 | 2009 |
| 4 |  | Helder Ferreira,
Lino Figueiredo,
António Meireles:
INPERLYS - Independent Personal Location System.
AMIF 2009: 93-100 |
| 2004 |
| 3 |  | Helder Ferreira,
Diamantino Freitas:
Enhancing the Accessibility of Mathematics for Blind People: The AudioMath Project.
ICCHP 2004: 678-685 |
| 2 |  | Helder Ferreira,
Diamantino Freitas:
Audio Rendering of Mathematical Formulae Using MathML and AudioMath.
User Interfaces for All 2004: 391-399 |
| 2002 |
| 1 |  | Diamantino Freitas,
António Moura,
Daniela Braga,
Helder Ferreira,
João Paulo Teixeira,
Maria João Barros,
Paulo Gouveia,
Vagner Latsch:
A Project of Speech Input and Output in an E-commerce Application.
PorTAL 2002: 141-150 |