Extraction of Opinion Sentences using Machine Learning: Hiroshima City University at NTCIR-7 MOAT.
Daisuke KobayashiHidetsugu NanbaToshiyuki TakezawaPublished in: NTCIR (2008)
Keyphrases
- machine learning
- information extraction
- sentence level
- natural language
- test collection
- machine learning methods
- learning algorithm
- machine learning algorithms
- sentiment analysis
- e learning
- positive or negative
- automatic extraction
- multi document summarization
- patent retrieval
- data mining
- urban areas
- evaluation metrics
- explanation based learning
- feature selection
- text mining
- training data
- active learning
- web retrieval
- opinion words
- computer science
- polarity classification
- query translation
- precision and recall
- decision trees
- transfer learning
- case study
- knowledge acquisition
- text classification
- natural language processing
- knowledge representation