A new method for automatic indexing and retrieval is described. The approach is to take advantage of implicit higher-order structure in the association of terms with documents in order to improve the detection of relevant documents on the basis of terms found in queries. Inductive Learning Algorithms and Representations for Text Categorization . Susan Dumais and et al. The effectiveness of five different automatic learning algorithms for text categorization in terms of learning speed, real-time classification speed, and classification accuracy is compared.
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Nicholas J. Belkin and W. Bruce Croft. This article compares and contrasts the differences between information filtering and information retrieval. Information filtering removes data from incoming information streams based on user preferences, in contrast with information retrieval in which the system attempts to extract the most relevant items for a given query. A System for Inducing and Visualizing Hierarchy in Websites . David Durand and Paul Kahn.