Integrating Learning Object Repositories Using a Mediator Architecture

@inproceedings{citeulike:1042718, abstract = {We propose a mediator architecture that allows a learning system to retrieve learning objects from heterogeneous repositories. A mediating component accepts queries formulated in a uniform query language, translates them into repository specific queries and passes them to each connected repository. For the translation of queries, a novel ontology-based query-rewriting method has been developed. The architecture has been realized in the Web-based, user-adaptive and interactive e-learning environment ActiveMath. Currently, it enables the ActiveMath’s course planner to access four heterogeneous learning object repositories.}, address = {Berlin / Heidelberg}, author = {K\"{a}rger, Philipp and Ullrich, Carsten and Melis, Erica }, booktitle = {EC-TEL 2006}, citeulike-article-id = {1042718}, editor = {Nejdl, W. and Tochtermann, K. }, keywords = {repository}, posted-at = {2007-01-15 15:25:51}, priority = {2}, publisher = {Springer-Verlag}, title = {Integrating Learning Object Repositories Using a Mediator Architecture}, url = {http://www.l3s.de/~kaerger/publications\_pdf/ectel06\_mediator.pdf}, year = {2006} }

TY - CONF ID - citeulike:1042718 L3 - citeulike-article-id:1042718 TI - Integrating Learning Object Repositories Using a Mediator Architecture T2 - EC-TEL 2006 AD - Berlin / Heidelberg PB - Springer-Verlag N2 - We propose a mediator architecture that allows a learning system to retrieve learning objects from heterogeneous repositories. A mediating component accepts queries formulated in a uniform query language, translates them into repository specific queries and passes them to each connected repository. For the translation of queries, a novel ontology-based query-rewriting method has been developed. The architecture has been realized in the Web-based, user-adaptive and interactive e-learning environment ActiveMath. Currently, it enables the ActiveMath’s course planner to access four heterogeneous learning object repositories. KW - repository AU - Kärger, Philipp AU - Ullrich, Carsten AU - Melis, Erica A2 - Nejdl, W A2 - Tochtermann, K PY - 2006/// UR - http://www.l3s.de/~kaerger/publications_pdf/ectel06_mediator.pdf ER -