Large-scale question classification in cQA by leveraging Wikipedia semantic knowledge.
Li CaiGuangyou ZhouKang LiuJun ZhaoPublished in: CIKM (2011)
Keyphrases
- semantic knowledge
- question classification
- question answering
- semantic information
- natural language text
- semantic features
- named entities
- relation extraction
- natural language
- question answering systems
- information extraction
- wordnet
- feature weighting
- domain knowledge
- natural language processing
- knowledge sources
- tree kernels
- text mining
- knowledge base
- keywords
- semantic relations
- semantic network
- semantic similarity
- domain ontology
- co occurrence
- knn
- machine learning
- search engine
- semantic role labeling
- contextual information
- artificial intelligence