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Algorithms | 1 |
Databases | 1 |
Documentation | 1 |
Foreign Countries | 1 |
Information Retrieval | 1 |
Medical Research | 1 |
Online Searching | 1 |
Subject Index Terms | 1 |
Thesauri | 1 |
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Journal of Documentation | 1 |
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Rada, Roy | 1 |
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Journal Articles | 1 |
Reports - Research | 1 |
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Rada, Roy; And Others – Journal of Documentation, 1991
Describes a study funded by the Commission of the European Community that applied document retrieval algorithms to the "Excerpta Medica" database using the EMTREE thesaurus. Nonhierarchical relations were added to enrich the thesaurus, and document ranking is discussed in terms of the conceptual distance between the documents and the…
Descriptors: Algorithms, Databases, Documentation, Foreign Countries