Evaluating the Evaluation: A Case Study Using the TREC 2002 Question Answering Track.
Ellen M. VoorheesPublished in: HLT-NAACL (2003)
Keyphrases
- question answering
- information retrieval
- information extraction
- question classification
- natural language
- natural language processing
- passage retrieval
- cross language
- question answering systems
- named entities
- syntactic information
- open domain question answering
- natural language questions
- answer validation
- relation extraction
- qa clef
- query expansion
- text mining
- answer extraction
- textual entailment recognition