Dag Hovland
Dag Hovland
Researcher, University Of Oslo
Verified email at ifi.uio.no
Cited by
Cited by
Ontology based data access in Statoil
E Kharlamov, D Hovland, MG SkjŠveland, D Bilidas, E JimÚnez-Ruiz, ...
Journal of Web Semantics 44, 3-36, 2017
Ontology based access to exploration data at Statoil
E Kharlamov, D Hovland, E JimÚnez-Ruiz, D Lanti, H Lie, C Pinkel, ...
International Semantic Web Conference, 93-112, 2015
OptiqueVQS: A visual query system over ontologies for industry
A Soylu, E Kharlamov, D Zheleznyakov, E Jimenez-Ruiz, M Giese, ...
Semantic Web 9 (5), 627-660, 2018
Ontology-based integration of cross-linked datasets
D Calvanese, M Giese, D Hovland, M Rezk
International Semantic Web Conference, 199-216, 2015
Optique system: towards ontology and mapping management in OBDA solutions
P Haase, I Horrocks, D Hovland, T Hubauer, E JimÚnez, E Kharlamov, ...
Engineering ontology-based access to real-world data sources
MG SkjŠveland, M Giese, D Hovland, EH Lian, A Waaler
Journal of Web Semantics 33, 112-140, 2015
Regular expressions with numerical constraints and automata with counters
D Hovland
International Colloquium on Theoretical Aspects of Computing, 231-245, 2009
Ontology-based data access to Slegge
D Hovland, R Kontchakov, MG SkjŠveland, A Waaler, M Zakharyaschev
International Semantic Web Conference, 120-129, 2017
Efficient ontology-based data integration with canonical IRIs
G Xiao, D Hovland, D Bilidas, M Rezk, M Giese, D Calvanese
European Semantic Web Conference, 697-713, 2018
The membership problem for regular expressions with unordered concatenation and numerical constraints
D Hovland
International Conference on Language and Automata Theory and Applicationsá…, 2012
The inclusion problem for regular expressions
D Hovland
Journal of Computer and System Sciences 78 (6), 1795-1813, 2012
Hallstein Lie, Christoph Pinkel, Martin Rezk, Martin G. SkjŠveland, Evgenij Thorstensen, Guohui Xiao, Dmitriy Zheleznyakov, and Ian Horrocks. Ontology based access toá…
E Kharlamov, D Hovland, E JimÚnez-Ruiz, D Lanti
The Semantic Web-ISWC, 11-15, 2015
OBDA constraints for effective query answering
D Hovland, D Lanti, M Rezk, G Xiao
International Symposium on Rules and Rule Markup Languages for the Semanticá…, 2016
Enabling Ontology Based Access at an Oil and Gas Company Statoil
E Kharlamov, D Hovland, E JimÚnez-Ruiz, DLC Pinkel, M Rezk, ...
ISWC, 2015
Finding data should be easier than finding oil
E Kharlamov, M SkjŠveland, D Hovland, T Mailis, E Jimenez-Ruiz, ...
2018 IEEE International Conference on Big Data (Big Data), 1747-1756, 2018
Hallstein Lie, and Ian Horrocks
A Soylu, E Kharlamov, D Zheleznyakov, EJ Ruiz, M Giese, ...
OptiqueVQS: a visual query system over ontologies for industry. Semantic Web, 2017
Investigating the limitations of java annotations for input validation
F Mancini, D Hovland, KA Mughal
2010 International Conference on Availability, Reliability and Security, 513-518, 2010
Hallstein Lie, Yannis E
E Kharlamov, D Hovland, MG SkjŠveland, D Bilidas, E JimÚnez-Ruiz, ...
Ioannidis, Yannis Kotidis, Manolis Koubarakis, and Arild Waaler. Ontologyá…, 2017
Keywdb: A system for keyword-driven ontology-to-rdb mapping construction
D Zheleznyakov, E Kharlamov, V Klungre, MG SkjŠveland, D Hovland, ...
International Semantic Web Conference (Posters & Demos), 2016
A type system for counting instances of software components
M Bezem, D Hovland, H Truong
Theoretical Computer Science 458, 29-48, 2012
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