SEMar 18, 2015
Project portfolio selection: Multi-criteria analysis and interactions between projectsKhadija BENAIJA, Laila KJIRI
In the project portfolio management, the project selection phase presents the greatest interest. In this article, we focus on this important phase by proposing a new method of projects selection consisting of several steps. We propose as a first step, a classification of projects based on the three most important criteria namely the value maximization, risk minimization and strategic alignment. The second step is building alternatives portfolio by the portfolio managers taking into account the classification of projects already completed in the first step. The third and final step enables the identification of the alternative portfolio to consider the contribution of projects to achieve the organization objectives as well as interactions between projects.
SEMar 25, 2014
A Pattern based methodology for evolution management in business process reuseHanae Sbai, Mounia Fredj, Laila Kjiri
Today, there are Process-Aware Information Systems (PAIS) with a set of business process models which vary over time to meet the new requirements. In a competitive environment, the key challenge of enterprises is to reduce the cost and time of process design and application development. For this purpose, research on reuse in business process management have introduced the concept of configurable process models which attempts to manage business process variability, by integrating a set of process variants in a single model. In this context, many research works were interested in creating and elaborating configurable process models. However, this has become insufficient since the configurable process model should itself evolve to add new variations. In turn, this requires a comprehensive support for managing the evolution of configurable process models. In this paper, we present a complete pattern based methodology for managing the evolution of configurable process models in terms of activities, data and resources. Our objective is to propose a process patterns system for guiding designers in modeling and evolving configurable process models. Furthermore, our process patterns system will be used for an automated support so as to manage the evolution of configurable process models.
SEApr 2, 2013
A Goal Question Metric Approach for Evaluating Security in a Service Oriented Architecture ContextMeryem Kassou, Laila Kjiri
For interactions to be possible within the Service Oriented Architecture (SOA) ecosystem, each actor must be enough confident of other actors to engage safely in the interactions. Therefore, the establishing of objective metrics tailored to the context of SOA that show security of a system and lead to enhancements is very attractive. The purpose of our paper is to present a GQM (Goal Question Metric) approach based on Standard security metrics and on SOA maturity that can be a support for organizations to assess SOA Security and to ensure the safety of their SOA based collaborations