Keyphrases
- textual entailment
- recognizing textual entailment
- free text
- database
- text mining
- np complete
- text retrieval
- web documents
- graph matching
- information retrieval
- textual entailment recognition
- lexico syntactic
- graph model
- textual data
- graph partitioning
- graph representation
- sentence level
- graph kernels
- weighted graph
- polynomial hierarchy
- wordnet
- np hard
- keywords