Keyphrases
- data repositories
- metadata
- data sources
- digital libraries
- network infrastructure
- remote access
- digital library systems
- earth science data
- digital preservation
- access points
- databases
- back end
- data grid
- data mining
- peer to peer
- distributed systems
- access control
- internet services
- machine learning
- multimedia
- trust relationships
- data model
- learning objects
- information resources
- web data
- wireless networks
- wireless sensor networks
- data analysis
- digital collections
- search engine
- building blocks