TWO YUMMY LIBRARIES! Ruby Facets is the single largest collection of core extension methods and standard library additions available for the Ruby programming language.
R. Capra, G. Marchionini, J. Oh, F. Stutzman, und Y. Zhang. JCDL '07: Proceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries, Seite 442--451. New York, NY, USA, ACM, (2007)
K. Yee, K. Swearingen, K. Li, und M. Hearst. CHI '03: Proceedings of the conference on Human factors in computing systems, Seite 401--408. ACM Press, (2003)
U. Priss. Working with Conceptual Structures. Proceedings of the 8th International Conference on Conceptual Structures, Seite 84-94. Aachen, Shaker Verlag, (2000)