Sentiment information extraction of comparative sentences based on CRF model.
Wei WangGuodong XinBailing WangJunheng HuangYang LiuPublished in: Comput. Sci. Inf. Syst. (2017)
Keyphrases
- conditional random fields
- crf model
- comparative sentences
- information extraction
- opinion mining
- sentiment analysis
- text documents
- text mining
- natural language processing
- sentiment classification
- named entity recognition
- random fields
- maximum entropy
- syntactic structures
- natural language
- information retrieval
- machine learning
- structured data
- graphical models
- named entities
- question answering
- topic modeling
- hidden markov models
- superpixels
- relation extraction
- markov random field
- probabilistic model
- text classification
- natural language text
- pairwise
- image processing
- object recognition