Third International Conference on Information Visualisation (IV'99)
The User's View Level of the GOQL Graphical Query Language
London, England
July 14-July 16
ISBN: 0-7695-0210-5
The paper addresses issues related to the design of a graphical query mechanism that can act as an interface to any Object-Oriented Data Base System (OODBS), in general, and the Object Model of ODMG 2.0, in particular. In the paper, a brief literature survey of related work is given, and an analysis methodology that allows the evaluation of such languages is proposed. Moreover, the User?s View level of a new graphical query language, namely GOQL (Graphical Object Query Language), for ODMG 2.0 is presented. The User?s View level provides a graphical schema that does not contain any of the perplexing details of an object-oriented database schema, and it also provides a foundation for a graphical interface that can supports ad-hoc queries for object-oriented database applications. Herein we illustrate, using an example, the User?s View level of GOQL.
Index Terms:
Object-Oriented Databases, query languages, graphical interfaces, grqphical query languages, object model, data model, human computer interaction
Citation:
Euclid Keramopoulos, Tasos Ptohos, Philippos Pouyioutas, "The User's View Level of the GOQL Graphical Query Language," iv, pp.81, Third International Conference on Information Visualisation (IV'99), 1999