SOCIALCARE – A Social Care Network for Citizen Empowerment and Care Support in Local Communities

In the current economic climate with cutbacks in care and social wellbeing, we are witness of a social innovation process where citizens and older people are taking control of their own community and neighborhood and support each other to provide for wellbeing and care services. When older people are becoming frailer and are in need of care, they can receive extensive support from these communities. At the same time, older people (65+) are...

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Recognizing User Tasks from Interaction Sequences

Almost every time we use a piece of technology, data about the usage is tracked. It seems like everybody is interested in how people behave, how they execute various tasks. This knowledge can be very valuable for marketing purposes, but it also allows developers to find bugs/errors in their applications. Focusing on the usability of applications, it would be very helpful to know what a user wants to do and match this expectation with the result...

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GrouPix – Grouping Multiple Android Devices to One Screen

The main goal of this work was to develop an application which allows to connect the displays of multiple mobile devices for the purpose of showing images on a larger screen. These connected devices should form a group which allows to show selected images by splitting them up across the displays of group members. Particular challenges were the support of different display sizes and the provision of simple and intuitive means for adding new...

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Personalized Interaction with Multiple Items on Interactive Surfaces

Current interactive surfaces do not support user identifi cation. Hence, personalized applications that consider user-specifi c access control are not possible. Diverse approaches for identifying and distinguishing users have been investigated in previous research. Token-based approaches – e.g., which utilize the user’s mobile phone – are especially promising, as they also allow for consideration of the user’s personal...

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A/B Testing of Native Mobile Applications

A/B tests or split tests are controlled experiments just like many other test variants. The main difference is that A/B tests are conducted while the product is used by everyday users, not during the production phase in a laboratory environment. In an A/B test, users are randomly split into two (or more) groups. Each group is then presented a different version of the user interface, which ranges from slight variations in the interface (like the...

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AUToMAte – Automated Usability Testing of Mobile Applications

The primary goal of the project is the development of an automated procedure for the effective and efficient implementation of usability tests on mobile platforms. It should support tests with an arbitrarily large number of users, over a long period of time, with the incorporation of the context of use (e.g. activity and viewing direction) and under real-world conditions. It will be prototypically implemented using state-of-the-art...

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