The main objective of this thesis is to provide radio-oncology specia-lists with automatic tools for delineating organs at risk of a patient undergoing aradiotherapy treatment of cerebral or head and neck tumors.To achieve this goal, we use an anatomical atlas, i.e. a representative anatomyassociated to a clinical image representing it. The registration of this atlas allowst...

Understanding causal relationships on incident management can help software development organizations in finding the adequate level of resourcing, as well as improving the quality of services they provide to their end-users and/or customers. This paper presents an empirical study conducted upon a sample of incident reports recorded during the operation of several hundred commercial software pro...

Packaged software development (PSD) is largely a knowledgeintense activity. Thus, it depends on the organizational capability of developing and combining market and technical knowledge into timely and competitive software products. Given customers’ situated knowledge of the software, software firms increasingly seek new ways to involve customers in their software development activities. As high...

Please cite this article in press as: Stoter, J., et al ment and Urban Systems (2009), doi:10.1016/j.c This paper presents a methodology developed for a study to evaluate the state of the art of automated map generalization in commercial software without applying any customization. The objectives of this study are to learn more about generic and specific requirements for automated map generaliz...

Commercial software firms are increasingly becoming involved with open source communities. In this research-in-progress paper I briefly analysed a single firm case that demonstrates how an institutional entrepreneur mixes in an innovative way different discourses in an attempt to legitimise a new mode for developing software applying both open and closed source codes. The institutional entrepre...

Petascale data management and analysis remain one of the main unresolved challenges in today's computing. The 6 th Extremely Large Databases workshop was convened alongside the XLDB conference to discuss the challenges in the health care, biology, and natural resources communities. The role of cloud computing, the dominance of file-based solutions in science applications, in-situ and predictive...

In commercial software vendor organizations, evolution of a software product by means of scheduled feature releases is a central activity. Relying on existing work on maintenance task effort prediction, this paper proposes a management framework for periodically capturing updated estimation data and using it as a basis for initial planning and subsequent re-planning of releases. The framework i...

In this article, we extend Cheng, Zhang and Wang [17] model studied pricing strategies in marketing. The objective is to find the optimal inventory and pricing strategies maximizing the net present value of total profit over the infinite horizon. It is important to control and maintain the inventories of deteriorating items for the modern corporation. We will discuss two models: one is without ...

This paper is concerned with the economic trade-offs associated with open-sourcing, the business strategy of releasing free open-source versions of commercial software products. The effect of the release of open-source versions on the customers’ perception of products is an important determinant of open-sourcing outcomes. We model open-sourcing as a strategic option for firms that compete in th...