Keyphrases
- metadata
- digital objects
- digital preservation
- digital libraries
- upper layer
- learning objects
- machine translation
- application layer
- multimedia
- long term preservation
- language resources
- metadata standards
- multi layer
- search tools
- dublin core
- databases
- query translation
- cross language information retrieval
- long term
- semantic search
- statistical information
- earth science
- middle layer
- statistical machine translation
- digital archives
- topic maps
- multimedia content
- learning resources
- metadata creation
- user generated tags