A cost model and copyright management for 3D digital contents using multilevel complex objects.
Yutaka KidawaraYuichi SugiyamaKatsumi TanakaPublished in: Systems and Computers in Japan (2000)
Keyphrases
- complex objects
- cost model
- digital content
- complex queries
- query optimization
- digital rights management
- digital libraries
- digital watermarking
- query processing
- query execution
- multimedia content
- range queries
- metadata
- management system
- query language
- data management
- join algorithms
- distance function
- relational model
- content sharing
- access control
- data processing
- database systems
- neural network
- path expressions
- databases
- watermarking technique
- relational algebra
- regular expressions
- video content