Online communities can have positive effects onsocial capital and ultimately on organisational performance. Theformer is of great importance to non-profit organisations in thethird sector, for which it is a key component of their success.This paper starts by defining a community. It then discusses theimportance and potential of virtual communities of practice forthe thir...

This paper charts the economic contribution of the third sector in the UK, noting its significant presence in core welfare state fields, and setting it in comparative international context. It then offers a conceptual framework, the “production of welfare” approach, for analysing how the third sector “performs” in welfare states in terms of inputs and outputs. Efficiency, effectiveness, equity,...

This article pursues two tasks. The first is to clarify the value and productivity of Williams’s Keywords: a vocabulary culture society (first edition 1976, second expanded 1983a) for project Cultural Studies. clarification helped, I argue, by reading it alongside Vološinov’s Marxism philosophy language (published in Russian 1929, translated into English 1973). related task speculative developm...

We study the development of conjunctive keyword searchable scheme which enables one to search encrypted documents by using more than one keyword. The notion of conjunctive keyword searching was presented by Golle et al. in 2004. However, their security model was constructed in a symmetric-key setting which is not applicable for the overall applications in the reality. So Park et al. extended Go...