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      VISIONARY: a Visual Query Language Based on the User Viewpoint Approach

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      Proceedings of the 3rd International Workshop on Interfaces to Databases, Napier University, Edinburgh (IDS-3)

      Interfaces to Databases

      8-10 July 1996

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          Abstract

          Query languages for RDBMSs lack in intuitive understanding; this precludes inexperienced users from taking advantage of them. The adoption of a visual interface can simplify the query formulation process by enabling users to interact with a friendly environment. In this work we propose a visual query language based on a hybrid iconic-diagrammatic paradigm, used for both data and query representation. The external data model is called vision and comprises the visual primitives of concept - represented by the combination of text and icon, and association - represented by a name and a multiplicity for each possible orientation. The external query model is based on the definition of a user viewpoint, which is a perspective for accessing data defined dynamically by selecting a concept of primary interest for formulating each query.

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          Most cited references 3

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          QBD*: a graphical query language with recursion

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            SUPER Visual Interfaces for Object + Relationship Data Models

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              • Record: found
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              • Book Chapter: not found

              An SQL extension supporting user viewpoints

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                Author and article information

                Conference
                July 1996
                July 1996
                : 1-10
                Affiliations
                C.d.L. in Scienze dell’Informazione, Università di Bologna

                Cesena, Italy
                DEIS, Università di Bologna

                Bologna, Italy
                Article
                10.14236/ewic/IDS1996.3
                © Francesca Benzi et al. Published by BCS Learning and Development Ltd. Proceedings of the 3rd International Workshop on Interfaces to Databases, Napier University, Edinburgh

                This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

                Proceedings of the 3rd International Workshop on Interfaces to Databases, Napier University, Edinburgh
                IDS-3
                3
                Edinburgh
                8-10 July 1996
                Electronic Workshops in Computing (eWiC)
                Interfaces to Databases
                Product
                Product Information: 1477-9358BCS Learning & Development
                Self URI (journal page): https://ewic.bcs.org/
                Categories
                Electronic Workshops in Computing

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