DSOA e Padrões de Segurança aplicados em Web Services<BR>DSOA and safety standards applied in web services

Disponibilização de Serviços Baseados em Localização via Web Services

Location-Based Services (LBS) are services which use geographical information, combined or not with the position of the mobile terminal in order to obtain and generate useful information to the users of mobile devices. There are several initiatives in the definition of standards which aim at increasing the interoperability among location-based services. Among the main initiatives we can mention...

Pertinence des Résultats de Recherche de Services Web E-Learning

Résumé. Le nombre de plateformes e-learning à base de services web est de plus en plus croissant. Ces plateformes sont de différents fournisseurs et de différentes caractéristiques et fonctionnalités. Par conséquent, leur découverte devient un défi très important. Les critères de choix et de sélection d’un service d’une plateforme e-learning dépendent, généralement, des contraintes pédagogiques...

Competition, complementarity and service level guarantee in Web services

  Network and processing overhead associated with web services is a significant challenge to its performance. As a result, web service providers often announce a service level agreement. This ensures that consumers, who pay for the service, can get the service at a given quality level. In this paper, we study the competition between two providers offering functionally the same web services, whe...

Stateful Web Services: A Missing Point in Web Service Standards

Padrões de Projeto e o Estímulo ao Compartilhamento de Experiências Docentes em Redes Sociais Educacionais

Languages and Design Patterns are concepts that were purposed by Christopher Alexander. The main motivation to draw those concepts is to enforce the conception as well as the reuse of sucessful experiences whithin projects. On the other hand, the purpose of this work is to outline an approach where these concepts could be used to share teaching experiences. In other words, guiding through the r...