Unified theories of cognition
What's in a Step? Toward General, Abstract Representations of Tutoring System Log Data
UM '07 Proceedings of the 11th international conference on User Modeling
Integrating learning object repositories using a mediator architecture
EC-TEL'06 Proceedings of the First European conference on Technology Enhanced Learning: innovative Approaches for Learning and Knowledge Sharing
Understanding the learners' actions when using mathematics learning tools
CICM'12 Proceedings of the 11th international conference on Intelligent Computer Mathematics
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Educational researchers need to exchange and compare their learner-interaction data in order to benefit the learning science community as a whole. In order to support this, we propose accessing data in different repositories via a mediator componentthat maps generic queries to the specific format of a target repository. This approach is supported by a common ontology, and we illustrate the beginnings of such an ontology. We are in the early stages of developing this concept but show its promise by discussing how it can be applied to repositories of disparate educational data, such as collaborative learning interactions and cognitive tutor data.