Karst Interest Group 2011

U . S . Geological Survey Karst Interest Group

Congress mandated the establishment of the National Cave and Karst Research Institute in October 1998 to further the science of speleology by facilitating research, to enhance public education, and to promote environmentally sound cave and karst management. Considerable progress has been made during the tenure of the Interim Director (2000-2002) toward making the Institute operational. The scop...

Buying Group Design Considering the Member’s Interest

Enhancing the speed and competition in an exhibition of services and products motivated the companies to provide high-quality products to the customers. One of the effective strategies to reach these goals is to create working groups. These groups can help the companies to improve the quality and exposure of their services along with reducing the costs. This approach is applicable in the health...

Determinants of interest group formation

It is widely recognized that interest groups affect both microeconomic and macroeconomic outcomes. However, few researchers have attempted to discern empirically the factors that contribute to interest group activity. This paper provides a test of several theories of group formation in a panel setting. A nation’s stability, socioeconomic development, political system, size, and diversity all ap...

Interest Group Behavior and Influence

Topological Structure and Interest Spectrum of the Group Interest Network

In this paper, the behavior characteristics that the specifical campus group users accessing world wide web has been studied, the dynamic group interest network has been constructed, which was a para-bipartite graph and the topological structure had been discussed. Although the users’ visiting time is random and the web pages they visited are different but the interests of a majority of the cam...