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Experiments on the Efficiency of Cluster Searches
(1991-03-01)
The efficiency of various cluster based retrieval (CBR) strategies is analyzed. The possibility of combining CBR and inverted index search (11s) is investigated. A method for combining the two approaches is proposed and ...
Experiments on Incremental Clustering
(1991-08-01)
Clustering of very large document databases is essential to reduce the spacehime complexity of information retrieval. The periodic updating of clusters is required due to the dynamic nature of databases. An algorithm for ...