Eduardo Velloso

Methodological Standards in Accessibility Research on Motor Impairments: A Survey

Zhanna Sarsenbayeva, Niels Van Berkel, Eduardo Velloso, Jorge Goncalves, Vassilis Kostakos

Journal article  |  2023  |  ACM COMPUTING SURVEYS

The design and evaluation of accessibility technology is a core component of the computer science landscape, aiming to ensure that..

Mapping 20 years of accessibility research in HCI: A co-word analysis

Zhanna Sarsenbayeva, Niels van Berkel, Danula Hettiachchi, Benjamin Tag, Eduardo Velloso, Jorge Goncalves, Vassilis Kostakos

Journal article  |  2023  |  International Journal of Human-Computer Studies

Directive Explanations for Actionable Explainability in Machine Learning Applications

Ronal Singh, Tim Miller, Henrietta Lyons, Liz Sonenberg, Eduardo Velloso, Frank Vetere, Piers Howe, Paul Dourish

Journal article  |  2023  |  ACM Transactions on Interactive Intelligent Systems

In this paper, we show that explanations of decisions made by machine learning systems can be improved by not only explaining ..

Movement Guidance using a Mixed Reality Mirror

Q Zhou, A Irlitti, D Yu, J Goncalves, E Velloso

Conference Proceedings  |  2022  |  DIS 2022 - Proceedings of the 2022 ACM Designing Interactive Systems Conference: Digital Wellbeing

Mirror reflections offer an intuitive and realistic Mixed Reality (MR) experience comparable to other MR interfaces. Their high vi..

The Relative Contribution of Language Complexity to Second Language Video Lectures Difficulty Assessment

Emad A Alghamdi, Paul Gruba, Eduardo Velloso

Journal article  |  2022  |  MODERN LANGUAGE JOURNAL

Although core in the teaching of academic language skills, little research to date has investigated what makes video-recorded lect..

An Online Unsupervised Dynamic Window Method to Track Repeating Patterns From Sensor Data

Yousef Kowsar, Masud Moshtaghi, Eduardo Velloso, Christopher Leckie, Lars Kulik

Journal article  |  2022  |  IEEE TRANSACTIONS ON CYBERNETICS

Short bursts of repeating patterns [intervals of recurrence (IoR)] manifest themselves in many applications, such as in the time-s..

To Type or to Speak? The Effect of Input Modality on Text Understanding During Note-Taking

Anam Ahmad Khan, Sadia Nawaz, Joshua Newn, Ryan Kelly, Jason Lodge, James Bailey, Eduardo Velloso

Conference Proceedings  |  2022  |  Proceedings of the ACM SIGCHI Conference on Human Factors in Computing Systems

Though recent technological advances have enabled note-taking through diffrent modalities (e.g., keyboard, digital ink, voice), th..

What's the Appeal? Perceptions of Review Processes for Algorithmic Decisions

H Lyons, S Wijenayake, T Miller, E Velloso

Conference Proceedings  |  2022  |  Conference on Human Factors in Computing Systems - Proceedings

If you were significantly impacted by an algorithmic decision, how would you want the decision to be reviewed? In this study, we e..

Integrating Gaze and Speech for Enabling Implicit Interactions

AA Khan, J Newn, J Bailey, E Velloso

Conference Proceedings  |  2022  |  Conference on Human Factors in Computing Systems - Proceedings

Gaze and speech are rich contextual sources of information that, when combined, can result in effective and rich multimodal intera..

Blending On-Body and Mid-Air Interaction in Virtual Reality

D Yu, Q Zhou, T Dingler, E Velloso, J Goncalves

Conference Proceedings  |  2022  |  Proceedings - 2022 IEEE International Symposium on Mixed and Augmented Reality, ISMAR 2022

On-body interfaces, which leverage the human body's surface as an input or output platform, can provide new opportunities for desi..