Sam Zorowitz

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A folksonomy is ostensibly an information structure built up by the "wisdom of the crowds", but is the "crowd" really doing the work? Tagging is in fact a sharply skewed process in which a small minority of users generate an overwhelming majority of the annotations. Using data from the social music site Last.fm as a case study, this paper explores the(More)
Electrodermal activity (EDA) is a measure of physical arousal, which is frequently measured during psychophysical tasks relevant for anxiety disorders. Recently, specific protocols and procedures have been devised in order to examine the neural mechanisms of fear conditioning and extinction. EDA reflects important responses associated with stimuli(More)
A folksonomy is ostensibly an information structure built up by the " wisdom of the crowd " , but is the " crowd " really doing the work? Tagging is in fact a sharply skewed process in which a small minority of " supertagger " users generate an overwhelming majority of the annotations. Using data from three large-scale social tagging platforms, we explore(More)
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