A Comparative Study of Utilizing Topic Models for Information Retrieval

@inproceedings{Yi2009ACS,
  title={A Comparative Study of Utilizing Topic Models for Information Retrieval},
  author={Xing Yi and James Allan},
  booktitle={ECIR},
  year={2009}
}
We explore the utility of different types of topic models for retrieval purposes. Based on prior work, we describe several ways that topic models can be integrated into the retrieval process. We evaluate the effectiveness of different types of topic models within those retrieval approaches. We show that: (1) topic models are effective for document smoothing; (2) more rigorous topic models such as Latent Dirichlet Allocation provide gains over cluster-based models; (3) more elaborate topic… CONTINUE READING
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