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The calculation of web impact factors

Journal of Documentation (1998) 54 (2): 236–243.

https://doi.org/10.1108/EUM0000000007167

Published: 01 May 1998

... is assumed to constitute the workable frequency of web pages linking up to the web location in question. The logical operations are necessary to overcome the variations in retrieval outcome produced by the AltaVista search engine. © MCB UP Limited 1998 World Wide Web Boolean logic Information...

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Journal Articles

Duality in information retrieval and the hypergeometric distribution

Leo Egghe, Ronald Rousseau

Journal of Documentation (1997) 53 (5): 488–496.

https://doi.org/10.1108/EUM0000000007208

Published: 01 December 1997

... indexing, and relevant versus retrieved documents. These ideas are elaborated in this note and the connection with the hypergeometric distribution is highlighted. © MCB UP Limited 1997 Information retrieval Document management Boolean logic Journal of Documentation, Vol. 53, No. 5, December...