We present our policy-based middleware, called Manageable and Adaptive Service Compositions (MASC), for dynamic self-adaptation of Web services compositions to various changes. MASC integrates and extends our earlier middleware called the Web Services Message Bus (wsBus). In particular, we discuss MASC support for customization of Web services compositions to address business exceptions and wsB...

0

Rural areas continue to be plagued by limited data connectivity due to poor and unreliable power infrastructure, poor backhaul connectivity and lack of economic incentives for telecom providers. These factors continue to be an impediment to providing reliable, highly available and bandwidth intensive mobile services and applications to function well in such contexts. This paper presents the des...

and Nepal for repeated short assignments and has coordinated a global evaluation of the Joint Nutrition Support Programme (JNSP) on behalf of the Government of Italy, WHO and UNICEF in 1989. Dr. Omar's areas of work cover (a) teaching: human resources planning and training, decentralised planning and management and district management strengthening; (b) Providing technical support through consu...

In the past, electronic commerce only focused on customer-to-business web interaction and on business-tobusiness web interaction. With the emergence of business process management and of service-oriented architecture, the focus has shifted to the development of e-services that integrate business processes and that diversify functionalities available to customers. The potential of electronic com...

The ETSI Technical Committee Human Factors (TC HF) has initiated the development of guidelines for the design of setup procedures of mobile terminals and e-services. This work is performed under the e-Europe 2005 action plan, by and in close collaboration between major industry players and ETSI. The goal of this activity is the development of design guidelines for user interface and service dev...

Tourism organizations have become one of the main users of the internet in recent years bysetting their own urban tourism websites. However, not all the websites are effective to promote their goals andobjectives. An effective evaluation of urban tourism websites can help organizations on how best to employ them.Using the ICTRT (Information, Communication, Transaction, Relationship and Technica...

The concept of the Standardized Individual Output Development can generally be understood as an approach to the development of output using its own domain standards, or re-use of standards from other domains via analogies. Objective is a systematic, qualitative and efficient creation of individual output and an innovation-framework to systematize the support of a knowledge transfer from other d...

This paper explores, through a number of case studies, the application of Group Support Systems for capacity building initiatives in various sectors in Africa. A model is introduced on the adoption of GSS in an African context. Notwithstanding skeptical expectations with respect to the successful application of the technology, the results clearly indicate (1) that there is support from key part...