Keyphrases
- sentence level
- training corpus
- linguistic features
- recognizing textual entailment
- text corpus
- semantic roles
- sentence pairs
- parallel corpus
- document level
- probabilistic context free grammars
- part of speech
- intellectual property
- noun phrases
- natural language
- sentiment analysis
- information retrieval
- patent information
- word frequency
- semantic parser
- statistical machine translation
- machine translation
- semantic role labeling
- natural language text
- syntactic features
- text classification
- prior art
- textual entailment
- syntactic analysis
- text summarization
- dependency structure
- sentiment classification
- document clustering
- wordnet
- query expansion