Page 104 Concepts and similar pages

Concepts

Similarity Concept
Top down search
Bottom up search
Document clustering
Cluster based retrieval
Document representative
Retrieval effectiveness
Cluster methods
Term clustering
Term
Relevance

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103 computing the intermediate dissimilarity coefficient,will need to make a choice of cluster representative ab initio ...Cluster based retrieval Cluster based retrieval has as its foundation the cluster hypothesis,which states that closely associated documents tend to be relevant to the same requests ...Suppose we have a hierarchic classification of documents then a simple search strategy goes as follows refer to Figure 5 ...