Keyphrases
- information networks
- query processing
- network analysis
- result set
- user defined
- database
- query evaluation
- object oriented
- skyline queries
- query result
- user queries
- social network analysis
- query expansion
- ranking list
- heterogeneous information networks
- database queries
- range queries
- keywords
- social networks
- knowledge representation
- scoring functions
- join operations
- database systems
- approximate answers