NDLI: Evaluation of query expansion using MeSH in PubMed

Content Provider	Springer Nature Link
Author	Lu, Zhiyong Kim, Won Wilbur, W. John
Copyright Year	2008
Abstract	This paper investigates the effectiveness of using MeSH$^{®}$ in PubMed through its automatic query expansion process: Automatic Term Mapping (ATM). We run Boolean searches based on a collection of 55 topics and about 160,000 MEDLINE$^{®}$ citations used in the 2006 and 2007 TREC Genomics Tracks. For each topic, we first automatically construct a query by selecting keywords from the question. Next, each query is expanded by ATM, which assigns different search tags to terms in the query. Three search tags: [MeSH Terms], [Text Words], and [All Fields] are chosen to be studied after expansion because they all make use of the MeSH field of indexed MEDLINE citations. Furthermore, we characterize the two different mechanisms by which the MeSH field is used. Retrieval results using MeSH after expansion are compared to those solely based on the words in MEDLINE title and abstracts. The aggregate retrieval performance is assessed using both F-measure and mean rank precision. Experimental results suggest that query expansion using MeSH in PubMed can generally improve retrieval performance, but the improvement may not affect end PubMed users in realistic situations.
Starting Page	69
Ending Page	80
Page Count	12
File Format	PDF
ISSN	13864564
Journal	Information Retrieval
Volume Number	12
Issue Number	1
e-ISSN	15737659
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-10-29
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Query expansion TREC genomics PubMed MeSH Pattern Recognition Data Structures, Cryptology and Information Theory Information Storage and Retrieval Data Mining and Knowledge Discovery Document Preparation and Text Processing
Content Type	Text
Resource Type	Article
Subject	Library and Information Sciences Information Systems

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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