Keyphrases
- question answering
- mobile devices
- context aware
- natural language
- information extraction
- question classification
- information retrieval
- natural language processing
- mobile learning
- named entities
- multi modal
- cross language
- qa clef
- passage retrieval
- open domain question answering
- natural language questions
- relation extraction
- semantic roles
- question answering systems
- syntactic information
- audio visual
- answer extraction
- sentence retrieval
- multimedia
- text retrieval
- structured data
- relational databases
- textual entailment recognition