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A Markov random field model for term dependencies

Metzler, Donald, Croft, W. Bruce·2005·Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval

Abstract

This paper develops a general, formal framework for modeling term dependencies via Markov random fields. The model allows for arbitrary text features to be incorporated as evidence. In particular, we make use of features based on occurrences of single terms, ordered phrases, and unordered phrases. We explore full independence, sequential dependence, and full dependence variants of the model. A novel approach is developed to train the model that directly maximizes the mean average precision rather than maximizing the likelihood of the training data. Ad hoc retrieval experiments are presented on several newswire and web collections, including the GOV2 collection used at the TREC 2004 Terabyte Track. The results show significant improvements are possible by modeling dependencies, especially on the larger web collections.

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Metadata

Authors
Metzler, D., & Croft, W. B.
Venue
Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval
Publisher
ACM
Published
2005-08-15
Pages
472-479
OpenAlex
W2070740689
Cited by
843
References
2
FWCI
24.02
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: A Markov random field model for term dependencies. https://app.cochat.ai/papers/10.1145/1076034.1076115
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Metzler, D., & Croft, W. B. (2005). A Markov random field model for term dependencies. Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval. https://doi.org/10.1145/1076034.1076115

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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