Online approximative SPARQL query processing for COUNT-DISTINCT queries with web preemption.
Julien Aimonier-DavatHala Skaf-MolliPascal MolliArnaud GrallThomas MinierPublished in: Semantic Web (2022)
Keyphrases
- query processing
- rdf data
- query optimization
- semantic web
- sparql queries
- linked data
- query evaluation
- query engine
- query language
- efficient processing
- efficient query processing
- processing queries
- database systems
- aggregate queries
- range queries
- website
- query types
- cost model
- user queries
- r tree
- online resources
- query execution
- similarity search
- rdf graphs
- online communities
- xml data
- web resources
- data management
- data model
- index structure
- database
- databases
- spatial queries
- rdf triples
- query execution plans
- web pages
- web queries
- inverted index
- web databases
- query processor
- join algorithms
- pruning methods
- query result
- join queries
- search logs
- keyword queries
- database queries
- database management systems
- data warehouse
- aggregation functions
- query rewriting
- data sources
- data structure
- vertical partitioning