The University of Michigan at TREC 2002: Question Answering and Novelty Tracks.
Hong QiJahna OtterbacherAdam WinkelDragomir R. RadevPublished in: TREC (2002)
Keyphrases
- question answering
- information retrieval
- natural language
- named entities
- question answering systems
- qa clef
- information extraction
- natural language processing
- question classification
- novelty detection
- passage retrieval
- cross language
- open domain question answering
- answer extraction
- natural language questions
- semantic roles
- relation extraction
- syntactic information
- candidate answers
- keywords
- machine learning
- data mining