Communications of the ACM
SIGIR '79 Proceedings of the 2nd annual international ACM SIGIR conference on Information storage and retrieval: information implications into the eighties
Concept based retrieval in classical IR systems
SIGIR '88 Proceedings of the 11th annual international ACM SIGIR conference on Research and development in information retrieval
Integrated information retrieval in a knowledge worker support system
SIGIR '89 Proceedings of the 12th annual international ACM SIGIR conference on Research and development in information retrieval
Composite document extended retrieval: an overview
SIGIR '85 Proceedings of the 8th annual international ACM SIGIR conference on Research and development in information retrieval
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Research has shown that document retrieval based on weighting functions and incorporating relevance feedback may be more effective than retrieval based on Boolean combinations. These novel methods have not been adopted by the large operational systems. In this paper, a software implementation of an 'intelligent terminal' is described. It overcomes many of the objections to non-Boolean retrieval. It is linked to an operational database via EURONET, and includes such features as the weighting of search terms, the construction and submission of search statements in the Common Command Language of EURONET, and the use of relevance feedback information to improve retrieval.