Enhancing Topical Word Semantic for Relevance Feature Selection.
Abdullah Semran AlharbiYuefeng LiYue XuPublished in: SML@IJCAI (2017)
Keyphrases
- feature selection
- feature relevance
- keywords
- word similarity
- word pairs
- linguistic information
- classification accuracy
- information retrieval
- semantic information
- mutual information
- pointwise mutual information
- semantic web
- co occurrence
- opinion retrieval
- machine learning
- text categorization
- feature extraction
- document frequency
- semantic similarity
- semantically related
- natural language text
- sentence similarity
- dependency relations
- related words
- natural language
- feature space
- feature set
- term frequency
- n gram
- topic models
- retrieved documents
- term weighting
- semantic relationships
- concept space
- context dependent
- semantic network
- feature subset
- relevance feedback
- support vector
- text classification
- topical relevance
- information retrieval systems