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Peer reviewedShaw, W. M., Jr. – Information Processing and Management, 1986
Empirical significance of document partitions is investigated as a function of index term-weight and similarity thresholds. Results show the same empirically preferred partitions can be detected by two independent strategies: an analysis of cluster-based retrieval analysis and an analysis of regularities in the underlying structure of the document…
Descriptors: Automatic Indexing, Graphs, Information Retrieval, Relevance (Information Retrieval)
Peer reviewedHoffmann, Eliahu – Information Processing and Management, 1982
This analysis of information contents of documents (i.e., network of nodes which represent facts reported therein and their conceptual interconnections) yields a method for quantitative measurement of such content. Basic premises, calculation, salient features of the method, and information theories are discussed. Four references, graphic…
Descriptors: Content Analysis, Data, Equations (Mathematics), Graphs
Peer reviewedColl, Joan H.; Coll, Richard – Information Processing and Management, 1993
Describes and organizes the variables affecting display presentation format (i.e., tables and graphs) in information systems into a classification scheme and creates a framework for research in this area. Two-factor studies are discussed; research recommendations are presented; and Cognitive Match Interface Design is explained. (Contains 31…
Descriptors: Classification, Display Aids, Graphs, Information Systems
Peer reviewedCurtis, B.; And Others – Information Processing and Management, 1984
Discusses current use of psychological theory in software science and reviews recent developments in cognitive psychology relevant to programing (human information processing, expert-novice differences). Critique of Maurice Halstead's model of cognitive aspects of programing and a structured data flow perspective (control flow and data flow…
Descriptors: Cognitive Processes, Computer Software, Graphs, Models
Peer reviewedZamora, E. M.; And Others – Information Processing and Management, 1981
Describes work performed under the Spelling Error Detection Correction Project (SPEEDCOP) at Chemical Abstracts Service to devise effective automatic methods of detecting and correcting misspellings in scholarly and scientific text. The trigram analysis technique developed determined sites but not types of errors. Thirteen references are listed.…
Descriptors: Automation, Computer Programs, Costs, Databases
Peer reviewedSmith, F. J.; Devine, K. – Information Processing and Management, 1985
Zipfian laws for frequency distributions of word pairs and longer phrases are derived from text sample analysis. From crossing of Zipfian curves, it is deduced that number of multi-word phrases that occur frequently in text is surprisingly small, of same order of magnitude as number of individual word-types. (8 references) (EJS)
Descriptors: Algorithms, Graphs, Indexing, Information Retrieval
