Constantine, LarryCampos, Pedro2022-09-142022-09-142005Constantine, L., & Campos, P. (2005, October). CanonSketch and TaskSketch: innovative modeling tools for usage-centered design. In Companion to the 20th annual ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications (pp. 162-163).http://hdl.handle.net/10400.13/4606Two experimental tools to support usage-centered design using essential use cases and canonical abstract prototypes are described. The models and methods of usage-centered design are outlined and the new tools are described briefly.engCanonical abstract prototypeAbstract user interfacesUser interface designUsage-centered design essential use casesTask casesTask modeling.Faculdade de Ciências Exatas e da Engenhariaconference object10.1145/1094855.1094914