The Virtual Knowledge Graph System Ontop

Guohui Xiao, Davide Lanti, Roman Kontchakov, Sarah Komla-Ebri, Elem Güzel-Kalayci, Linfang Ding, Julien Corman, Benjamin Cogrel, Diego Calvanese, and Elena Botoeva

Proc. of the 19th Int. Semantic Web Conf. (ISWC 2020). Volume 12507 of Lecture Notes in Computer Science. 2020.

Ontop is a popular open-source virtual knowledge graph system that can expose heterogeneous data sources as a unified knowledge graph. Ontop has been widely used in a variety of research and industrial projects. In this paper, we describe the challenges, design choices, new features of the upcoming major release of Ontop v4, summarizing the development efforts of the last 4 years.

   title = "The Virtual Knowledge Graph System Ontop",
   year = "2020",
  author = "Guohui Xiao and Davide Lanti and Roman Kontchakov and Sarah
Komla-Ebri and Elem Güzel-Kalayci and Linfang Ding and Julien
Corman and Benjamin Cogrel and Diego Calvanese and Elena Botoeva",
   booktitle = "Proc. of the 19th Int. Semantic Web Conf. (ISWC 2020)",
   pages = "259--277",
   volume = "12507",
   publisher = "Springer",
   series = "Lecture Notes in Computer Science",
   doi = "10.1007/978-3-030-62466-8_17",
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