Keyphrases
- natural language
- semantic analysis
- natural language interface
- natural language processing
- information hiding
- machine learning
- knowledge representation
- information extraction
- semantic interpretation
- language processing
- spread spectrum
- information security
- conceptual graphs
- data hiding
- semantic representation
- natural language generation
- hidden information
- high capacity
- natural language sentences
- reed solomon codes
- natural language understanding
- dialogue system
- spatial domain
- question answering
- multiresolution
- image sequences
- learning algorithm