34 research outputs found

    Using latent features diversification to reduce choice difficulty in recommendation lists

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    Ail important side effect of using recoinmender systems is a phenomenon called "choice overload"; the negative feeling incurred by the increased difficulty to choose from large sets of high quality recommendations. Choice overload has traditionally been related to the size of the item set, but recent work suggests that the diversity of the item set is an important moderator. Using the latent feanires of a matrix factorization algorithm, we were able to manipulate the diversity of the items, while controlling the overall attractiveness of the list of recommendations. In a user study, participants evaluated personalized item lists (varying in level of diversity) on perceived diversity and attractiveness, and their experienced choice difficulty and tradeoff difficulty. The results suggest that diversifying the recommendations might be an effective way to reduce choice overload, as perceived diversity and attractiveness increase with item set diversity, subsequently resulting in participants experiencing less tradeoff difficulty and choice difficulty.</p

    Kengetallen voor de vleesvarkenshouderij geĂĽniformeerd

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    Vleesvarkenshouders kunnen nu hun bedrijfsresultaten vergelijken met die van hun collegae. Er zijn afspraken gemaakt over een standaardoverzicht van kengetallen en over een uniforme berekening van deze kengetallen

    Feeling Safe in the Dark : Examining the Effect of Entrapment, Lighting Levels, and Gender on Feelings of Safety and Lighting Policy Acceptability

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    This research examined to what extent physical factors, notably lighting and entrapment (blocked escape), and individual factors, notably gender, affect feelings of safety and the acceptability of reduced lighting levels. The authors reasoned that acceptability of reduced street lighting depends on perceived safety, which in turn depends on entrapment, lighting, and gender. Virtual representations of a residential street were used, systematically manipulating entrapment and lighting levels. As expected, people felt less safe in lower lighting and higher entrapment settings, and these settings were evaluated as less acceptable. Although women perceived a situation as less safe compared with men, the authors found no gender differences in acceptability, which extends previous research. Importantly, as hypothesized, perceived safety mediated the effect of lighting on acceptability levels, suggesting that people can accept lower lighting levels when social safety is not threatened

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    Globalisation in the dairy industry.

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    Fenomenologie als houding. Bijdragen aan een fenomenologische wijsbegeerte

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    Contains fulltext : 182896pub.pdf (publisher's version ) (Closed access

    Kengetallen voor de vleesvarkenshouderij geĂĽniformeerd

    No full text
    Vleesvarkenshouders kunnen nu hun bedrijfsresultaten vergelijken met die van hun collegae. Er zijn afspraken gemaakt over een standaardoverzicht van kengetallen en over een uniforme berekening van deze kengetallen
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