Giuseppe Laria

An emerging architecture enabling grid based application service provision

In this article we examine the integration of three emerging trends in information technology (utility computing, grid computing, and Web services) new computing paradigm (grid-based application service provision) that is taking place in the context of the European research project GRASP. In the first of the paper, we explain how the integration of emerging trends can support enterprises in creating competitive advantage. In the second part, we focus on grid-based application service provision (GRASP), which builds a new technology-driven business paradigm on top of such integration. We conclude by outlining a plan for prototyping a GRASP platform in the context of an ongoing European research project.

Improving Role Taking in CSCL Script Using SNA and Semantic Web

Designing effective CSCL processes is a complex task that can be supported by existing good practices formulated as pedagogical patterns or script. Over the past years the TEE research has shown that CSCL script acts as Mediating Artifacts (MA) designing educational scenarios and structuring and prescribing roles and activities. This work proposes an approach, based on Social Network Analysis and Semantic Web, in order to improve definition and instantiation phases of IMS-LD scripts.

Towards a grid platform enabling dynamic virtual organisations for business applications

In this paper we describe the demonstration of selected security & contract management capabilities of an early prototype infrastructure enabling dynamic Virtual Organisations for the purpose of providing virtualised services and resources that can be offered on-demand, following a utility computing model, and integrated into aggregated services whose components may be distributed across enterprise boundaries. The ideas underpinning this prototype have been investigated in the context of European projects TrustCoM [1], ELeGI [2] and GRASP [4] where initial prototype development has taken place.

Trust, Security, and Contract Management Challenges for Grid-Based Application Service Provision

The GRASP project aims to provide an OGSA compliant infrastructure to allow Application Service Providers to exploit Grid concepts and infrastructure. Orchestration of grid service instances running “somewhere on the Grid” to deliver a service raises a number of trust, security and contract management challenges, especially in a business context. This paper describes the issues relating to SLA negotiation and management and to the trust and security of dynamically created, distributed virtual organizations, based on the experiences of developing the GRASP architecture and implementing an initial prototype infrastructure.

Overview of an Architecture Enabling Grid Based Application Service Provision

In this short paper we examine the integration of three emerging trends in Information Technology (Utility Computing, Grid Computing, and Web Services) into a new Computing paradigm (Grid-based Application Service Provision) that is taking place in the context of the European research project GRASP. In the first part of the paper, we explain how the integration of emerging trends can support enterprises in creating competitive advantage. In the second part, we summarise an architecture blueprint of Grid-based Application Service Provision (GRASP), which enables a new technology-driven business paradigm on top of such integration.

A Semantic Web Vocabulary Supporting Brainstorming for Research Communities

The e-Brainstorming tools represent plausible solutions to improve the e-research community activities with respect to processes regarding idea generation and idea selection. However, the existing e-Brainstorming systems show methodological and technological limitations. The present work proposes a brainstorming model that aims at overcoming the aforementioned limitations by exploiting Social Web and Semantic Web technologies and practices sustaining on-line social dimension, application interoperability, knowledge representation, knowledge sharing and correlation discovery.

Service Level Agreements in BREIN

With electronic business (eBusiness) becoming ubiquitous, the traditional ways of doing commerce need to be changed or completely replaced to support the end users effectively in performing their business. This includes especially the representation of business relationships with an electronic format to allow for automated processing of the respective parts of e.g. contractual obligations. One prominent representation tool are Service Level Agreements. Conceptually established as paper representation to describe parts of contracts of telecom operators, SLAs have become a research topic in the ICT domain now since several years.