P. Johannesson, "Using Conceptual Graph Theory to Support Schema Integration", 12th International Conference on EntityRelationship Approach, Ed. R. Elmasri, Houston, OmniPress, 1993 Home/Search Document Details and Download
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Building DD to Support Query Processing in Federated Systems - Chen, Benn (1997) (Correct)
....can be decomposed and translated, and the local results can be synthesised automatically. 1 Introduction Due to the rapid advance in networking technologies and the requirement of data sharing among different organizations, federated systems have become the trend of future database developments [BOT86, LA86, Jo93, SK92, CW93, HLM94, RPRG94, KFMRN96]. The research on this issue can be roughly divided into two main categories: the tightly integrated approach that integrates databases by building an integrated schema and the loosely integrated approach that achieves interoperability by using a multidatabase language. The method proposed here ....
P. Johannesson. "Using Conceptual Graph Theory to Support Schema Integration", in:Proc. 12th Int. Conf. on the EntityRelationship Approach, Arlington, Texas, USA, Dec. 1993, pp. 283 - 296.
Automatic Classification of Semantic Concepts in View.. - Ellmer, Huemer, Merkl, .. (1996) (Correct)
....different views. 4] compares by means of a unification process concepts in different views by analysing similarities among names, structures, and constraints. In [20] a method for identifying view similarities based on using a semantic dictionary and a taxonomy structure is proposed while [11] uses conceptual graph theory to support view integration. Using concepts from the field of artificial intelligence to support view integration has also been done. 6] proposes an expert system approach to view integration. In [5] experiences are reported in using linguistic tools, such as ....
P. Johannesson. Using Conceptual Graph Theory to Support Schema Integration. Proc. 12th Int. Conf. on the Entity-Relationship Approach, Springer Verlag, LNCS 823, 1994. (R. Elmasri, V. Kouramajian, B. Thalheim, Eds.).
Neural Network Technology to Support View Integration - Ellmer, Huemer, Merkl, Pernul (1995) (Correct)
....different schemes. 1] compares by means of a unification process concepts in different schemes by analysing similarities among names, structures, and constraints. In [18] a method for identifying schema similarities based on using a semantic dictionary and a taxonomy structure is proposed while [9] uses conceptual graph theory to support schema integration. Another idea is to use linguistic tools, such as thesauri and information retrieval techniques to build dictionaries and to support the view comparison. In [4] such experiences are reported. In [7] fuzzy and incomplete terminological ....
P. Johannesson. Using Conceptual Graph Theory to Support Schema Integration. Proc. 12th Int. Conf. on the Entity-Relationship Approach, Springer Verlag, LNCS 823, 1994. (R. Elmasri, V. Kouramajian, B. Thalheim, Eds.).
Semantic Interoperability Context, Issues, and Research.. - Johannesson, Jamil (1994) (1 citation) Self-citation (Johannesson) (Correct)
....names when modelling object structures. Describing all associations between objects by a small number of case relations standardizes the terminology of the schemas to be integrated, and thus facilitates schema comparison by reducing the number of synonyms occurring in the schemas. In [Johannesson93b] we outline how to compare schemas expressed in the ECG formalism [Moulin92] which is based on case grammar. 4.3 Schema Transformations An important technique in schema integration is the use of schema transformations. A schema transformation maps schemas to schemas; more precisely, a schema ....
P. Johannesson, "Using Conceptual Graph Theory to Support Schema Integration", 12th International Conference on EntityRelationship Approach, Ed. R. Elmasri, Houston, OmniPress, 1993
A Rule-based Strategy for Schema Integration in a.. - Benn, Chen, Gringer (1996) (2 citations) (Correct)
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Jo93 P. Johannesson, "Using Conceptual Graph Theory to Support Schema Integration", in Proc. 12th Int. Conf. on the Entity-Relationship Approach, Arlington, Texas, USA, Dec. 1993, pp. 283 - 296.
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