Titlebook: Information Retrieval; Algorithms and Heuri David A. Grossman,Ophir Frieder Book 1998 Springer Science+Business Media New York 1998 algorit

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Distributed Information Retrieval,phical areas. Distributed Information Retrieval Systems (DIRS) provide access to data located in many different geographical areas on many different machines (see Figure 7.1). The search engines that exist on the World Wide Web (WWW) are examples of distributed information retrieval systems.

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The Text Retrieval Conference (TREC), is, in the traditional relational database domain all techniques result in perfect accuracy. Hence, the main concern, in terms of performance evaluation, is the overall system throughput and the individual query performance.

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