A survey of RDF stores & SPARQL engines for querying knowledge graphs
RDF has seen increased adoption in recent years, prompting the standardization of the
SPARQL query language for RDF, and the development of local and distributed engines for …
SPARQL query language for RDF, and the development of local and distributed engines for …
An analytical study of large SPARQL query logs
A Bonifati, W Martens, T Timm - The VLDB Journal, 2020 - Springer
With the adoption of RDF as the data model for Linked Data and the Semantic Web, query
specification from end users has become more and more common in SPARQL endpoints. In …
specification from end users has become more and more common in SPARQL endpoints. In …
[PDF][PDF] SPLENDID: SPARQL Endpoint Federation Exploiting VOID Descriptions.
O Görlitz, S Staab - COLD, 2011 - files.ifi.uzh.ch
In order to leverage the full potential of the Semantic Web it is necessary to transparently
query distributed RDF data sources in the same way as it has been possible with federated …
query distributed RDF data sources in the same way as it has been possible with federated …
An analytical study of large SPARQL query logs
A Bonifati, W Martens, T Timm - arXiv preprint arXiv:1708.00363, 2017 - arxiv.org
With the adoption of RDF as the data model for Linked Data and the Semantic Web, query
specification from end-users has become more and more common in SPARQL end-points …
specification from end-users has become more and more common in SPARQL end-points …
ANAPSID: an adaptive query processing engine for SPARQL endpoints
Following the design rules of Linked Data, the number of available SPARQL endpoints that
support remote query processing is quickly growing; however, because of the lack of …
support remote query processing is quickly growing; however, because of the lack of …
[HTML][HTML] GTFS-Madrid-Bench: A benchmark for virtual knowledge graph access in the transport domain
A large number of datasets are being made available on the Web using a variety of formats
and according to diverse data models. Ontology Based Data Integration (OBDI) has been …
and according to diverse data models. Ontology Based Data Integration (OBDI) has been …
An empirical study of real-world SPARQL queries
Understanding how users tailor their SPARQL queries is crucial when designing query
evaluation engines or fine-tuning RDF stores with performance in mind. In this paper we …
evaluation engines or fine-tuning RDF stores with performance in mind. In this paper we …
Knowledge4COVID-19: A semantic-based approach for constructing a COVID-19 related knowledge graph from various sources and analyzing treatments' toxicities
In this paper, we present Knowledge4COVID-19, a framework that aims to showcase the
power of integrating disparate sources of knowledge to discover adverse drug effects …
power of integrating disparate sources of knowledge to discover adverse drug effects …
Heuristics-based query optimisation for SPARQL
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically
contain many more joins than equivalent relational plans, and hence lead to a large join …
contain many more joins than equivalent relational plans, and hence lead to a large join …
Ontario: Federated query processing against a semantic data lake
Data lakes enable flexible knowledge discovery and reduce the overhead of materialized
data integration. Albeit effective for data storage, query execution over data lakes may be …
data integration. Albeit effective for data storage, query execution over data lakes may be …