1 康耀红.现代情报检索理论.北京:科学技术文献出版社,1990.
2 康耀红 任志纯.现化情报检索理论研究的现状与发展趋势.情报学报,1990(4):310-315
3 Heaps H.S,Thiel L.H.Optimum Procedures for Economic Information Retrieval.Information Storage and Retrieval,1970,60,137-153
4 Heaps H.S.Criteria for Optimum Effectiveness of Information Retrieval System.Information and Control,1971,18,156-167
5 Segev Arie.Strategies for Distributed Query Optimization. Information Sciences,1991,54,67-88 |