Antti Aaltonen

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Context-awareness can be used to decrease the need for interaction with a mobile device. This is increasingly important since the functionality of mobile devices and personal digital assistants gets more and more complex while the input and output capabilities remain restricted. An important aspect of context-awareness is to present the current context to(More)
The amount of data stored in personal digital devices increases rapidly as their memory capacities increase. These devices are usually equipped with relatively small displays, which makes presenting the information a challenge. We set out to explore the spatial design space for small screen user interfaces by incorporating additional dimensions into the(More)
Context-aware systems observe the user’s current context and apply this information to the user’s benefit. When implementing context-awareness, several issues need to be considered and this paper concentrates on presenting the context information to the user. The key components needed to construct the context are identified, and a model, which allows using(More)
Eye-aware applications have existed for long, but mostly for very special and restricted target populations. We have designed and are currently implementing an eye-aware application, called iDict, which is a general-purpose translation aid aimed at mass markets. iDict monitors the user's gaze path while s/he is reading text written in a foreign language.(More)
We propose a method for carrying out enhanced collaborative searches, called meta-searches, in peer-to-peer networks. In addition to performing regular searches, our method supports searches based on other network users’ previous searches on the same or similar topic. In essence, when a user performs a search, s/he will receive not only the usual result(More)
A person may use many devices capable of rendering digital content on a regular basis. For instance, the user is in front of a large TV screen, and soon he or she moves away from the TV and wants to continue the media consumption. The transfer of media content across devices needs to be handled seamlessly. In this paper, we present a phone-centric approach(More)
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