The accessibility and usability of websites: an empirical exploration
This event took place on Friday 13 May 2005 at 12:30
Prof. Helen Petrie Centre for Human Computer Interaction Design, City University London
The Web is a wonderful source of information for everyone, but for people with disabilities it is particularly important, as other sources of information may be inaccessible. The World Wide Web Consortium realized quite early the potential of the Web in providing equal access to information for disabled users and initiated the Web Accessibility Initiative (WAI) which developed the Web Content Accessibility Guidelines (WCAG) to help web developers create content that is accessible to all users. However, the empirical basis for these guidelines has not been explored ? are websites that conform to the guidelines accessible to users with disabilities and what is the relationship of accessibility to usability? This presentation will explore these issues using data collected in two large empirical studies of the accessibility of the Web.
About the speaker:
Helen Petrie is Professor of Human Computer Interaction at the Centre for Human Computer Interaction Design at City University London. Her main interests are the design and evaluation of technologies for disabled and elderly people, particularly the design and evaluation of the Web, and the psychological implications of new technologies such as the Web, mobile phones, instant messaging and text messaging.
This event took place on Friday 13 May 2005 at 12:30
Prof. Helen Petrie Centre for Human Computer Interaction Design, City University London
The Web is a wonderful source of information for everyone, but for people with disabilities it is particularly important, as other sources of information may be inaccessible. The World Wide Web Consortium realized quite early the potential of the Web in providing equal access to information for disabled users and initiated the Web Accessibility Initiative (WAI) which developed the Web Content Accessibility Guidelines (WCAG) to help web developers create content that is accessible to all users. However, the empirical basis for these guidelines has not been explored ? are websites that conform to the guidelines accessible to users with disabilities and what is the relationship of accessibility to usability? This presentation will explore these issues using data collected in two large empirical studies of the accessibility of the Web.
About the speaker:
Helen Petrie is Professor of Human Computer Interaction at the Centre for Human Computer Interaction Design at City University London. Her main interests are the design and evaluation of technologies for disabled and elderly people, particularly the design and evaluation of the Web, and the psychological implications of new technologies such as the Web, mobile phones, instant messaging and text messaging.
Future Internet
KnowledgeManagementMultimedia &
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HypermediaNew Media SystemsSemantic Web &
Knowledge ServicesSocial Software
Semantic Web and Knowledge Services is...
Our research in the Semantic Web area looks at the potentials of fusing together advances in a range of disciplines, and applying them in a systemic way to simplify the development of intelligent, knowledge-based web services and to facilitate human access and use of knowledge available on the web. For instance, we are exploring ways in which tnatural language interfaces can be used to facilitate access to data distributed over different repositories. We are also developing infrastructures to support rapid development and deployment of semantic web services, which can be used to create web applications on-the-fly. We are also investigating ways in which semantic technology can support learning on the web, through a combination of knowledge representation support, pedagogical theories and intelligent content aggregation mechanisms. Finally, we are also investigating the Semantic Web itself as a domain of analysis and performing large scale empirical studies to uncover data about the concrete epistemologies which can be found on the Semantic Web. This exciting new area of research gives us concrete insights on the different conceptualizations that are present on the Semantic Web by giving us the possibility to discover which are the most common viewpoints, which viewpoints are mutually inconsistent, to what extent different models agree or disagree, etc...
Our aim is to be at the forefront of both theoretical and practical developments on the Semantic Web not only by developing theories and models, but also by building concrete applications, for a variety of domains and user communities, including KMi and the Open University itself.
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