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Hernandez, Marco A. – ProQuest LLC, 2013
PubMed® is an on-line literature database hosted by the U.S. National Library of Medicine. Containing over 21 million citations for biomedical literature--both abstracts and full text--in the areas of the life sciences, behavioral studies, chemistry, and bioengineering, PubMed® represents an important tool for researchers. PubMed® searches return…
Descriptors: Databases, Online Searching, Search Strategies, Electronic Publishing
Brown, Mary E. – Proceedings of the ASIS Annual Meeting, 1991
Addresses foundations of designing a bibliographic database for casual end-users, including the representation of knowledge, hierarchical schemata, cognitive processing of search problems, basic level categories of knowledge, and Boolean strategy in online searching. A hierarchical-based query model, data-item model, and idealized data model for…
Descriptors: Bibliographic Databases, Cognitive Processes, Database Design, Literature Reviews
Peer reviewed Peer reviewed
Jacso, Peter – Annual Review of Information Science and Technology (ARIST), 1997
Reviews the literature on the content aspects of database quality, specifically scope, composition, currency, accuracy, consistency, completeness, and source, journal, geographic, language, and time-period coverage. These criteria can be evaluated qualitatively and/or quantitatively to determine the profile of a database, and to ascertain search…
Descriptors: Computer System Design, Database Design, Databases, Evaluation Criteria
Peer reviewed Peer reviewed
Paris, C. Gregory – Annual Review of Information Science and Technology (ARIST), 1997
Organized from the viewpoint of information retrieval theory, this review addresses issues of chemical information representation, comparison and matching, and retrieval strategies. Additional topics include similarity and clustering, visualization, and molecular diversity. Trends in research and application are identified, and gaps in the…
Descriptors: Chemistry, Computer Oriented Programs, Computer Software, Database Design