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Lifestyles are a valuable model for understanding individuals’ physical and mental lives, comparing social groups, and making recommendations for improving people's lives. In this paper, we examine and compare lifestyle behaviors of people living in cities of different sizes, utilizing freely available social media data as a large-scale, low-cost alternative to traditional survey methods. We use the...
When looking for a restaurant online, user uploaded photos often give people an immediate and tangible impression about a restaurant. Due to their informativeness, such user contributed photos are leveraged by restaurant review websites to provide their users an intuitive and effective search experience. In this paper, we present a novel approach to inferring restaurant types or styles (ambiance,...
This article proposes a new model for clustering individual nodes based on node’s interrelation with a real-life mining application. The model is capable of detecting a network topology based on information flow and therefore could be easily extended and applied in a variety of today’s research fields. E.g. discover audience group sharing similar attitude, or retrieve authors’ academic referencing...
Accurate home location is increasingly important for urban computing. Existing methods either rely on continuous (and expensive) GPS data or suffer from poor accuracy. In particular, the sparse and noisy nature of social media data poses serious challenges in pinspointing where people live at scale. We revisit this research topic and infer home location within 100 by 100 meter squares at 70% accuracy...
As described in Michael Lewis' Money ball: The Art of Winning an Unfair Game, a baseball player's On Base Percentage is a good metric for rating players' usefulness or productivity. What metrics can be used for gauging a professor's performance? Is there a correlation between salary and these metrics? Are these metrics more accurate for certain fields of study? Is the currently popular practice of...
Through field investigation and room experiment, the litter amount, water holding capacity and water holding speed of the litter under six kinds of forest beside Songhua river was studied. The forest order of the Litter amount from high to low was Pinus koraiensis plantation, Fraxinus mandshurica- Larix olgensis forest, Tilia mandshurica Forest, Quercus monglica forest, Fraxinus mandshurica- Populusdavidiana...
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