ROSA: a repository of objects with semantic access for e-learning

Author

Porto, Fábio ; Moura, A.Md.C. ; Da Silva, Fabio José Coutinho

Author_Institution

Dept. of Comput. Eng., Mil. Inst. of Eng., Rio de Janeiro, Brazil

fYear

2004

fDate

7-9 July 2004

Firstpage

486

Lastpage

488

Abstract

Learning content management systems (LCMS) supports e-learning applications with storage and efficient access for e-learning objects (LO)s. ROSA is a LCMS built as a semantic layer on the top of an XML native DBMS. In this paper, we present ROSA data model designed as an extension to RDF data model with ordered collections and relationship properties and cardinalities. An algebra is proposed with operations supporting queries over LO metadata and navigation through LO conceptual maps. Finally, the system implements Web semantic technology based on a formal data model tailored for an efficient storage and access of e-learning resources.

Keywords

XML; content management; data models; distance learning; semantic Web; RDF data model; ROSA data model; Web semantic technology; XML native DBMS; e-learning; learning content management systems; Algebra; Content management; Data models; Database languages; Electronic learning; Material storage; Military computing; Navigation; Resource description framework; XML;

fLanguage

English

Publisher

ieee

Conference_Titel

Database Engineering and Applications Symposium, 2004. IDEAS '04. Proceedings. International

ISSN

1098-8068

Print_ISBN

0-7695-2168-1

Type

conf

DOI

10.1109/IDEAS.2004.1319827

Filename

1319827