FedTopK: Top-K Queries Optimization over Federated RDF Systems.

Ningchao Ge Zheng Qin Peng Peng Lei Zou

Published in: DASFAA (3) (2021)

Keyphrases

query processing
data sources
retrieval systems
query language
distributed systems
user defined
databases
metadata
web search engines
knowledge base
optimization algorithm
data objects
database queries
result set
rdf data
sparql queries