Towards Graphical Query Notation for Semantic Databases.
Karlis CeransJulija OvcinnikovaMartins ZviedrisPublished in: BIR (2015)
Keyphrases
- databases
- database
- database queries
- semantic query
- data sources
- semantically equivalent
- indexing techniques
- web databases
- semantically similar
- heterogeneous databases
- query language for xml
- semantic relevance
- relational databases
- semantically related
- database systems
- user queries
- response time
- semantic information
- semantic meaning
- query evaluation
- query processing
- data retrieval
- semantic web
- database objects
- aggregate queries
- query expansion
- query interface
- semantic space
- metadata
- high level
- semantically relevant
- semantic retrieval
- data structure
- range queries
- context dependent
- heterogeneous data sources
- deep web
- semantic similarity
- semantic constraints
- query terms
- query rewriting
- information retrieval
- knowledge discovery
- query formulation