple platforms that include PubMed, EBSCOHost, Ovid, ProQuest, and Web of Science in order to identify variations among the search results on the platforms after controlling for search query syntax. The variation is due to trends in scholarly publication that include publishing online first versus publishing in journal issues, which leads to metadata differences in the bibliographic record; to differences in the level of specificity among search fields provided by the platforms; to database integrity issues that lead to large fluctuations in monthly search results based on the same query; and to database currency issues that arise due to when each platform updates its MEDLINE file. Specific bibliographic databases, like PubMed and MEDLINE, are used to inform clinical decision-making, create systematic reviews, and construct knowledge bases for clinical decision support systems. Comparing the coverage, recall, and precision of searches for 120 systematic reviews in Embase, MEDLINE, and Google Scholar: a prospective study	./cache/cord-102918-bkyk7or9.txt	./txt/cord-102918-bkyk7or9.txt