Adaptive Context-Based Term (Re)Weighting: An Experiment on Single-Word Question Answering.
Marco ErnandesGiovanni AngeliniMarco GoriLeonardo RigutiniFranco ScarselliPublished in: ECAI (2006)
Keyphrases
- question answering
- syntactic information
- natural language
- information extraction
- information retrieval
- question classification
- natural language processing
- named entities
- qa clef
- relation extraction
- cross language
- open domain question answering
- answering questions
- qa systems
- question answering systems
- semantic roles
- answer extraction
- sentence retrieval
- answer validation
- term frequency
- tf idf
- natural language questions
- n gram