Japanese Opinion Extraction System for Japanese Newspapers Using Machine -Learning Method.
Toshiyuki KanamaruMasaki MurataHitoshi IsaharaPublished in: NTCIR (2007)
Keyphrases
- machine learning
- preprocessing
- machine learning methods
- unsupervised learning
- pairwise
- significant improvement
- theoretical analysis
- segmentation algorithm
- classification accuracy
- detection method
- cost function
- experimental evaluation
- optimization algorithm
- high accuracy
- synthetic data
- objective function
- statistical methods
- computational cost
- markov random field
- multiresolution
- computational complexity
- pattern recognition
- computer vision
- search engine