Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/99470
Title: A graphical knowledge level approach for user-database interaction
Authors: Tan, K.P. 
Chan, H.C. 
Siau, K.L. 
Issue Date: 1990
Source: Tan, K.P.,Chan, H.C.,Siau, K.L. (1990). A graphical knowledge level approach for user-database interaction. Proceedings - IEEE Computer Society's International Computer Software & Applications Conference : 453-458. ScholarBank@NUS Repository.
Abstract: The authors propose a novel user interface, the Graphical Knowledge Level interface, for user-database interaction. This interface addresses two of the current research problems: the semantic inadequacy of the relational model and the logical data dependence of the relational languages. The interface is more user-friendly than the SQL interface and the Universal Relation interface as it employs the graphical approach. The semantic inadequacy problem is alleviated by using an enhanced entity-relationship model. This data model includes abstraction concepts such as aggregation, generalization, and categorization. A formal, high-level Graphical Knowledge Level Query Language, GKQL, which provides for both logical and physical data independence has also been designed.
Source Title: Proceedings - IEEE Computer Society's International Computer Software & Applications Conference
URI: http://scholarbank.nus.edu.sg/handle/10635/99470
ISSN: 07306512
Appears in Collections:Staff Publications

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