Construct · 1 fields · 1 citations

2-Poisson model: a standalone construct

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2-Poissonmodel1 CONSTRUCT2-Poisson modelHARTER · INFORMATION RETRIEVAL

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Information retrieval

the model that a content-bearing term's frequency across documents follows a mixture of two Poisson distributions, one for documents about the concept and one for others.

In information retrieval, 2-Poisson model refers to the model that a content-bearing term's frequency across documents follows a mixture of two Poisson distributions, one for documents about the concept and one for others. This meaning comes from Harter (1975) in Journal of the American Society for Information Science.[1]

Unit
Recovery means
Measured by

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Nearby constructs

frequency4 fields · 7 citationsjingle · one word, four constructsinformation4 fields · 5 citationsjingle · one word, four constructsmixture2 fields · 2 citationsjingle · one word, two constructs

References

  1. Harter, S. P. (1975). A probabilistic approach to automatic keyword indexing. Part I. On the Distribution of Specialty Words in a Technical Literature. Journal of the American Society for Information Science, 26(4), 197-206. https://doi.org/10.1002/asi.4630260402

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