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Peer reviewedAtlam, El-Sayed; Fuketa, Masao; Morita, Kazuhiro; Aoe, Jun-ichi – Information Processing & Management, 2000
Discussion of natural language processing focuses on term weighting in information retrieval. Presents a new weighting method that depends on low frequency terms, called negative weighted inverse verb frequency, and discusses case frames, word similarity, similarity measurement, and recall and precision improvement. (LRW)
Descriptors: Information Retrieval, Mathematical Formulas, Measurement Techniques, Natural Language Processing
Peer reviewedLiu, Geoffrey Z. – Journal of the American Society for Information Science, 1997
Presents the Semantic Vector Space Model, a text representation and searching technique based on the combination of Vector Space Model with heuristic syntax parsing and distributed representation of semantic case structures. In this model, both documents and queries are represented as semantic matrices, and retrieval is achieved by computing…
Descriptors: Heuristics, Information Retrieval, Mathematical Formulas, Matrices
