Knowledge graphs

A Hogan, E Blomqvist, M Cochez, C d'Amato… - ACM Computing …, 2021 - dl.acm.org
In this article, we provide a comprehensive introduction to knowledge graphs, which have
recently garnered significant attention from both industry and academia in scenarios that …

A survey of RDF stores & SPARQL engines for querying knowledge graphs

W Ali, M Saleem, B Yao, A Hogan, ACN Ngomo - The VLDB Journal, 2022 - Springer
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 …

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 …

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 …

Navigating the maze of wikidata query logs

A Bonifati, W Martens, T Timm - The World Wide Web Conference, 2019 - dl.acm.org
This paper provides an in-depth and diversified analysis of the Wikidata query logs, recently
made publicly available. Although the usage of Wikidata queries has been the object of …

Feasible: A feature-based sparql benchmark generation framework

M Saleem, Q Mehmood, AC Ngonga Ngomo - The Semantic Web-ISWC …, 2015 - Springer
Benchmarking is indispensable when aiming to assess technologies with respect to their
suitability for given tasks. While several benchmarks and benchmark generation frameworks …

Wdbench: A wikidata graph query benchmark

R Angles, CB Aranda, A Hogan, C Rojas… - International Semantic …, 2022 - Springer
We propose WDBench: a query benchmark for knowledge graphs based on Wikidata,
featuring real-world queries extracted from the public query logs of the Wikidata SPARQL …

SPARQLES: Monitoring public SPARQL endpoints

PY Vandenbussche, J Umbrich, L Matteis… - Semantic …, 2017 - content.iospress.com
We describe SPARQLES: an online system that monitors the health of public SPARQL
endpoints on the Web by probing them with custom-designed queries at regular intervals …

Personalized knowledge graph summarization: From the cloud to your pocket

T Safavi, C Belth, L Faber, D Mottin… - … Conference on Data …, 2019 - ieeexplore.ieee.org
The increasing scale of encyclopedic knowledge graphs (KGs) calls for summarization as a
way to help users efficiently access and distill world knowledge. Motivated by the disparity …

How representative is a sparql benchmark? an analysis of rdf triplestore benchmarks

M Saleem, G Szárnyas, F Conrads… - The World Wide Web …, 2019 - dl.acm.org
Triplestores are data management systems for storing and querying RDF data. Over recent
years, various benchmarks have been proposed to assess the performance of triplestores …