This paper outlines a strategy and suite of tools for creating more accessible and personalizable web content by supporting the creation of accessibility metadata. The tools showcased below allow content creators to easily generate metadata at the point of creation, reducing the cost and complexity of producing and delivering content that can be tailored to a user's needs and preferences.This work follows the AccessForAll approach, which focuses on meeting individual user's needs by matching those needs to appropriate content [1]. This level of personalization depends upon both the availability of infrastructure that can deliver alternative and adapted versions, and on the availability of content with accessibility metadata that can be used in the matchmaking process.
The PEBBLES communication system, designed to link children in the hospital with their regular classrooms, has progressed through three major development and evaluation phases. Many of the design and human factors issues (e.g., daily curriculum planning and co-ordination between two teachers in distant locations, and the need for an appropriate attention device) discovered through this process are unique from other video-mediated communication systems because PEBBLES must support both academic and social tasks with children as users. While technical limitations such as bandwidth and audio tidelitv remain as oroblems to solve with PEBBLES, the system has been successful in providing students with a high level of t&presence in their classrooms INTRODUCTION
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