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Abstract--Web Services are emerging technologies that enable application to application communication and reuse of services over Web. Semantic Web improves the quality of existing tasks, including Web services discovery, invocation, composition, monitoring, and recovery through describing Web services capabilities and content in a computer interpretable language. To provide most of the requested Web services, a Web service matchmaker is usually required. Web service matchmaking is the process of finding an appropriate provider for a requester through a middle agent. To provide the right service for the right user request, Quality of service (QoS)-based Web service selection is widely used. Employing QoS in Web service selection helps to satisfy user requirements through discovering the best service(s) in terms of the required QoS. Inspired by the mode of the Internet Web search engine, like Yahoo, Google, in this paper we provide a QoS-based service selection algorithm that is able to identify the best candidate semantic Web service(s) given the description of the requested service(s) and QoS criteria of user requirements. In addition, our proposed approach proposes a ranking method for those services. We also show how we employ data warehousing techniques to model the service selection problem. The proposed algorithm integrates traditional match making mechanism with data warehousing techniques. This integration of methodologies enables us to employ the historical preference of the user to provide better selection in future searches. The main result of the paper is a generic framework that is implemented to demonstrate the feasibility of the proposed algorithm for QoSbased Web application. Our presented experimental results show that the algorithm indeed performs well and increases the system reliability.

Egypt has the largest and most significant higher education system in the Middle East and North Africa but it had been continuously facing serious and accumulated challenges.The gap between what is existing and what is supposed to be for the self-regulation and improvement processes is not entirely clear to face these challenges. The effective use of information technology in higher education requires good and new techniques as well as rational strategies. The reform of higher education through strategies based on data analysis of current situation will affect the overall performance of transitional state and will shape new paradigms in higher education system development in Egypt. This research has objective to develop a model of Composite index (CI) based on a set of key performance indicators (KPI) commensurate with the nature of higher education institutions inEgypt. The outcomes of the composite index aim to measure overall performance of institutions and provide unified ranking method in this context. KPIs are determined as description of key success factors related to institutions sustainability. These KPIs are classified into main areas and sub-indicators. Within this scope, the indicators were weighted via Analytic Hierarchy Process (AHP) method according to their significance levels. Pairwise comparison survey template and database web application were developed to collect narrative responses, apply algorithm and extract results. The research study was conducted with 40 professors from 19 renowned universities in Egypt as education experts. The status of composite index model implementation is discussed from theoretical and technical perspectives.

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