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Recently, the use of mobile search among co-located groups to satisfy casual, shared information needs has grown in popularity. In this paper we describe a proof-of-concept research prototype, which is designed to enhance such social experiences by providing an easy means of interacting with and sharing mobile Web content among co-located groups. We present(More)
In this paper we present a metaphor of an Imaginary Friend that walks along with the user. Due to a special bond with the user, the Imaginary Friend can see the emotions that the human companion is feeling glowing around her. As the user moves around she leaves behind emotion cookies that the Imaginary Friend will collect and treasure. In order to enable(More)
Casual and pervasive games are difficult to merge. It would be interesting to bring the advantages of pervasive play to the mass market to which casual games are designed for. In this article, a merge of pervasive and casual is proposed through the influence of real weather in the games. A framework that integrates a Weather Module, which retrieves and(More)
This paper presents a case study regarding the usability evaluation of navigation tasks by people with intellectual disabilities. The aim was to investigate the factors affecting usability, by comparing their user-Web interactions and underline the difficulties observed. For that purpose, two distinct study phases were performed: the first consisted in(More)
The aim of this work was the simultaneous determination of both ketoacids and dicarbonyl compounds in wine. To detect ketoacid compounds in wine, a method based on the quinoxaline derivatives by the reaction with diaminobenzene, currently employed to detect alpha-dicarbonyl compounds, was developed. The quinoxaline derivatives were detected by RP-HPLC with(More)
Typically, in digital entertainment, the screen is the center of the player's attention. If the real world was part of the gameplay, the player would also pay attention to what is happening around her. That is the case of pervasive games. Our objective is to find ways of making pervasive play available for a large casual audience, but in a way that casual(More)
In this paper a strategy is presented for the dissemination of traditional stories via an interaction between the real world and the virtual world. In our game the player will not be isolated in front of the monitor and will have to call upon others to be successful. The game is a stimulus for players to discover a country's history having legends as a(More)