Post on 29-Nov-2014
description
ISI 5121 Resource Discovery Presentation
Group 3:Elizabeth RossMeghan DunlapPeter Forestell
+21 Million Citations & Abstracts
BiomedicalLife sciences Behavioral sciences Chemical sciences Bioengineering
covering
Developed by the National Library of Medicine (NLM)
Medline
• NLM’s premiere bibliographic database, indexing over 19 million references to journal articles, over sixty years
• Journals are selected for indexing by the Literature Selection Technical Review Committee (LSTRC), an NIH-centered advisory board.
• The committee ensures representation by women and minorities, members from different regions across the US
• PubMed’s primary component
• MeSh : the indexing language used by the National Library of Medicine
• A controlled vocabulary developed by NLM, consisting of:
26, 142 descriptor terms177, 000 entry terms
• E.g. Vitamin “C” entry term for “Ascorbic Acid”
Associative Relationships
Demo
http://www.ncbi.nlm.nih.gov/pubmed
/
Strengths:
• Free
• Integrated with other search engines developed by the NLM
• Updated daily, links to journal articles, and also with information presented online in an early version before being published in journals
• An established authoritative database in the medical research community
•Provides accurate search results
• Accessible from mobile devices
Weaknesses:
• Other databases allow users to sort results by “most cited.” PubMed does not allow this
• Lack of citation analysis
• Inaccessible to the general user