The World-Wide Web: quagmire or gold mine?
Communications of the ACM
ACM SIGKDD Explorations Newsletter
CTTE: support for developing and analyzing task models for interactive system design
IEEE Transactions on Software Engineering
A foundation for tool based mobility support for visually impaired web users
WWW '03 Proceedings of the 12th international conference on World Wide Web
Automatic Discovery of Semantic Structures in HTML Documents
ICDAR '03 Proceedings of the Seventh International Conference on Document Analysis and Recognition - Volume 1
Accessibility: a Web engineering approach
WWW '05 Proceedings of the 14th international conference on World Wide Web
A Learning Approach to Discovering Web Page Semantic Structures
ICDAR '05 Proceedings of the Eighth International Conference on Document Analysis and Recognition
SADIe: Structural semantics for accessibility and device independence
ACM Transactions on Computer-Human Interaction (TOCHI)
Patterns in task-based modeling of user interfaces
TAMODIA'07 Proceedings of the 6th international conference on Task models and diagrams for user interface design
ConstructFinder: web site interaction made easier
Proceedings of the 3rd International Conference on PErvasive Technologies Related to Assistive Environments
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Misleading user interfaces and overloaded web sites are some of the reasons why users avoid certain web sites while searching for information on the world wide web. In order to improve the usability and accessibility of web sites, techniques which take the semantic structure of the web documents into account have to be employed. The semantic analysis approach described in this paper aims at recognizing those parts within web documents that are particularly relevant for a specific usage scenario. Different combinations of syntactical constructs are mapped to different analysis classes whose semantic constructs correspond to concrete interaction tasks predefined in task models. The task models are used as a workflow guiding the user through the shopping procedure, whereby for each identified task a corresponding semantic concept on the web site is identified. The described techniques will be embedded in a so called screen reader application for visually impaired people who do not have the ability to use a graphical display.