Websites and web applications that require user input via web forms can be a usability barrier for elderly users if not designed carefully. This issue is even compounded by a broad diversity of needs and preferences as observed in this group of users. In this paper, we report about a current study in which we prototypically implemented and empirically evaluated four exemplary patterns of user interface adaptation. These patterns allow for dynamic substitution and/or augmentation of user

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... e parts at runtime, with the goal of improving the individual usability for an elderly user in a specific use context. This approach could eventually lead to highly personalized web forms within GPII and URC enabled infrastructures.