The purpose of this study was to evaluate the credibility and timeliness of online business databases. The areas of evaluation were the currency, reliability, and extent of financial information in the databases. These were measured by performing an online search for financial information on five U.S. companies. The method of selection for the…

Discusses methods of evaluating commercial online databases and provides examples that illustrate their hidden dimensions. Topics addressed include size, including the number of records or the number of titles; the number of years covered; and the frequency of updates. Comparisons of Readers' Guide Abstracts and Magazine Article Summaries are…

Discusses full-text, online databases as a source for unowned documents. A test of the effectiveness of online document delivery services in meeting the needs of students and faculty at Stetson University (Florida) is described; and problems and alternative document delivery options are considered. (20 references) (KRN)

Describes a study of undergraduate students' search sessions on a full-text information retrieval system, NEXIS, that was conducted (1) to evaluate a novice user's ability to use such an information retrieval system, and (2) to analyze users' information seeking behavior. Sense-making theory and timeline interviews are discussed. (38 references)…

Discusses search engines on the World Wide Web and information retrieval from the Internet; describes categories and special features of Web-based databases and compares them with traditional databases; and presents a review of the literature on the testing and evaluation of Web-based search engines. (Author/LRW)

Describes a study that examined the use of a hypertext system by patrons of three museums. The results discussed include user preference for embedded menus over traditional indexes and user criteria for article selection. The discussion also covers appropriate approaches to analyzing usage data. (eight references) (CLB)

Addresses importance of online databases as part of library reference collection and focuses on bibliographic databases (ready reference, print versus online migration, bibliographic utilities); selection/evaluation of online databases (vendor selection, individual databases); full-text databases; numeric databases; end-user searching; and use of…

Describes the files contained in the Cystic Fibrosis (CF) database and discusses educational and research opportunities using this database. Topics discussed include queries, evaluating the relevance of items retrieved, and use of the database in an online searching course in the School of Information and Library Science at the University of North…

A comparison of the effectiveness of information retrieval based on full-text documents with retrieval based on paragraphs, abstracts, or controlled vocabularies was accomplished using a subset of journal articles with nine search questions. It was found that full-text retrieval achieved significantly higher recall and lower precision than did the…

Discusses an experiment with the "Thesaurus of ERIC Descriptors" which aimed to adapt established criteria for the evaluation of information retrieval systems to the assessment of searcher performance in online bibliographic searching. The concept of relevance is discussed, and the Cranfield paradigm for the evaluation of information…

This ERIC curriculum package is intended to help people use the ERIC database, and may be used in a workshop setting under the guidance of a trainer or independently by individuals who want to learn about the ERIC system and how they can search the database and use its contents and services. The package consists of the following parts: (1) a…

Discussion of online bibliographic database searches focuses on a software system, SORT-AID/SABRE, that ranks retrieved citations in terms of relevance. Results of a comprehensive user evaluation of the relevance ranking procedure to determine its effectiveness are presented, and implications for future work are suggested. (10 references) (LRW)

Discusses enduser searching of online databases and describes a study conducted at Ohio State University that compared two methods of assessing the success of enduser searches. Reasons for dissatisfaction are discussed, problems with online searches are examined, possible solutions are described, and further research is suggested. (20 references)…

This study examines the Online Computer Library Center's (OCLC's) CJK350 system with which one is able to input and retrieve Chinese, Japanese, and Korean bibliographic records containing both alphabetical and vernacular characters. In order to study the effectiveness of the system from the Chinese language users' point of view, a field test was…

An evaluation approach using the mathematical method of the Hasse diagram technique is applied on 20 environmental and chemical Internet resources. The data for this evaluation procedure are taken out of a metadatabase called DAIN (Metadatabase of Internet Resources for Environmental Chemicals) which is set up by the GSF Research Centre for…