Relational thesauri in information retrieval
Journal of the American Society for Information Science
Principles, procedures and rules in an expert system for information retrieval
Information Processing and Management: an International Journal
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
Knowledge-based search tactics for an intelligent intermediary system
ACM Transactions on Information Systems (TOIS)
A model of knowledge based information retrieval with hierarchical concept
Journal of Documentation
The new (1982) Computing Reviews classification system—final version
Communications of the ACM
Introduction to Modern Information Retrieval
Introduction to Modern Information Retrieval
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