-Learning management systems and social networks on Web have been tools most used by students in higher education institutions as learning support tools outside of the classroom. In this paper, we present the results from a survey conducted at a Portuguese university to 159 students in Computer Science and Psychology about the purposes and reasons for the use of Moodle and Facebook. We conclude, among other conclusions, that they complement each other: while the first is mostly used for formal communication with teachers, the second is mostly used for informal communication with peers.
In this paper, we present a review on the use of ontologies in learning object repositories systems for searching and suggestion purposes, considering its adoption for the seaThings project that aims to promote the ocean literacy. We also describe the use case of the Cognix system and Agent-based Learning Objects -OBAA metadata standard for learning objects which is being implemented on a new learning objects repository. This system includes concepts from artificial intelligence such as agents and ontologies that aim to improve the search and so making the system more responsive. This paper also sugests how an ontology can be implemented, using metadata in learning object repositories to provide relevant aspects, such as interoperability, reuse, and searching.
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