Ontologies for Knowledge Graphs: Breaking the Rules

Markus KrötzschMarkus Krötzsch, Veronika ThostVeronika Thost

Markus Krötzsch, Veronika Thost
Ontologies for Knowledge Graphs: Breaking the Rules
In Yolanda Gil, Elena Simperl, Paul Groth, Freddy Lecue, Markus Krötzsch, Alasdair Gray, Marta Sabou, Fabian Flöck, Hideaki Takeda, eds., Proceedings of the 15th International Semantic Web Conference (ISWC 2016), volume 9981 of LNCS, 376-392, 2016. Springer

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KurzfassungAbstract
Large-scale knowledge graphs (KGs) are widely used in industry and academia, and provide excellent use-cases for ontologies. We find, however, that popular ontology languages, such as OWL and Datalog, cannot express even the most basic relationships on the normalised data format of KGs. Existential rules are more powerful, but may make reasoning undecidable. Normalising them to suit KGs often also destroys syntactic restrictions that ensure decidability and low complexity. We study this issue for several classes of existential rules and derive new syntactic criteria to recognise well-behaved rule-based ontologies over KGs.
Projekt:Project: DIAMOND, HAEC B08
Forschungsgruppe:Research Group: Wissensbasierte SystemeKnowledge-Based Systems

The final publication is available at Springer via http://dx.doi.org/10.1007/978-3-319-46523-4_23.

@inproceedings{KT2016,
  author    = {Markus Kr{\"{o}}tzsch and Veronika Thost},
  title     = {Ontologies for Knowledge Graphs: Breaking the Rules},
  editor    = {Yolanda Gil and Elena Simperl and Paul Groth and Freddy Lecue and
               Markus Kr{\"{o}}tzsch and Alasdair Gray and Marta Sabou and
               Fabian Fl{\"{o}}ck and Hideaki Takeda},
  booktitle = {Proceedings of the 15th International Semantic Web Conference
               (ISWC 2016)},
  series    = {LNCS},
  volume    = {9981},
  publisher = {Springer},
  year      = {2016},
  pages     = {376-392},
  doi       = {10.1007/978-3-319-46523-4_23}
}