The visual query language for an object-oriented knowledge-based system

Ming Xu Ming Xu,Yi-Jie Wang Yi-Jie Wang,Kang Zhang Kang Zhang,Yanchun Zhang Yanchun Zhang,Yong-Jun Wang Yong-Jun Wang

doi:10.1109/dante.1999.844986

The visual query language for an object-oriented knowledge-based system

Ming Xu Ming Xu, Yi-Jie Wang Yi-Jie Wang + Show 3 more

https://doi.org/10.1109/dante.1999.844986

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Publication Date: Nov 28, 1999

Affiliation: National Bureau of Soil Survey and Land Use Planning, Macquarie University, University of Southern Queensland

#Visual Language #Visual Query Language + Show 8 more

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Abstract

The user interface of the object-oriented knowledge-based system CAOBS/v1.2 is a visual query subsystem consisting of a flexible visual query language (VKQL), and a knowledge base browser/editor. With the visual language, the user can express query requirements by constructing query graphs. VKQL absorbs the key features of some existing visual query languages, and adds more advanced functions. The paper presents the design and implementation of VKQL and compares VKQL with other similar query languages.

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