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On the Run-Time Optimization of the Boolean Logic of a Program.
Peer reviewed Peer reviewed
Cadolino, C.; Guazzo, M. – Information Processing and Management, 1982
Considers problem of optimal scheduling of Boolean expression (each Boolean variable represents binary outcome of program module) on single-processor system. Optimization discussed consists of finding operand arrangement that minimizes average execution costs representing consumption of resources (elapsed time, main memory, number of…
Descriptors: Algorithms, Computer Programs, Cost Effectiveness, Information Retrieval
Ranking Large Document Collections by a State Space Search.
Peer reviewed Peer reviewed
Gordon, Michael D. – Information Processing and Management, 1991
Presents a theoretical rationale for employing a form of information retrieval algorithm that helps searchers better navigate through large document collections by continually revising probability estimates for document subsets. The algorithm avoids assumptions of index term independence and predicts relevance more accurately with increasing…
Descriptors: Algorithms, Feedback, Indexing, Information Needs
Relative Indexing. Weighted Descriptors and Relative Indexing in a Document Retrieval System Model.
Peer reviewed Peer reviewed
Choros, Kazimierz; Danilowicz, Czeslaw – Information Processing and Management, 1982
Discusses methods of weighting of descriptors in document search patterns together with the concept of relative indexing and conditions which should be satisfied by descriptor weight. A procedure for modifiying document search patterns based on users' informational needs and opinions is outlined, and examples are given. Sixteen references are…
Descriptors: Algorithms, Indexing, Information Retrieval, Information Seeking