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Direct linkWang, Mei; Sun, Guangwen; Chang, Yaping; Jin, Yanling; Leenus, Alvin; Maaz, Muhammad; Li, Guowei; Bhatt, Meha; Abbade, Luciana P. F.; Nwosu, Ikunna; Zielinski, Laura; Sanger, Nitika; Bantoto, Bianca; Luo, Candice; Shams, Ieta; Shahid, Hamnah; Adachi, Jonathan; Mbuagbaw, Lawrence; Levine, Mitchell; Samaan, Zainab; Thabane, Lehana – Research on Social Work Practice, 2018
Behavioral and social sciences randomized controlled trials (BSSTs) have a significant role in life sciences. Choosing an appropriate control or comparator group for BSSTs is critical, to provide true intervention effects. The objective of this study was to determine the types of control groups used in BSSTs, and the rationale provided to justify…
Descriptors: Randomized Controlled Trials, Databases, Behavioral Science Research, Social Science Research
Peer reviewedPrade, Henri; Testemale, Claudette – Journal of the American Society for Information Science, 1987
Compares and expands upon two approaches to dealing with fuzzy relational databases. The proposed similarity measure is based on a fuzzy Hausdorff distance and estimates the mismatch between two possibility distributions using a reduction process. The consequences of the reduction process on query evaluation are studied. (Author/EM)
Descriptors: Comparative Analysis, Databases, Information Retrieval, Mathematical Models
Haas, Stephanie W. – Proceedings of the ASIS Annual Meeting, 1991
Explains sublanguages in restricted domains in natural language processing and describes methods of comparing sublanguages through Case Hierarchy representation. Highlights include case grammar representations of natural language; case systems of sublanguages; sublanguage comparisons, including matching relationships and mapping relationships; and…
Descriptors: Case (Grammar), Comparative Analysis, Databases, Information Systems
Simon, Hans-Reiner; And Others – 1986
This two-part, general overview is designed to provide students of information science with a fresh look at the information market, especially database development. In the first part, it is noted that the generation of databases is most common in the United States at the present time, while West Germany plays a minor role. The need for West…
Descriptors: Business, Comparative Analysis, Databases, Foreign Countries
Gillaspie, Deborah L. – Proceedings of the ASIS Annual Meeting, 1992
Discusses a study in progress that is analyzing retrieval failures in two full-text computer-assisted legal research (CALR) systems, LEXIS and WESTLAW. Computer searching by experts is compared with manual searching by experts, examples are given, and a taxonomy of causes of retrieval failure is discussed. (13 references) (LRW)
Descriptors: Classification, Comparative Analysis, Full Text Databases, Online Searching
Download full textGrover, Burton L. – 1993
Meta analytic procedures recommended by various authorities were the subject of a literature review designed not to discuss the relative merits of contrasting recommendations, but to find what is actually in the literature. The sample reviewed included 89 articles published between 1986 and 1992, from 2 journals and 2 information databases. Meta…
Descriptors: Comparative Analysis, Databases, Effect Size, Literature Reviews
Cloud, Gayla Staples; Hambric, Jacqueline – 1987
This two-part study was designed (1) to determine differences in the costs of searching BRS After Dark (BRS AD) and Knowledge Index (KI) generally and across ten selected databases, and (2) to determine whether there is a difference in the citations retrieved when the same search is conducted on the same database in both systems. Study methodology…
Descriptors: Academic Libraries, Comparative Analysis, Costs, Databases
Peer reviewedCleverdon, Cyril – Information Services and Use, 1984
Discusses alternatives to the Boolean system that would enable users of online bibliographic databases--primarily those containing scientific and technical information--to obtain their required level of performance at lowest cost. Highlights include recall and precision factors (natural and controlled language, titles, abstracts, quorum function)…
Descriptors: Comparative Analysis, Databases, Information Retrieval, Online Systems
Battisti, Michele – 2000
This paper presents European perspectives on the future of copyright management. The first section is an overview of intellectual property rights in Europe, including differences between copyright countries and "droit d'auteur" countries. The second section addresses European Community legal policy, including examples related to the…
Descriptors: Comparative Analysis, Computer Software, Copyrights, Databases
Boser, Judith A.; And Others – 1996
The research on response facilitation factors in mail surveys is reviewed, and background is developed to enable the comparison of results obtained by two analytic approaches, a descriptive analysis and a meta-analysis, using the same set of studies. Specific criteria for sample and methodology were applied to studies extracted from four CD-ROM…
Descriptors: Comparative Analysis, Databases, Effect Size, Mail Surveys
Peer reviewedGrumbach, Stephane; Tahi, Fariza – Information Processing & Management, 1994
Analyzes the properties of genetic sequences that cause the failure of classical algorithms used for data compression. A lossless algorithm, which compresses the information contained in DNA and RNA sequences by detecting regularities such as palindromes, is presented. This algorithm combines substitutional and statistical methods and appears to…
Descriptors: Algorithms, Coding, Comparative Analysis, Databases
McKee, Anna Marie Keck; Williams, Janet – 1978
An analysis comparing semi-annual statistics of interlibrary loan transactions to online literature searches from July 1973 to December 1977 was conducted at the Carl Campbell Brigham Library, a social science research library serving professional staff members of the Educational Testing Service (ETS). A highly significant correlation was found…
Descriptors: Comparative Analysis, Correlation, Costs, Databases
Hastings, Samantha K. – Proceedings of the ASIS Annual Meeting, 1995
Describes the nature of intellectual access to digitized art images using qualitative methodologies based on a study at the University of Central Florida. Queries of art historians are analyzed and compared to retrieval parameters and image characteristics, and implications for database design are suggested. (Author/LRW)
Descriptors: Access to Information, Art History, Art Products, Comparative Analysis
Strukhoff, Roger – Electronic and Optical Publishing Review, 1987
Discusses the importance of user cordial interfaces to the successful marketing of optical data disk products, and describes features of several online systems. The topics discussed include full text searching, indexed searching, menu driven interfaces, natural language interfaces, computer graphics, and possible future developments. (CLB)
Descriptors: Comparative Analysis, Computer Graphics, Evaluation Criteria, Full Text Databases
Peer reviewedGraham, Peter S. – Library Resources and Technical Services, 1983
Discusses trends in computer technology and their use for library catalogs, noting the concept of bandwidth (describes quantity of information transmitted per given unit of time); computer hardware differences (micros, minis, maxis); distributed processing systems and databases; optical disk storage; networks; transmission media; and terminals.…
Descriptors: Comparative Analysis, Computer Science, Computer Storage Devices, Databases
