Orientador: Manuel de Jesus Mendes / Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação / Made available in DSpace on 2018-08-08T10:49:25Z (GMT). No. of bitstreams: 1 Kamada_Aqueo_D.pdf: 3886405 bytes, checksum: 8e4f2791cf72214eac7fe3d18c8bc794 (MD5) Previous issue date: 2006 / Resumo: No atual mundo globalizado, com interações fortemente baseadas na Web, as relações entre pessoas, empresas e aos orgãos de governo estão sujeitas a mudanças cada vez mais rápidas. Esse cenário torna ainda mais crítico o já antigo problema de manutenção de sistemas, uma vez que as atualizações precisam ser realizadas para contemplar novos modelos de negócio, no contexto destas mudanças rápidas. Esta situação justifica a necessidade de uma abordagem que consiga capturar as mudanças nos negóios e rapidamente implementá-las nos sistemas computacionais. Considera-se que existem porções da lógica de negócio que são bastante voláteis e suscetíveis às mudanças e outras porções que são bastante estáveis e muito pouco suscetíveis às mudanças. Neste contexto, propõe-se um modelo para desenvolvimento rápido e execussão de serviços, baseado em regras de negócio. Neste modelo as porções voláteis são externalizadas como regras de negócio e as porções estáveis como serviços. A prova de conceito desta abordagem traduz regras modeladas em linguagem natural para regras no modelo da máquina de regras instanciada, que invoca os serviços / Abstract: In the current globalized world, characterized by strong Web based interactions, relationships between people, companies and government organizations are subject to changes that occur faster and faster. This scenario makes the old problem of system maintenance even more critical, as the updating of these systems needs to contemplate new business models in the context of these fast changes. This situation justifies the need for an approach that can capture business changes and quickly implement them into computational systems. It is considered that some business logic portions are quite volatile and susceptible to the changes and other portions are quite stable and less susceptible to the changes. In this context, a model for fast development and execution of services based on business rules is proposed. In this model the volatile portions are externalized as business rules and the stable portions as services. The proof of concept of this approach translates rules which are modeled in a natural language to rules in the model of the instantiated rule engine that invokes the services / Doutorado / Engenharia de Computação / Doutor em Engenharia Elétrica

This diploma thesis defines the issue of Business Rule Approach and the technological aspects connected. The aim is to enclose this relatively new topic to the leader. This paper includes the essential techniques and recommendations for rule approach. The thesis includes basic definition of important terms and theoretical overview of used technology. Important point is to highlight the main benefits for a business people that come up from implementing rule based system into the company's information system. The part of this paper is exploring dependencies between business rules, processes and workflows. There are two classic ways to analyze and design information systems -- structure based and object based. According to business needs the new way arises -- the business rule approach. The practical part include concept of functional specification of an application using a module for analyzing a evaluating business rules. The basic policies how the Rule Engines are implemented into the information systems are specified in the technological chapter along with description. There are also elementary operations which can one do with the rules. In one part of the thesis is a description of an software tool developed by company named ILOG. It is called JRules and it provide a full-fledged tool by which you can design, develop, implement and test whole scale business rule projects.

The main goal of this thesis is to develop a new help-desk ticket management system for the Etnetera Company. The chosen platform is Java. A secondary objective is to test a suitability of using a rule engine system for this type of applications. The first part of the thesis contains a theoretical introduction to business rule systems, which is followed by a part evaluating and presenting in a detail three such systems. The chosen system used for the implementation is JBoss Drools. A project environment, description of the current situation and reasons for the development of the new system are listed in the next part. The following chapter deals with the analysis of the requirements and the next-to-last chapter describes the design and implementation of the new system. The last chapter contains documentation. The main benefit of the work is a newly developed system that optimally supports the process of processing a request and other related processes at the Etnetera Company, thereby reducing the amount of unnecessary administrative work. Another benefit is a practical demonstration and deployment of business rule system for developing similar applications.