Keyphrases
- conditional random fields
- semantic role labeling
- named entity recognition
- relation extraction
- information extraction
- dependency parsing
- semantic roles
- syntactic parsing
- predicate argument
- word sense disambiguation
- cross lingual
- cross language information retrieval
- natural language
- language independent
- cross language
- tree kernels
- prepositional phrase
- parse tree
- text categorization
- natural language processing
- image retrieval
- high level
- information retrieval