emnlp emnlp2010 emnlp2010-70 emnlp2010-70-reference knowledge-graph by maker-knowledge-mining
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Author: Xin Zhao ; Jing Jiang ; Hongfei Yan ; Xiaoming Li
Abstract: Discovering and summarizing opinions from online reviews is an important and challenging task. A commonly-adopted framework generates structured review summaries with aspects and opinions. Recently topic models have been used to identify meaningful review aspects, but existing topic models do not identify aspect-specific opinion words. In this paper, we propose a MaxEnt-LDA hybrid model to jointly discover both aspects and aspect-specific opinion words. We show that with a relatively small amount of training data, our model can effectively identify aspect and opinion words simultaneously. We also demonstrate the domain adaptability of our model.
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