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Wolfram, Dietmar; Xie, Hong (Iris) – Information Processing & Management, 2002
Discusses the emergence of general audience digital libraries (GADLs), a context that represents a hybrid of both traditional information retrieval, using primarily bibliographic resources provided by database vendors, and popular information retrieval such as public search systems on the Web. Reports findings of a study investigating end-user…
Descriptors: Bibliographic Databases, Electronic Libraries, Information Retrieval, Search Engines
Wolfram, Dietmar – Microcomputers for Information Management, 1992
Outlines the file structure requirements for a microcomputer-based information retrieval system using FoxPro, a relational database management system (DBMS). Issues relating to the design and implementation of such systems are discussed, and two possible designs are examined in terms of space economy and practicality of implementation. (15…
Descriptors: Bibliographic Databases, Computer System Design, Database Management Systems, Information Retrieval
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Wolfram, Dietmar; Dimitroff, Alexandra – Information Processing & Management, 1998
Describes a study that compared a hypertext-based bibliographic retrieval system with a traditional Boolean-based system. Results, conducted with novice and experienced searchers, revealed that the Boolean system performed better for tasks with a large number of relevant items, and that searcher experience level did not play a significant role.…
Descriptors: Analysis of Variance, Bibliographic Databases, Comparative Analysis, Hypermedia