Keyphrases
- recognizing textual entailment
- text retrieval
- information retrieval
- free text
- text mining
- discourse structure
- keywords
- word level
- text analysis
- textual data
- text information
- automatic identification
- database
- text data
- text summarization
- automatically extracted
- text processing
- string matching
- text documents
- web documents
- learning algorithm
- data sets