Tracy Hammond, Randall Davis. Creating the perception-based LADDER sketch recognition language. In Olav W. Bertelsen, Peter Gall Krogh, Kim Halskov, Marianne Graves Petersen, editors, Proceedings of the Conference on Designing Interactive Systems, Aarhus, Denmark, August 16-20, 2010. pages 141-150, ACM, 2010. [doi]
Abstract is missing.