Keyphrases
- language learning
- language learners
- event processing
- english language
- foreign language
- computer assisted language learning
- motion analysis
- complex event processing
- image sequences
- mobile learning
- optical flow
- complex events
- artificial intelligence
- english learning
- vocabulary learning
- stream processing
- target language
- motion patterns
- moving objects
- motion model
- mobile phone
- spoken language
- chinese language
- mobile language learning
- database
- supply chain management
- cognitive science