Simulation modeling is widely used to support decision-making in different business areas
and management tasks. Given the growing importance for real-world organizations to …

A Service Level Agreement (SLA) regulates the provisioning of a service by defining a set of
guarantees. Each guarantee sets a Service Level Objective (SLO) on some service metrics …

In this article, we propose a comprehensive approach for Quality of Service (QoS)
calculation in service composition. Differing from the existing work on QoS aggregations that …

In this paper, we propose an approach to model the probability density function (PDF) of the
QoS of a web service (QoWS) based on non-parametric statistical method. Mathematical …

Providers of IT services are under constant pressure to reduce cost and improve the quality
of the services they provide. The ability to decompose such IT services (defined by …

The methods of integrity authentication for vector graphics were described at fist, then digital
watermarking for vector graphics was introduced. For vector graphics composed by linear …

In recent years, IT Service Management (ITSM) has become one of the most researched
areas of IT. Incident Management and Problem Management form the basis of the tooling …

IT Service Continuity Management (ITSCM) delivers the recovery of IT services in the event
of a disaster. ITSCM is widely perceived as an expensive challenge for enterprise-class IT …

Abstract In Cooperative Information Systems, service level agreements (SLA) can be used to
describe the rights and obligations of parties involved in the transactions (typically the …

The IT Infrastructure Library (ITIL) provides guidance for IT service management but does
not specifically address the challenges that Service Providers face. A Service Provider is an …