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Jakobsson, Matti – Journal of the American Society for Information Science, 1988
Presents a model and experimental results of a new one-phase technique for compression text files that is a modification of the Ziv and Lempel compression scheme. The description includes the use of a subword dictionary that is periodically reorganized based on information theory and structural linguistics principles. (29 references) (Author/CLB)
Descriptors: Algorithms, Computer Storage Devices, Dictionaries, Information Theory
Peer reviewed Peer reviewed
Losee, Robert – Journal of the American Society for Information Science, 1987
Presents a coordination level matching algorithm to be used in document retrieval systems that incorporate relevance feedback strategies. It is argued that this algorithm may eliminate the need for the frequent reevaluation of documents that is currently found in such systems, and conditions under which reranking is unnecessary are given.…
Descriptors: Algorithms, Estimation (Mathematics), Evaluation Criteria, Feedback