Social media sites have appeared during the last 10 years and their use has exploded all over the world. Twitter is a microblogging service that has currently 320 million user profiles and over 100 million daily active users. Many celebrities and leading politicians have a verified profile on Twitter, including Justin Bieber, president Obama, and the Pope. In this paper we investigate the '‘hun...

conclusions the major risk factor of hcv infection was injection drug use. the patient’s awareness of his or her hcv status had a minor effect in reduction of illicit drug use and improvement in mmt retention. therefore, adequate counseling is necessary for drug users in mmt clinics in xi’an. background hepatitis c virus (hcv) infection rates in drug users vary among different regions of china....

Integrated Water Resources Management (IWRM) recommends, among other things, that the management of water resources systems be carried out at the lowest appropriate level in order to increase the transparency, acceptability and efficiency of the decision-making process. Empowering water users and stakeholders transforms the decision-making process by enlarging the number of point of views that ...

To better meet users’ underlying navigational requirement, search engines like Baidu has developed general recommendation engine and provided related entities on the right side of the search engine results page(SERP). However, users’ behavior have not been well investigated after the association of individual queries in search engine. To better understand users’ navigational activities, we prop...

Many river basins throughout the world are increasingly under pressure as water demands keep rising due to population growth, industrialization, urbanization and rising living standards. In the past, the typical answer to meet those demands focused on the supply side and involved the construction of hydraulic infrastructures to capture more water from surface water bodies and from aquifers. As ...

Markets are now fashionable as institutions for managing water both nationally and internationally. True markets, however, have always been rare for water rights and there are good reasons for believing that they always will be. Water is an ambient resource where the actions of any one user necessarily affect many other users. If true markets are relied on to allocate water for particular uses ...