DalTREC 2004: Question Answering Using Regular Expression Rewriting.
Vlado KeseljAnthony CoxPublished in: TREC (2004)
Keyphrases
- question answering
- regular expressions
- regular path queries
- pattern matching
- query language
- question classification
- natural language processing
- semistructured data
- conjunctive queries
- xml schema
- information retrieval
- information extraction
- natural language
- query evaluation
- cross language
- qa clef
- question answering systems
- matching algorithm
- syntactic information
- answer extraction
- passage retrieval
- semantic roles