Roghayeh Feizi

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Nearly all previous work on geo-locating latent states and activities from social media confounds general discussions about activities, self-reports of users participating in those activities at times in the past or future, and self-reports made at the immediate time and place the activity occurs. Activities, such as alcohol consumption, may occur at(More)
There has been an explosion of research on analyzing social media to map human behavior relevant to public health, such as drinking or drug use. However, it is important not only to detect the local regions where these activities occur, but also to analyze the degree of participation in them by local residents. We develop powerful new methods for(More)
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