The user's view level of the GOQL graphical query language : WestminsterResearch

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Chapter title	The user's view level of the GOQL graphical query language
Authors	Keramopoulos, E., Pouyioutas, P. and Ptohos, T.
Editors	Banissi, E., Khosrowshahi, F., Sarfraz, M., Tathami, E. and Ursyn, A.
Abstract	The paper addresses issues related to the design of a graphical query mechanism that can act as an interface to any object-oriented database 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 support ad-hoc queries for object-oriented database applications. We illustrate, using an example, the user's view level of GOQL
Keywords	graphical user interfaces
	object-oriented databases
	query languages
	visual languages
	Database languages
	Database systems
	Object oriented modeling
	Object oriented databases
	GOQL graphical query language
	Graphical Object Query Language
Book title	Proceedings of the 1999 IEEE International Conference on Information Visualisation
Page range	81-86
Year	1999
Publisher	IEEE
Published	1999
Place of publication	Los Alamitos, USA
ISBN	0769502105
ISSN	1093-9547
Digital Object Identifier (DOI)	https://doi.org/10.1109/IV.1999.781540

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The user's view level of the GOQL graphical query language

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