Efficient Execution of SPARQL Queries with OPTIONAL and UNION Expressions.

Lei Zou Yue Pang M. Tamer Özsu Jiaqi Chen

Published in: CoRR (2023)

Keyphrases

efficient execution
sparql queries
query optimization
cost model
query processing
database systems
query execution
rdf data
query language
xml data
relational algebra
multi dimensional
query plan
query optimizer
data model
data management
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