Distributed SPARQL Query Answering over RDF Data Streams.
Marcello LeidaAndrej ChuPublished in: BigData Congress (2013)
Keyphrases
- query answering
- data streams
- data integration
- rdf data
- linked data
- data exchange
- semantic web
- data model
- query rewriting
- sparql queries
- data integration systems
- answering queries
- incomplete information
- integrity constraints
- conjunctive queries
- data complexity
- query language
- ontology languages
- rdf graphs
- data sources
- distributed systems
- open world
- storage and retrieval
- database systems
- ontology based data access
- schema mappings
- sensor networks
- databases
- data sets
- datalog programs
- metadata
- query containment
- dl lite
- knowledge base
- inconsistent databases
- database
- xml schema
- expressive power
- query processing
- multi agent
- case study