On the Existence of Social Welfare Functions, Social Orderings and Social Decision Functions Author(s): Murray C. Kemp and Yew-Kwang Ng Source: Economica, New Series, Vol. 43, No. 169 (Feb., 1976), pp. 59-66 Published by: Wiley on behalf of The London School of Economics and Political Science and The Suntory and Toyota International Centres for Economics and Related Disciplines Stable URL: http...

In general there seems to be widespread agreement that fertility began to decline among all major population groups in South Africa prior to the end of apartheid. It occurred at a much faster level for Whites and Asians as compared to Africans and Coloureds. This occurred amidst the impoverishment of millions (especially African women), stark inequalities and the disempowerment of women. Althou...

Based on findings from two quite distinct research projects, this paper proposes that the reluctance of some teachers to make ICT an integral part of classroom teaching and learning is, at least partly, a consequence of several factors beyond their control. This reluctance occurs even though most teachers use one more forms of social networking as part of their out of classroom lifestyle. Two p...

Authenticity is a popular buzz word in electoral politics, as electoral candidates and politicians are expected to be authentic in their public interactions. Since 2008, social media has become an integral part of elections in the US, and continues to gain importance in electoral campaigns around the world as social media offers electoral candidates a new medium for communicating with their con...

We consider the issue of query performance, and we propose a novel method for automatically predicting the difficulty of a query. Unlike a number of existing techniques which are based on examining the ranked lists returned in response to perturbed versions of the query with respect to the given collection or perturbed versions of the collection with respect to the given query, our technique is...

This paper examines the role of social networks and artefacts in technology appropriation in an educational environment. We use a qualitative research method to illustrate that social networks and accompanying artefacts form an integral part of the process of appropriation. Our findings suggest three ways in which people appropriate technology for successful longer-term use: 1) adapting work pr...

As the international community discusses the post-2015 development agenda, it is now clear that inequality will form an integral part of the sustainable development goals. Empirical evidence shows that increasing income inequality has been a feature of the world economy since the early 1980s. The current pattern of global income distribution is extremely unequal, both between countries and with...

Person search is the problem of finding, by means of keyword search, relevant people in a social network. In egocentric person search, the search query is issued by a person s participating in the social network, and the goal is to find people that possess two qualities: relevancy to the query, and relevancy to s herself. This position paper considers the latter quality, and specifically, scori...

In recent years, social networking has become an integral part of life for students, professionals, and the general population alike. With different sites catering to different types of people, there are more and more ways for people to get involved. Social networks have gone beyond a casual hobby and have the potential to shape the ways people go about everyday life. As these sites grow in pop...

Over the past decade, digital and mobile media have significantly changed the system of political communication in Brazil. An increasing number of Brazilian candidates have begun to use websites and social networking applications as an integral part of their overall campaign efforts. To explore how these "new" media tools are used at all levels of campaigns for national office, we built an orig...