Answer models for question answering passage retrieval.
Andrés Corrada-EmmanuelW. Bruce CroftPublished in: SIGIR (2004)
Keyphrases
- question answering
- passage retrieval
- question classification
- question answering systems
- natural language questions
- qa systems
- information retrieval
- information extraction
- answer extraction
- answering questions
- sentence retrieval
- document retrieval
- natural language processing
- answer validation
- relevance model
- candidate answers
- language model
- natural language
- audio visual
- qa clef
- question answer pairs
- probabilistic model
- syntactic information
- semantic relatedness
- quantitative evaluation
- query expansion
- low level
- multimedia
- artificial intelligence