Text searching retrieval of answer-sentences and other answer-passages.
John O'ConnorPublished in: J. Am. Soc. Inf. Sci. (1973)
Keyphrases
- candidate answers
- correct answers
- text retrieval
- question answer pairs
- question answering
- exact match
- information retrieval
- natural language
- document retrieval
- document structure
- keyword queries
- video search
- document analysis
- image database
- question answering systems
- keywords
- text segments
- syntactic features
- relevance feedback
- question classification
- text mining
- linguistic analysis
- qa systems
- text summarization
- passage retrieval
- sentence level
- query expansion
- text documents
- retrieval model
- semantic content