In this paper, the authors propose an effective scheme for association rule mining of personal hobbies in social networks. By introducing the connection and clipping techniques, the authors are able to ignore unrelated items in the process of finding frequent itemsets, resulting in more accurate...

Among alignment-free methods for sequence comparison, the model of k-word frequencies is a well-developed one. However, most existing word-based methods neglect relationships among k-word frequencies, while a few others focus on the correlation of k-words but ignore the word frequency itself. In...

Based on a five-letter model of the 20 amino acids, we propose a new 3-D graphical representation of protein sequence. Then we derive from the graphical representation, numerical indices called 3-D coupling numbers, to characterize protein sequences. The examination of the...

In light of the recent microfinance crisis in South India, government-run institutions in general, and primary agricultural credit cooperatives in particular, may end up playing a larger role in the provision of financial services for the poor. Using survey data collected in 2007 from three...

Throughout the Middle East, unemployment rates of educated youth have been persistently high and female labor force participation, low. This paper studies the impact of a randomized experiment in Jordan designed to assist female community college graduates find employment. One randomly chosen...

Around the world, in both developed and developing countries, policy makers use a variety of tools to manage and accommodate urban growth and redevelopment. Government officials have three main concerns in terms of land policy: (i) accommodating urban expansion, (ii) providing infrastructure,...

Unemployment rates for tertiary-educated youth in Jordan are high, as is the duration of unemployment. Two randomized experiments in Jordan were used to test different theories that may explain this phenomenon. The first experiment tested the role of search and matching frictions by providing...