Keyphrases
- pos tagging
- part of speech
- natural language processing
- metadata
- natural language
- unsupervised learning
- intermediate representation
- context free grammars
- penn treebank
- error recovery
- dependency parsing
- parse tree
- domain adaptation
- collaborative tagging
- social tagging
- genetic algorithm
- pattern matching
- shallow parsing
- syntactic and semantic dependencies
- image tagging
- database
- social web
- wordnet
- social networks
- data sets