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- W2075446774 abstract "Abstract This paper reviews some aspects of the relationship between the large and growing fields of machine learning (ML) and information retrieval (IR). Learning programs are described along several dimensions. One dimension refers to the degree of dependence of an ML + IR program on users, thesauri, or documents. This paper emphasizes the role of the thesaurus in ML + IR work. ML + IR programs are also classified in a dimension that extends from knowledge-sparse learning at one end to knowledge-rich learning at the other. Knowledge-sparse learning depends largely on user yes-no feedback or on word frequencies across documents to guide adjustments in the IR system. Knowledge-rich learning depends on more complex sources of feedback, such as the structure within a document or thesaurus, to direct changes in the knowledge bases on which an intelligent IR system depends. New advances in computer hardware make the knowledge-sparse learning programs that depend on word occurrences in documents more practical. Advances in artificial intelligence bode well for knowledge-rich learning." @default.
- W2075446774 created "2016-06-24" @default.
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- W2075446774 date "1987-01-01" @default.
- W2075446774 modified "2023-09-24" @default.
- W2075446774 title "Knowledge-sparse and knowledge-rich learning in information retrieval" @default.
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- W2075446774 doi "https://doi.org/10.1016/0306-4573(87)90004-5" @default.
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