Conceptual structures: information processing in mind and machine
Conceptual structures: information processing in mind and machine
Relations as semantic constructs in an object-oriented language
OOPSLA '87 Conference proceedings on Object-oriented programming systems, languages and applications
IDEAS: a system for international data exchange and access for science
Information Processing and Management: an International Journal
Data & Knowledge Engineering - Special issue on linguistic instruments in knowledge engineering (LIKE)
On the representation of roles in object-oriented and conceptual modelling
Data & Knowledge Engineering
Information Integration: Conceptual Modeling and Reasoning Support
COOPIS '98 Proceedings of the 3rd IFCIS International Conference on Cooperative Information Systems
IEEE Transactions on Knowledge and Data Engineering
Conceptual Modeling for Data Integration
Conceptual Modeling: Foundations and Applications
A survey of techniques for achieving metadata interoperability
ACM Computing Surveys (CSUR)
ECOOP'07 Proceedings of the 2007 conference on Object-oriented technology
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In the context of the wide research environment, we introduce the CERIF Common European Research Information Format data model which a has a richer structure than the usual metadata standards used in research information; b separates base entities from link entities thus providing flexibility in expressing role-based temporal relationships; c defines a distinct semantic layer so that relationship roles in link entities and controlled value lists in base entities are separately managed and multiple vocabularies can be used and related to each other; d can generate the common metadata formats used in research information. CERIF is used widely and is an EU recommendation to member states. At the request of the European Commission, CERIF is maintained, developed and promoted by euroCRIS.