Keyphrases
- service providers
- public key infrastructure
- web services
- digital objects
- digital goods
- optimal policy
- service oriented
- ubiquitous computing
- context aware
- information services
- end users
- digital collections
- digital resources
- web technologies
- information goods
- set top box
- service composition
- reinforcement learning
- automated trust negotiation
- legal issues
- digital content
- policy making
- digital media
- location information
- information systems
- service discovery
- digital libraries
- decision making