Pushing the Boundaries of Crowd-enabled Databases with Query-driven Schema Expansion.
Joachim SelkeChristoph LofiWolf-Tilo BalkePublished in: Proc. VLDB Endow. (2012)
Keyphrases
- databases
- database
- query interface
- data sources
- database queries
- database objects
- data model
- heterogeneous databases
- data retrieval
- web databases
- query processing
- deep web
- access paths
- global schema
- data integration
- database systems
- response time
- relational databases
- indexing techniques
- semistructured data
- database views
- data objects
- database applications
- knowledge discovery
- database schemata
- relational database systems
- xpath queries
- metadata
- relational tables
- relevance feedback
- database schema
- data warehouse
- query expansion
- range queries
- aggregate queries
- query execution
- structured queries
- xml data
- retrieval systems
- query language
- data structure
- crowd sourced
- semi structured