Is it the Language Model in Language Modeling?
نویسنده
چکیده
With the objective of supporting a more precise formulation of this question, and the discussion of the relevant issues, we begin with a formal definition of “language model”. We then propose a description of what “the Language Modeling approach” can be thought to consist of, in the context of IR research; first with a strict interpretation in mind, and then with a more informal view. We conclude with a brief exposition of research into the role of variance reduction in IR recently begun at The MITRE Corporation.
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