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Information Retrieval as Statistical Translation

Berger, Adam, Lafferty, John·2017·ACM SIGIR Forum

Abstract

We propose a new probabilistic approach to information retrieval based upon the ideas and methods of statistical machine translation. The central ingredient in this approach is a statistical model of how a user might distill or "translate" a given document into a query. To assess the relevance of a document to a user's query, we estimate the probability that the query would have been generated as a translation of the document, and factor in the user's general preferences in the form of a prior distribution over documents. We propose a simple, well motivated model of the document-to-query translation process, and describe an algorithm for learning the parameters of this model in an unsupervised manner from a collection of documents. As we show, one can view this approach as a generalization and justification of the "language modeling" strategy recently proposed by Ponte and Croft. In a series of experiments on TREC data, a simple translation-based retrieval system performs well in comparison to conventional retrieval techniques. This prototype system only begins to tap the full potential of translation-based retrieval.

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Metadata

Authors
Berger, A., & Lafferty, J.
Venue
ACM SIGIR Forum
Published
2017-08-02
Volume
51
Issue
2
Pages
219-226
ISSN
0163-5840 (ISSN-L)
OpenAlex
W2062270497
Cited by
621
References
14
FWCI
43.30
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Information Retrieval as Statistical Translation. https://app.cochat.ai/papers/10.1145/3130348.3130371
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Berger, A., & Lafferty, J. (2017). Information Retrieval as Statistical Translation. ACM SIGIR Forum. https://doi.org/10.1145/3130348.3130371

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.