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An Evaluation of Feedback in Document Retrieval Using Co-Occurrence Data.
Peer reviewed Peer reviewed
Harper, D. J.: Van Rijsbergen, C. J. – Journal of Documentation, 1978
Reports experiments with a term weighting model incorporating relevance information in which it is assumed that index terms are distributed dependently. It is argued that, if high recall searches are required, relevance feedback based on the modified dependence model may be superior to the Boolean search. (Author/VT)
Descriptors: Evaluation, Feedback, Information Retrieval, Library Research
Intelligent Information Retrieval Using Rough Set Approximations.
Peer reviewed Peer reviewed
Srinivasan, Padmini – Information Processing and Management, 1989
Describes rough sets theory and discusses the advantages it offers for information retrieval, including the implicit inclusion of Boolean logic, term weighting, ranked retrieval output, and relevance feedback. Rough set formalism is compared to Boolean, vector, and fuzzy models of information retrieval and a small scale evaluation of rough sets is…
Descriptors: Comparative Analysis, Feedback, Formative Evaluation, Information Retrieval
An Information System for Decision Support in National Information Policy-Making and Planning.
Peer reviewed Peer reviewed
Menou, Michael J. – Information Processing and Management, 1985
Describes information system being developed by Unesco's General Information Program and Brazilian Institute for Information Science and Technology to overcome lack of timely, relevant data to support national information decision making. Principles and examples of practical applications of the system are presented. Prospects and requirements for…
Descriptors: Decision Making, Developing Nations, Factor Analysis, Information Systems
An Expert System for Evaluating Exams: A Case Study.
Peer reviewed Peer reviewed
Ben-David, Arie; Ben-Shalom, Uri – Journal of Research on Computing in Education, 1994
Describes an expert system designed to simplify evaluation of teacher-authored high school matriculation examination forms for official recognition. Because conventional knowledge-engineering methods were inadequate, a learning-by-example model called the Ordinal Learning Model was utilized. Responses from the system's users during a two-year beta…
Descriptors: Classification, Computer Assisted Testing, Decision Making, Evaluation Methods
Design, Assessment, and Recommendations for Reporting Education Program Research and Development Costs and for Estimating Service Delivery Costs of Program Adopters.
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Cline, Charles H. – 1974
The study discusses the problem of reporting program development costs and estimating service delivery cost. One adequate system is described. Based on field investigations, that system is compared with those of the National Institute of Education (NIE) career education projects. Chapter two contains a discussion of cost related concepts and…
Descriptors: Career Education, Cost Effectiveness, Cost Estimates, Costs
A Model for Vocational Education Program Development in Entrepreneurship. Evaluation Report.
Andrew, Dean C. – 1978
The overall purpose of this project was to expand the vocational education curriculum to provide adults with entrepreneurial competencies which will facilitate self-employment. More specifically, the project goals were to (1) develop and implement modules of instruction in entrepreneurship for adults in self-employment and potential entrepreneurs;…
Descriptors: Adult Education, Adult Educators, Business Administration, Business Education