Monitoring and measuring the accessibility of government Web sites is an important challenge for regulators and policy makers. Moreover, over the next few years, e-government (e-gov) services are expected to expand and it is necessary to ensure access for everyone. In this paper, we present a metric based approach for evaluating municipalities Web pages using automatic accessibility evaluation tools. The sampling of the pages was done by the tool E-GOVMeter, and the accessibility evaluation and generation of the metrics was done by means of an adaptation of the tool Hera. The results show that much work should be done to improve the accessibility of Brazilian municipalities Web sites. Although it has limitations, the use of automatically generated accessibility metrics is a powerful tool for helping measuring and monitoring the accessibility of e-gov Web sites.

Over the past few years, communication and interaction issues have become even more important during the development of web-based applications, due to the variety of user types that can work together. In this paper we describe the adoption of a ModelDriven Development (MDD) approach to support a feasible way to help developers to take into account the issues related to this variety of users in the Web. In general, a good design of the interactions and communication issues implies in high cost and time consuming tasks, and requires that developers be flexible and rapidly change the conception of the interfaces. The meta-models approach presented in this paper aims at mapping interaction and communication requirements in a practical and useful way during the web application development.

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Accessibility is an important quality attribute for Web applications. The W3C has defined a set of guidelines that must be followed to deploy accessible web applications, however there is no process that support WCAG requirements during the software development lifecycle. This work proposes the inclusion of the WCAG 2.0 accessibility concerns in a Model-Driven Development, more specifically in the WebML process.

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