Formal Foundation of Web Navigation Stereotypes and Their Transformation into XML
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One of the most important needs within hypermedia systems is concise and easy to follow navigation support. Unfortunately many web-based systems are overloaded with hyperlinks bearing the risk of “getting lost” within the site, which leads subsequently to frustrated end users and less frequency of the site. To solve this problem web navigation patterns which represent well-established navigation paths within hypermedia systems have been proposed in the literature and have consequently been integrated into web design languages.
Feeling the need for a formal foundation we propose a labeled graph which describes the overall navigational structure of web-based systems. This graph constitutes a basis for the formal definition of web navigation patterns which are in turn the base for high-level UML stereotypes. These UML stereotypes are transformed into XML structures and finally into HTML. This approach to support navigation design of web-based systems is exemplified using the case of the filtered index navigation pattern.
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