Syntactic Impact on Sentence Similarity Measure in Archive-Based QA System.
Guang QiuJiajun BuChun ChenPeng HuangKeke CaiPublished in: PAKDD (2007)
Keyphrases
- similarity measure
- question answering
- syntactic information
- natural language
- parse tree
- semantic role labeling
- semantic roles
- syntactic analysis
- syntactic structures
- answer extraction
- syntactic parsing
- syntactic categories
- natural language sentences
- syntactic features
- question classification
- recognizing textual entailment
- lexico syntactic
- metadata
- maximum entropy classifier
- similarity computation
- text summarization
- similarity function
- clustering method
- mutual information
- dependency parsing
- probabilistic context free grammars
- information extraction
- qa systems
- open domain
- natural language processing
- pairwise