Linguistic and semantic passage retrieval strategies for question answering.
Matthew W. BilottiPublished in: SIGIR Forum (2010)
Keyphrases
- question answering
- natural language
- retrieval strategies
- natural language processing
- document retrieval
- passage retrieval
- information retrieval
- semantic roles
- question answering systems
- semantic network
- named entities
- retrieval effectiveness
- information extraction
- natural language text
- cross language
- answer extraction
- relation extraction
- artificial intelligence
- machine learning
- text retrieval
- retrieval process
- retrieval systems
- test collection
- semantic information
- knowledge representation
- retrieval model
- metadata
- relational databases