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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This article presents the development of Learning Objects (LO) originating from hypermedia narratives developed to the Learning Management Systems (LMS) WebGD Acessível for teaching Descriptive Geometry with the perspective of accessibility and inclusion. Implemented in the Moodle platform, specially adapted for students with hearing or visual impairments, the LMS was developed by researchers from the Federal University of Santa Catarina (UFSC), with the storage of objects carried out in partnership with the Federal University of Rio Grande do Sul (UFRGS). Based on narratives in diferente styles, 17 LO were developed by the Brazilian OBAA metadata standard (Agents-Based Learning Objects). The LO were modeled according to most important properties such as modularity, interoperability, recovery and reusability. This study presents the transposition of the narratives originally implemented in Moodle for LO and how their properties could be reached.

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