A combined IR/NLP approach to question answering against large text collections.
Robert J. GaizauskasKevin HumphreysPublished in: RIAO (2000)
Keyphrases
- question answering
- text collections
- information retrieval
- passage retrieval
- document collections
- information extraction
- text categorization
- natural language processing
- text retrieval
- named entities
- text documents
- text mining
- textual data
- information retrieval systems
- test collection
- search engine
- answer extraction
- language model
- relevance feedback
- natural language
- document retrieval
- relevant documents
- retrieval model
- data mining
- query expansion
- artificial intelligence