User individuality management in websites based on WAI-ARIA annotations and ontologies

Valencia, Xabier; Arrue, Myriam; Pérez, J. Eduardo; Abascal, Julio

doi:10.1145/2461121.2461128

Cited by 13 publications

(7 citation statements)

References 23 publications

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“…The tool presented in this paper is framed in transcoding methods. In Valencia et al (2013), we described how our system, based on an extension of the WAI-ARIA (2016) annotation language, adapts web pages for people with disabilities using desktop devices.…”

Section: Introductionmentioning

confidence: 99%

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Adapting the Web for People With Upper Body Motor Impairments Using Touch Screen Tablets

Valencia

Pérez

Arrue

et al. 2017

Interacting With Computers

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People with disabilities frequently use the Internet to perform a variety of common activities; however, they may often encounter aggravated accessibility barriers when using mobile devices to access the Web. In order to alleviate the problems faced by this group when using mobile devices, we have extended a previously developed transcoding-based system that adapts nonaccessible web pages to the needs of specific users in order to enhance their accessibility. In this version, we included new adaptation techniques gathered from the literature in order to apply transcoding techniques to mobile devices. The enhanced system was evaluated with eight users with reduced mobility using tablets. The exploratory study suggests that alternative interaction methods such as the ones named 'end tap' and 'steady tap' are beneficial for some participants with reduced mobility, dexterity or strength in the upper limbs. Other results show that six of the eight users preferred the adapted version with enlarged interaction elements which required less physical effort, even if this adaptation increases the size of the page with the disadvantages associated with such a change. RESEARCH HIGHLIGHTS• Introduction and evaluation of a web transcoding system that adapts web pages for people with motor impairments who use touch screen devices.• Tagging the target websites with an extension of the WAI-ARIA mark-up language enabling web transcoding.• From the evaluation, transcoded pages were revealed to be the preferred option for most of the participants, as they require less physical effort.• Participants were classified in function of the type and size of finger movement for target selection on touch screen devices, in order to evaluate the performance of diverse alternative interaction methods or gestures.• Alternative interaction methods were tested by motor impaired users: 'end tap' and 'steady tap' proved to be helpful for people with less finger movement control.

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Section: Introductionmentioning

confidence: 99%

“…The transcoding system we presented previously (Valencia et al, 2013) has substantially evolved. In order to adapt the system to the mobile environment, new adaptation techniques were added such as the ones presented in the previous section.…”

Section: Introductionmentioning

confidence: 99%

Adapting the Web for People With Upper Body Motor Impairments Using Touch Screen Tablets

Valencia

Pérez

Arrue

et al. 2017

Interacting With Computers

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“…In a previous work [14], we identified several adaptation techniques for people with disabilities in the literature. In addition, a system for automatically adapting websites based on ontologies and WAI-ARIA was developed.…”

Section: Discussionmentioning

confidence: 99%

“…Valencia et. al [14] describe a system for automatically adapting websites according to the user characteristics based on an annotation derived from the roles and properties of WAI-ARIA. Currently, this system considers users with physical disabilities but it does not address the vast heterogeneity in navigation strategies and input devices that this group employs.…”

Section: Introductionmentioning

confidence: 99%

Exploratory study of web navigation strategies for users with physical disabilities

Pérez

Arrue

Valencia

et al. 2014

Proceedings of the 11th Web for All Conference

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Plenty of research works have been carried out to analyze users' behaviour when navigating on the Web. In this sense, the behaviour of people with disabilities has been one of the most explored issues in order to detect and mend the accessibility barriers they usually encounter. Many accessibility guidelines tend to gather people with similar disabilities in the same cluster and provide similar solutions for all of them. However, the navigation behaviour is affected not only by the type of disabilities but also by other variables such as Assistive Technology (AT) used or the level of expertise and website features. We conducted an exploratory study with 11 users with similar physical disabilities, specifically people with upper-body physical impairments. They performed two tasks on a website using their usual AT. This study shows the heterogeneity of their navigation strategies. In addition, these preliminary results bring to light several website adaptations which could improve their productivity and satisfaction.

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“…A study by Knutov et al [37] classified the works on adaptation as content, presentation and navigation adaptation. Valencia et al [38] claim that works on the adaptation of websites have largely been restricted to transcoding functionality and focused on "a single group" such as elderly people, people with limited mobility, and blind people. They sought to adapt web pages through the annotation approach based on WAI-ARIA 3 .…”

Section: Adaptation: Addressing Accessibility and Usabilitymentioning

confidence: 99%

A Case for Adaptation to Enhance Usability and Accessibility of Library Resource Discovery Tools

Beyene

Ferati

2017

Universal Access in Human–Computer Interaction. Design and Development Approaches and Methods

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Abstract. Library resource discovery tools (RDTs) are the latest generation of library catalogs that enable searching across disparate databases and repositories from a single search box. Although such "Google-like" experience has been applauded as a benefit for library users, there still exist usability and accessibility problems related to the diversity of user goals, needs, and preferences. To better understand these problems, we conducted an extensive literature review and in this process, we initially grouped issues into three categories: interface, resource description, and navigation. Based on these categories, we propose adaptation as an alternative approach to enhance the usability and accessibility of RDTs. The adaptations could be conducted on three levels pertaining to categories of issues found, namely: interface, information, and navigation level. The goal of this paper is to suggest how the process of adaptation could be considered to improve usability and accessibility of RDTs.

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User individuality management in websites based on WAI-ARIA annotations and ontologies

Cited by 13 publications

References 23 publications

Adapting the Web for People With Upper Body Motor Impairments Using Touch Screen Tablets

Adapting the Web for People With Upper Body Motor Impairments Using Touch Screen Tablets

Exploratory study of web navigation strategies for users with physical disabilities

A Case for Adaptation to Enhance Usability and Accessibility of Library Resource Discovery Tools

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