Document (#40822)

Author
Huang, H.-H.
Wang, J.-J.
Chen, H.-H.
Title
Implicit opinion analysis : extraction and polarity labelling
Source
Journal of the Association for Information Science and Technology. 68(2017) no.9, S.2076-2087
Year
2017
Abstract
Opinion words are crucial information for sentiment analysis. In some text, however, opinion words are absent or highly ambiguous. The resulting implicit opinions are more difficult to extract and label than explicit ones. In this paper, cutting-edge machine-learning approaches - deep neural network and word-embedding - are adopted for implicit opinion mining at the snippet and clause levels. Hotel reviews written in Chinese are collected and annotated as the experimental data set. Results show the convolutional neural network models not only outperform traditional support vector machine models, but also capture hidden knowledge within the raw text. The strength of word-embedding is also analyzed.
Content
Vgl.: http://onlinelibrary.wiley.com/doi/10.1002/asi.23835/full.

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  5. Ku, L.-W.; Ho, H.-W.; Chen, H.-H.: Opinion mining and relationship discovery using CopeOpi opinion analysis system (2009) 0.17
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