179 research outputs found
Group Modeling : selecting a sequence of television items to suit a group of viewers
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The Effectiveness of Personalized Movie Explanations : An Experiment Using Commercial Meta-data
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Adapting Progress Feedback and Emotional Support to Learner Personality
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Layered evaluation of interactive adaptive systems : framework and formative methods
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Reference and Gestures in Dialogue Generation: Three Studies with Embodied Conversational Agents
This paper reports on three studies into social presence cues which were carried out in the context of the NECA (Net-environment for Embodied Emotional Conversational Agents) project and the EPOCH network. The first study concerns the generation of referring expressions. We adopted an existing algorithm for generating referring expressions such that it could run according to an egocentric and a neutral strategy. In an evaluation study, we found that the two strategies were correlated with the perceived friendliness of the speaker. In the second and the third study, we evaluated the gestures that were generated by the NECA system. In this paper, we briefly summarize the most salient results of these two studies. They concern the effect of gestures on perceived quality of speech and information retention
Incorporating Constraints into Matrix Factorization for Clothes Package Recommendation
Recommender systems have been widely applied in the literature to suggest individual items to users. In this paper, we consider the harder problem of package recommendation, where items are recommended together as a package. We focus on the clothing domain, where a package recommendation involves a combination of a "top'' (e.g. a shirt) and a "bottom'' (e.g. a pair of trousers). The novelty in this work is that we combined matrix factorisation methods for collaborative filtering with hand-crafted and learnt fashion constraints on combining item features such as colour, formality and patterns. Finally, to better understand where the algorithms are underperforming, we conducted focus groups, which lead to deeper insights into how to use constraints to improve package recommendation in this domain
Kindness is contagious : Exploring engagement in a gamified persuasive intervention for wellbeing
The authors would like to acknowledge and thank all the volunteers who participated in this pilot study and provided helpful comments. The first author is funded by an EPSRC doctoral training grant.Peer reviewedPublisher PD
Designing emotional support messages tailored to stressors
Acknowledgements This work was funded by the RCUK Digital Economy award to the dot.rural Digital Economy Hub, University of Aberdeen; award reference: EP/G066051/1. The dataset used by this paper can be acquired by emailing the first author. We thank Matt Dennis, Kirsten A. Smith and Michael Gibson for their contributions to the research.Peer reviewedPublisher PD
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