Developing user interfaces: ensuring usability through product & process
Developing user interfaces: ensuring usability through product & process
An approach to the evaluation of assistive technology
Assets '96 Proceedings of the second annual ACM conference on Assistive technologies
Human-computer interaction
TeDUB: A System for Presenting and Exploring Technical Drawings for Blind People
ICCHP '02 Proceedings of the 8th International Conference on Computers Helping People with Special Needs
MultiVis: improving access to visualisations for visually impaired people
CHI '06 Extended Abstracts on Human Factors in Computing Systems
Lambda:: a multimodal approach to making mathematics accessible to blind students
Proceedings of the 8th international ACM SIGACCESS conference on Computers and accessibility
ACM SIGAPL APL Quote Quad - In honor of Kenneth E. Iverson
Haptic Rendering of Visual Data for the Visually Impaired
IEEE MultiMedia
A multimodal interactive system to create and explore graph structures
CHI '08 Extended Abstracts on Human Factors in Computing Systems
Toward haptic mathematics: why and how
AVI '08 Proceedings of the working conference on Advanced visual interfaces
Issues in Design and Implementation of Multimedia Software Systems
ICMCS '99 Proceedings of the IEEE International Conference on Multimedia Computing and Systems - Volume 2
Immersive authoring of Tangible Augmented Reality content: A user study
Journal of Visual Languages and Computing
LAMBDA: a european system to access mathematics with braille and audio synthesis
ICCHP'06 Proceedings of the 10th international conference on Computers Helping People with Special Needs
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Notation is a tool of thought, recording and communicating concepts and activities related to a domain of knowledge. In the history of mathematical notation, written notation is usually considered. However, to be an effective thinking tool, notation must be properly perceived. Blind and partially sighted people run into difficulty in making, exploring and understanding mathematical concepts conceived for being represented in multi-dimensional space. In this paper, we capitalize on the multifaceted nature of digital symbols to define multimodal digital notation for graph structures that allows blind and partially sighted people to represent graph structures, reason about them and communicate their reasoning with sighted people as well as each other. As support tool for notation proposed we have designed a multimodal interactive system, in which haptic signals play a crucial role. An evolutionary prototype of the system has been developed and evaluated according to the star life cycle model.