Modeling online reviews with multi-grain topic models

@article{Titov2008ModelingOR,
  title={Modeling online reviews with multi-grain topic models},
  author={Ivan Titov and Ryan T. McDonald},
  journal={ArXiv},
  year={2008},
  volume={abs/0801.1063}
}
In this paper we present a novel framework for extracting the ratable aspects of objects from online user reviews. Extracting such aspects is an important challenge in automatically mining product opinions from the web and in generating opinion-based summaries of user reviews [18, 19, 7, 12, 27, 36, 21]. Our models are based on extensions to standard topic modeling methods such as LDA and PLSA to induce multi-grain topics. We argue that multi-grain models are more appropriate for our task since… Expand
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