Keyphrases
- data model
- databases
- vector space
- lightweight
- database schema
- high availability
- conceptual schema
- basis functions
- cosine distance
- schema evolution
- semi structured data
- xpath queries
- object model
- euclidean distance
- xml schema
- conceptual model
- query interface
- hierarchical structure
- structured data
- heterogeneous data sources
- linear combination
- search engine
- role based access control
- instance level
- data sets