The geographical origin of kimchi is of interest to consumers and producers because the prices of commercial kimchi products can vary significantly according to the geographical origin. Hence, social issues related to the geographical origin of kimchi in Korea have emerged as a major problem. In this study, the geographical origin of kimchi was determined by comparing the mass fingerprints obta...

Point-of-Interest (POI) recommendation is a significant service for location-based social networks (LBSNs). It recommends new places such as clubs, restaurants, and coffee bars to users. Whether recommended locations meet users’ interests depends on three factors: user preference, social influence, and geographical influence. Hence extracting the information from users’ check-in records is the ...

Social scientists have long sought to understand the cultural production system. Such research elucidates the importance of the social milieu to cultural industries. We capture aggregate patterns of the social milieu and the geographical form it takes. We use a unique data set, Getty Images and geo-coded over 6000 events and 300,000 photographic images taken in Los Angeles and New York City, an...

This paper analyzes Internet diffusion among organizations, based on daily observation of the registration of second level domain names under the “.it” ccTLD. In particular, we analyzed domains registered in the nonprofit sector. The penetration rate in the relevant population of potential users is computed at highly separated geographical levels (regions). A concentration analysis was carried ...

Language in social media is rich with linguistic innovations, most strikingly in the new words and spellings that constantly enter the lexicon. Despite assertions about the power of social media to connect people across the world, we find that many of these neologisms are restricted to geographically compact areas. Even for words that become ubiquituous, their growth in popularity is often geog...

The research enterprise increasingly involves multidisciplinary collaboration, sometimes over geographic distance. Technological advances have made these collaborations possible, and the history of past innovations suggests these collaborations are desirable. Yet multidisciplinary projects can carry high coordination costs. This study investigated how collaborations address disciplinary differe...

Citizenship in the United States: The Roles of Immigrant Characteristics and Country of Origin This study develops and estimates a model of the naturalization process in the US. The model is based on both the characteristics of immigrants and features of their countries of origin. The empirical analysis is based on the 2000 US Census. Both the characteristics of immigrants and the origin-countr...

Location-based social networks such as Foursquare and Plancast have gained increasing popularity. On those sites, users can organize and participate in group activities; hence, recommending venues to a group is of practical importance. In this paper, we study the problem of recommending venues to groups of users and propose a Hierarchical Bayesian Model (HBGG) for this purpose. First, a generat...

conclusions components of social support, totally account for 19% of resiliency variance value of patient; the components of social support, family, friends, and other people’s support at only had lower contribution in predicting resiliency. support of this group of people to increase their resiliency seems necessary. results there was a significant association between social support and resili...