Information Director

Information Director

-  95 posts

Tiago Guerreiro is an Assistant Professor at the Department of Informatics, Faculty of Science of the University of Lisbon, and a researcher at LaSIGE. His research focuses on mobile accessibility, text-entry, and on accessible and usable privacy. He has focused most of his efforts on improving the quality of life of blind and visually impaired people, people with motor impairments, and people with dementia. He was a local chair for ASSETS 2015 and has collaborated in several other editions, as an organizer, committee member, and author. Tiago holds MSc (2008) and PhD (2012) degrees from TĂ©cnico, University of Lisbon, both in Information Systems and Computer Engineering.

Using a Common Accessibility Profile to Improve Accessibility

A reference model is presented to act as a theoretical foundation. This Universal Access Reference Model (UARM) focuses on the accessibility of the interaction between users and systems, and provides a mechanism to share knowledge and abilities between users and systems.

Continue reading →

ASSETS 2007

Continue reading →

Evaluation of a Haptic Tongue Device

This thesis improves a prototype device that has been built to fit onto the tongue and receive visual information in a tactile form

Continue reading →

2007 Best Student Paper

Slipping and Drifting: Using Older Users to Uncover Pen-Based Target Acquisition Difficulties

Continue reading →

2007 Best Paper

Evaluating American Sign Language Generation Through the Participation of Native ASL Signers

Continue reading →

Individual-Technology Fit: Matching Individual Characteristics and Features of Biometric Interface Technologies with Performance

biometric describes physiological measures that may be used for non-muscularly controlled computer applications, such as brain-computer interfaces

Continue reading →

The Disability Divide: A Study into the Impact of Computing and Internet-related Technologies on People who are Blind or Vision Impaired

The purpose of this study was to find the reasons behind this digital divide for people with disabilities and provide solutions.

Continue reading →

ASSETS 2006

Continue reading →

Socio-Technical Environments Supporting Distributed Cognition for Persons with Cognitive Disabilities

MAPS (Memory Aiding Prompting System), aims to provide a simple effective prompting system for individuals with cognitive disabilities with an interface for designing prompting scripts by caregivers

Continue reading →

The Accessibility and Usability of Websites: Relationships between Measures from Users, Experts and Guidelines

Overall, the main outcome from this study shows that the severity ratings provided by the accessibility and usability guidelines are not valid: although researchers and participants agree each other both within and between groups, there is no agreement with the guidelines’ ratings of severity.

Continue reading →