Social capital and cigarette smoking among Latinos in the United States

This paper presents the results of analyses conducted to examine if social capital indicators were associated with current cigarette smoking and with quitting smoking among a national representative sample of Latinos living in the United States. Data are from 2540 Mexican Americans, Puerto Ricans, Cuban Americans, and Other Latinos who participated in the National Latino and Asian American Survey. A significant inverse association between neighborhood cohesion and current smoking, and a positive association with quitting smoking, were found only among Mexican Americans. No other significant associations were found except for family conflict being associated with higher odds of current smoking with Cuban Americans. Implications of these findings are discussed to unravel the differences in social capital and smoking behaviors among Latino populations.https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3374601/Published versio

Scalable User Assignment in Power Grids: A Data Driven Approach

The fast pace of global urbanization is drastically changing the population distributions over the world, which leads to significant changes in geographical population densities. Such changes in turn alter the underlying geographical power demand over time, and drive power substations to become over-supplied (demand ≪ capacity) or under-supplied (demand ≈ capacity). In this work, we make the first attempt to investigate the problem of power substation/user assignment by analyzing large scale power grid data. We develop a Scalable Power User Assignment (SPUA) framework, that takes large-scale spatial power user/substation distribution data and temporal user power consumption data as input, and assigns users to substations, in a manner that minimizes the maximum substation utilization among all substations. To evaluate the performance of SPUA framework, we conduct evaluations on real power consumption data and user/substation location data collected from Xinjiang Province in China for 35 days in 2015. The evaluation results demonstrate that our SPUA framework can achieve a 20%–65% reduction on the maximum substation utilization, and 2 to 3.7 times reduction on total transmission loss over other baseline methods

Demand Situation and Countermeasures Research on the Sports Service Products of Rural Residents

The perspective of this topics are from the consumer demand preferences and on the basis of extensive collection of literature. It utilizes documentation, surveys, expert interviews, mathematical statistics, comparative analysis and systems analysis and other research methods to study the characteristics of demand preference and consumer behavior of sports service products from the rural residents. It also suggests countermeasures and suggestions on the development of sports service products market for rural residents to satisfy the sports service demands of rural residents.Key words: Rural residents; Sports service market; Sports service products; Demand preference