A developer of user interfaces (UI) should be able to employ a user interface pattern language to design acceptable user interfaces. But, what makes a good pattern language? Three...
Elisabeth G. Todd, Elizabeth A. Kemp, Chris Philli...
SOFL is a formal language and method for system specification and design. As a language it is an integration of Petri nets, Data Flow Diagrams, and VDM-SL. As a method it is a com...
Designers and architects regularly use piles to organize visual artifacts. Recent efforts have now made it possible for users to create piles in digital systems as well. However, ...
In this article, we develop a new method and an algorithm to solve a system of fuzzy relation equations. We first introduce a solution-base-matrix and then give a tractable mathema...
Zykov designed one of the oldest known family of triangle-free graphs with arbitrarily high chromatic number. We determine the fractional chromatic number of the Zykov product of ...