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نویسندگان
چکیده
$EVWUDFW Generally, user modeling concerns a person interacting with a standing console. This scenario does not represent the +\SHU$XGLR system in use: a visitor freely moves in a museum, gathering information from an adaptive and portable electronic guide. To provide designers with presumptive user behavior, data about visitor profiles and visit styles were collected through a questionnaire. The study pointed out unpredicted situations (e.g., the importance of social context) and confirmed some working hypotheses (e.g., the relevance of visit span). This paper reports on this experience, describing how to go from designer questions to guidelines for user modeling, making the best use of empirical data.
منابع مشابه
Fusion of two subunits does not impair the function of a [NiFeSe]-hydrogenase in the archaeon Methanococcus voltae.
[NiFe]-hydrogenases generally carry the bimetallic Ni-Fe reaction center on their largest subunit. The [NiFeSe]-hydrogenase Vhu from Methanococcus voltae has an unusual subunit composition. Some of the amino acids participating in the formation of the reaction center are within a separate, very small subunit, called VhuU. It consists of only 25 amino acids and contains the selenocysteinyl resid...
متن کاملSome Estimates of Necessary Number of Connections and Hidden Units for Feed-Forward Networks
The feed-forward networks with fixed hidden units (FllU-networks) are compared against the category of remaining feed-forward networks with variable hidden units (VHU-networks). Two broad classes of tasks on a finite domain X C R n are considered: approximation of every function from an open subset of functions on X and representation of every dichotomy of X. For the first task it is found that...
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متن کاملProspects for Hydrogen Production from Formate by Methanococcus maripaludis
Most methanogenic Archaea are hydrogenotrophic, specializing in the use of hydrogen to reduce CO2 to methane. Even though these organisms have multiple hydrogenases that use hydrogen, there is good potential to use them for the net production of hydrogen. This is because some species can use alternative electron donors, most notably formate, and because some species have nitrogenases that can p...
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تاریخ انتشار 1999