The Alyssa System at TREC QA 2007: Do We Need Blog06?
Dan ShenMichael WiegandAndreas MerkelStefan KazalskiSabine HunsickerJochen L. LeidnerDietrich KlakowPublished in: TREC (2007)
Keyphrases
- question answering
- trec blog track
- information retrieval
- blog distillation
- qa systems
- question answering systems
- natural language processing
- information extraction
- open domain question answering
- question classification
- blog posts
- qa clef
- passage retrieval
- social media
- natural language
- open domain
- test collection
- answer validation
- semantic roles
- blog entries
- machine learning
- retrieval effectiveness
- community discovery
- document collections
- answer extraction