Enriching a thesaurus as a better question-answering tool and information retrieval aid.
Yejun WuPublished in: J. Inf. Sci. (2018)
Keyphrases
- question answering
- information retrieval
- natural language processing
- information retrieval systems
- information extraction
- passage retrieval
- question classification
- document collections
- cross language
- named entities
- learning to rank
- qa clef
- natural language
- search engine
- question answering systems
- query expansion
- open domain question answering
- sentence retrieval
- vector space model
- text retrieval
- language model
- syntactic information
- machine learning
- natural language questions
- text mining
- candidate answers
- tf idf
- document retrieval
- information access
- test collection
- relevant documents
- answer extraction
- image retrieval
- artificial intelligence
- answering questions
- language modeling
- semantic relations