Some simple effective approximations to the 2-Poisson model for probabilistic weighted retrieval

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Summary

The 2-Poisson model for term frequencies is used to suggest ways of incorporating certain variables in probabilistic models for information retrieval, and substantial performance improvements are demonstrated.

Type
article
Published
1994-08-01
Cited by
1,931
References
19

Keywords

Weighting, Simple (philosophy), Term (time), Poisson distribution, Computer science

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