Sesame: A Generic Architecture for Storing and Querying RDF and RDF Schema
ISWC '02 Proceedings of the First International Semantic Web Conference on The Semantic Web
Rondo: a programming platform for generic model management
Proceedings of the 2003 ACM SIGMOD international conference on Management of data
Querying the Semantic Web with RQL
Computer Networks: The International Journal of Computer and Telecommunications Networking - Special issue: The Semantic Web: an evolution for a revolution
A Query Language for MOF Repository Systems
OTM '08 Proceedings of the OTM 2008 Confederated International Conferences, CoopIS, DOA, GADA, IS, and ODBASE 2008. Part I on On the Move to Meaningful Internet Systems:
Metamodeling for Method Engineering
Metamodeling for Method Engineering
A semantic handling of geological modeling workflows
Proceedings of the International Conference on Management of Emergent Digital EcoSystems
An object-oriented based algebra for ontologies and their instances
ADBIS'07 Proceedings of the 11th East European conference on Advances in databases and information systems
OntoDB: an ontology-based database for data intensive applications
DASFAA'07 Proceedings of the 12th international conference on Database systems for advanced applications
Benchmarking database representations of RDF/S stores
ISWC'05 Proceedings of the 4th international conference on The Semantic Web
Querying ontology based database using OntoQL (an ontology query language)
ODBASE'06/OTM'06 Proceedings of the 2006 Confederated international conference on On the Move to Meaningful Internet Systems: CoopIS, DOA, GADA, and ODBASE - Volume Part I
Web and semantic web query languages: a survey
Proceedings of the First international conference on Reasoning Web
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Nowadays, metamodeling techniques and ontologies play a central role in many computer science problems such as data exchange, integration of heterogeneous data and models or software reuse. Yet, if many metamodeling repositories and ontology repositories have been proposed, few attempts have been made to combine their advantages into a single repository with a dedicated language. In this paper, we present the capabilities of the OntoQL language for managing the various levels of information stored in a metamodeling systems where (1) both data, models and metamodels are available and (2) semantic descriptions are provided using ontologies. Some of the main characteristics of OntoQL are: management of the metamodel level using the same operators as the ones applied to data and to model levels, semantic queries through ontologies and SQL compatibility. We report several applications where this language has been extensively and successfully used.