Aspect Extraction for Opinion Mining with a Deep Convolutional Neural Network

96
Shuailong
2017.04.27 11:46* 字数 82

Sandro Cavallari, PhD Candidate, NTU

  • Aspect Extraction

    • based on frequent words (occurrences and co-ocurrences of noun and noun phrases)
    • by exploiting opinion and target relations
    • based on topic modelling
    • based on supervised learning
  • Deep convolutional belief network

    • composition of the unsupervised RBM
    • trained layer wise to maximise a energy function
  • Sentic-net: extract the linguistic pattern as additional information

  • Dataset

    • Word Embedding
      • Random
      • Google word2vec embedding
      • Our amazon embedding(~34 reviews)
    • Evaluation copra
      • Aspect-based sentiment analysis [Qui et al.]
      • SemEval 2014
    • Postag
      • Stanford tagger to detect 6 basic part of speech
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