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Abstract. The large amount of data produced by automatic web accessibility evaluation has to be preprocessed in order to enable disabled users or policy makers to draw meaningful conclusions from the assessment. We study different methods for interpretation and aggregation of the results provided by automatic assessment tools. Current approaches do not meet all the requirements suggested in the literature. Based on the UCAB approach decribed in UWEM 0.5 we develop a new aggregation function targeted at the requirements.

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Abstract. In this paper we propose the Public Barrier Tracker (PBT) -a comprehensive solution that supports both filing and handling of user feedback on web accessibility. We give an overview of some existing approaches for gathering user feedback on accessibility barriers and outline the PBT functionality. The PBT can also offer further support for the implementation of the WAD: The collected data could be useful for monitoring and reporting as well as the enforcement mechanism.