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In this paper the problem of the combined selection of COTS components is analyzed in organizations of a specialized nature. This is currently a process of great interest: once many organizations have implemented recently ERP systems for supporting their central management areas, they need to select specialized components for other more particular business areas. We propose a model of combined selection...
This paper presents our PABRE method for facilitating requirements elicitation on the basis of requirement patterns with the goal of saving time and reducing errors during this activity. The process presented applies for elicitation in off-the-shelf selection projects driven by call for tenders processes and uses a requirement patterns catalogue. The process selects patterns from the catalogue that...
In this paper we present LEARN-SQL, a system conforming to the IMS QTI specification that allows on-line learning and assessment of students on SQL skills in an automatic, interactive, informative, scalable and extensible manner.
In previous work, we proposed the use of software quality models for driving the formulation of requirements in the context of software package selection. Now, we report two related projects of construction of software quality models in the domains of document management, entreprise content management and Web content management. These domains may be considered particular cases of a more general category...
The reuse of knowledge obtained during the elicitation of requirements for different COTS projects is a subject that still needs more research to be done. In this work we propose the use of Patterns of Requirements for the first steps of the COTS selection processes and the software life cycle.
Several activities of the COTS-based systems lifecycle are supported not only by the analysis of their technical quality but also (and sometimes mostly) by considering how they fulfill some non-technical quality features considered relevant (licensing, reputation, costs and similar issues). Whilst many catalogues of technical quality features exist, it is not the case for non-technical ones, which...
The selection of COTS components is made not only by an analysis of their technical quality but also (and sometimes mostly) by considering how they fulfill those non-technical requirements considered relevant, which refer to licensing, reputation, and similar issues. In this paper we present an approach for managing nontechnical requirements during COTS selection. The proposal is based on extending...
DesCOTS is a system that has an aim to help clients in the selection of COTS components. This system is based in the use of quality models associated to a software domain for evaluating the products in that domain, and for defining in a formal way the requirements of the clients for finding a suitable product in that domain. The evaluation and the formal definition of requirements are facilitated...
Steroids are recommended in severe alcohol-induced hepatitis, but some data suggest that artificial nutrition could also be effective. We conducted a randomized trial comparing the short- and long-term effects of total enteral nutrition or steroids in these patients. A total of 71 patients (80% cirrhotic) were randomized to receive 40 mg/d prednisolone (n = 36) or enteral tube feeding (2,000 kcal/d)...
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