Mining Wikipedia and Yahoo! Answers for Question Expansion in Opinion QA.
Yajie MiaoChunping LiPublished in: PAKDD (1) (2010)
Keyphrases
- question answer
- question answering
- qa systems
- candidate answers
- natural language questions
- answer extraction
- question answering systems
- community question answering
- question classification
- correct answers
- named entities
- question answer pairs
- information retrieval
- open domain question answering
- open domain
- knowledge discovery
- search engine
- text mining
- qa clef
- knowledge base
- evaluation methodology
- answering questions
- answer validation
- sentiment analysis
- document collections
- data mining
- itemsets
- information extraction
- semantic relations
- answer questions
- pattern mining
- asked questions
- natural language
- frequently asked
- named entity disambiguation
- interactive question answering
- automatically extracting
- passage retrieval
- wikipedia articles
- link analysis
- sequential patterns
- web mining
- frequent patterns
- text categorization
- wordnet