Keyphrases
- topic detection
- lexical chains
- topic segmentation
- automatic summarization
- document representation
- document clustering
- keyword extraction
- semantic relations
- document collections
- related words
- text summarization
- text classification
- wordnet
- text data
- semantic similarity
- text mining
- keywords
- text retrieval
- semantic information
- data sets
- question answering
- feature selection
- machine learning