QUETSAL: A Query Federation Suite for SPARQL

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QUETSAL is a SPARQL endpoint federation engine for federated SPARQL query processing

Issues Source Code

Logo QUETSAL

QUETSAL is an upcoming SPARQL endpoint federation suit which will integrate HiBISCUS, DAW, and CostFed.

Following are the relevant AKSW projects to QUETSAL.

  • HiBISCuS- A hypergraph based source selection for SPARQL endpoints federation.
  • DAW- DAW: Duplicate-AWare Federated Query Processing over the Web of Data
  • CostFed- CostFed: Cost-Based Query Optimization for SPARQL Endpoint Federation
  • TopFed- Cancer Genome Atlas (TCGA) tailored federated query processing and linking to Linked Open Data (LOD) Cloud.
  • LargeRDFBench- A billion triples benchmark for SPARQL Endpoint Federation.

Project Team

Publications

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News

DBpedia Day @ SEMANTiCS 2021 ( 2021-07-30T09:54:45+02:00 by Julia Holze)

2021-07-30T09:54:45+02:00 by Julia Holze

We are happy to announce that we are partnering again with the SEMANTiCS Conference which will host this year’s DBpedia Day on September 9, 2021. Read more about "DBpedia Day @ SEMANTiCS 2021"

LDK Conference meets DBpedia in Zaragoza, Spain ( 2021-07-09T10:37:27+02:00 by Julia Holze)

2021-07-09T10:37:27+02:00 by Julia Holze

We are happy to announce that we will organize a DBpedia Tutorial on September 1, 2021 in Zaragoza, Spain. This DBpedia tutorial will be part of the Language, Data and Knowledge conference 2021. Read more about "LDK Conference meets DBpedia in Zaragoza, Spain"

Assessing Language Identification Over DBpedia ( 2021-05-04T23:27:40+02:00 EdgardMarx)

2021-05-04T23:27:40+02:00 EdgardMarx

Large-scale multilingual knowledge bases (KBs) are the key for cross-lingual and multilingual applications such as Question Answering, Machine  Translation,  and  Search. Read more about "Assessing Language Identification Over DBpedia"

DBpedia Tutorial @ Knowledge Graph Conference 2021 ( 2021-04-09T13:20:50+02:00 by Julia Holze)

2021-04-09T13:20:50+02:00 by Julia Holze

On May 4, 2021 we will organize a tutorial at the Knowledge Graph Conference (KGC) 2021. Read more about "DBpedia Tutorial @ Knowledge Graph Conference 2021"

DBpedia @ Google Summer of Code program 2021 ( 2021-03-15T09:41:22+01:00 by Julia Holze)

2021-03-15T09:41:22+01:00 by Julia Holze

DBpedia, one of InfAI’s community projects, will participate in the Google Summer of Code (GSoC) program for the 10th time. The GsoC program has the goal to bring students from all over the globe into open source software development. Read more about "DBpedia @ Google Summer of Code program 2021"