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Query representation and management in a multiparadigmatic visual query environment

  • Tiziana Catarci
  • Shi Kuo Chang
  • Giuseppe Santucci
Article

Abstract

We propose a framework for database querying providing the user with several interaction paradigms based on different (i.e., form-based, diagrammatic, iconic, and hybrid) visual representations of the database. A unified model, namely the Graph Model, is used as the common underlying model, in terms of which databases expressed in the most common data models can be easily converted. Graph Model databases can be queried by means of the multiparadigmatic interface. The semantics of the query operations is formally defined in terms of the Graphical Primitives. Such a formal approach enables the query manager to maintain the same query consistently in any representation. In the proposed multiparadigmatic environment, the user can switch from one interaction paradigm to another during query formulation, so that the most suitable query representation can be found.

Keywords

Visual query multiparadigmatic user interface data model query consistency 

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Copyright information

© Kluwer Academic Publishers 1994

Authors and Affiliations

  • Tiziana Catarci
    • 1
  • Shi Kuo Chang
    • 2
  • Giuseppe Santucci
    • 1
  1. 1.Dipartimento di Informatica e Sistemistica Università di Roma “La Sapienza,” Via SalariaRomaItaly
  2. 2.Department of Computer ScienceUniversity of PittsburghPittsburgh

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