Social networks play an increasingly important role in knowledge management, information retrieval, and collaboration. In order to leverage the full potential of social networks, social networks need to be supported through technical systems. Within this paper, we introduce such a technical...

Grid computing evolves toward an open computing environment, which is characterized by highly diversified resource providers and systems. As the control of each computing resource becomes difficult, the security of users¡¯ job is often threatened by various risks occurred at individual...

In order to overcome the problem of free-riding in current P2P system, we suggest applying social network theory. Based on our exploration of the overlapping research fields of social networks and peer-to-peer networks, we propose a new P2P framework within this paper. It specifies social...

Research into computing resource markets has mainly considered the question of which market mechanisms provide a fair resource allocation. However, while developing such markets, the definition of the unit of trade (i.e. the definition of resource) has not been given much attention. In this...

In the world of health care, most specialists appreciate information and communication as a major component in this area. Thus, the Internet becomes also in health - the main source of information and communication of professionals in the system, facilitating access to databases, electronic...

In economic and social sciences it is crucial to test theoretical models against reliable and big enough databases. The general research challenge is to build up a well-structured database that suits well to the given research question and that is cost efficient at the same time. In this paper...

We study whether and how contractual arrangements (fixed price vs. time-and-materials contracts) change the effect of reputation, certification, and language characteristics on the chances of winning outsourcing contracts. Using a comprehensive dataset from an online outsourcing marketplace, we...

The accounting ontologies were conceptualized as a framework for building accounting information systems in a shared data environment, within enterprises or between different enterprises. The model’s base feature was an object pattern consisting of two mirror-image that represented conceptual...

This paper is the following part of a previous article about Business Intelligence regarded as key enabler and effect of the Globalization. Starting from the definitions and from the classifications cho-sen then, this second part brings many other considerations about GBI, G-L, GIS, and also...

The present study investigates the characteristics of online searching behavior with emphasis on query reformulation. The topic has been highly studied starting with Bates (1979), Jansen and Spink (1999), Rieh and Xie (2001), Vakkari (2003), Spink, Zhang and Jansen (2007). Earlier studies...