Keyphrases
- natural language
- english language
- branch and bound
- machine translation
- first order logic
- language learning
- computer assisted language learning
- answer questions
- cross language
- cross lingual
- language identification
- english text
- knowledge representation
- broad coverage
- wide coverage
- link grammar
- search tree
- cross language information retrieval
- neural network
- named entities
- learning environment
- information systems
- artificial intelligence