Universidade do Porto
Informatics
Several standards appeared in recent years to formalize the metadata of learning objects, but they are still insufficient to fully describe a specialized domain. In particular, the programming exercise domain requires interdependent... more
XSLT is a powerful and widely used language for transforming XML documents. However its power and complexity can be overwhelming for novice or infrequent users, many of which simply give up on using this language. On the other hand, many... more
In recent years emerged several initiatives promoted by educational organizations to adapt Service Oriented Architectures (SOA) to eLearning. These initiatives commonly named eLearning Frameworks share a common goal: to create flexible... more
Abstract. eLearning has been evolved in a gradual and consistent way. Along with this evolution several specialized and disparate systems appeared to fulfill the needs of teachers and students such as repositories of learning objects,... more
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