By O. Vasilecas, J. Eder, A. Caplinskas
This book includes papers that current unique ends up in enterprise modeling and company engineering, database learn, info engineering, information caliber and information research, IS engineering, net engineering, and alertness of AI equipment. The contributions are from lecturers and practitioners from the total international. The editors desire that the awarded effects will give a contribution to the additional improvement of study within the box of databases and knowledge platforms. a few themes of this booklet are: information Integration equipment; information Mining; facts versions and Database layout; allotted Database suggestions and Interoperability; area Ontologies and Concept-Based seek; details platforms and safeguard; information Warehousing, OLAP, and information Discovery; info structures, cellular Computing, and brokers; built-in info platforms; clever details brokers; wisdom illustration and information Engineering; wisdom administration; Linguistic parts of data platforms; common sense and Databases; and Metamodels and version pushed structure.
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Additional info for Databases and Information Systems IV: Selected Papers from the Seventh International Conference DB&IS’2006
This triangle derives from that of Ogden and Richards  and from Ferdinand de Saussure , on whose theories practically the whole modern science of language is based. The represents relation concerns the definition of language L’s real-world semantics. The dotted line between language and reality in this figure highlights the fact that the relation between language and reality is always intermediated by a certain conceptualization . This relation is elaborated in Figure 2 that depicts the distinction between an abstraction and its representation, and their relationship with conceptualization and representation language.
In summary, we can state that an ideal ontology OC for a conceptualization C of universe of discourse U can be seen as the specification of the ontological metamodel for an ideal language to represent U according to C. For this reason, the adequacy of a language L to represent phenomena in U can be systematically evaluated by comparing L’s metamodel specification with OC. This idea is illustrated in Figure 5. By including formula (3), (T1) is transformed into an ideal ontology (T2) of C. One question that comes to the mind is: How can one know that?
V. O. ‘Ontological relativity’, and Other Essays, New York: Columbia University Press, 1969.  Chen. P. ‘The entity-relationship model: Towards a unified view of data’, ACM Transactions on Database Systems 1(1), 1976.  Guarino, N. ‘Formal Ontology and Information Systems’, In Guarino, N. ) Formal Ontology in Information Systems, Proceedings of the International Conference on Formal Ontology and Information Systems (FOIS), Trento, Italy, June 6-8. IOS Press, Amsterdam: pp. 3-15, 1998. , Nau D.