Keyphrases
- virtual space
- virtual reality
- virtual environment
- information retrieval
- database
- physical space
- physical systems
- tangible user interface
- physical characteristics
- ontology mapping
- input space
- user interface
- search space
- information systems
- neural network
- databases
- signal processing
- low dimensional
- probabilistic model
- virtual world
- space time
- higher dimensional
- physical world
- high dimensional
- social networks
- real world