Addressing Challenges of Ubiquitous User Modeling: Between Mediation and Semantic Integration
Advances in Ubiquitous User Modelling
Handling Semantic Heterogeneity in Interoperable Distributed User Models
Advances in Ubiquitous User Modelling
Ontology-based user modeling for knowledge management systems
UM'03 Proceedings of the 9th international conference on User modeling
A Survey on User Modeling in Multi-application Environments
CENTRIC '10 Proceedings of the 2010 Third International Conference on Advances in Human-Oriented and Personalized Mechanisms, Technologies and Services
Ontologically-Enriched unified user modeling for cross-system personalization
UM'05 Proceedings of the 10th international conference on User Modeling
A framework for browsing, manipulating and maintaining interoperable learner profiles
UM'05 Proceedings of the 10th international conference on User Modeling
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A major challenge for creating personalized diet and activity applications is to capture static, semi-static and dynamic information about a person in a user-friendly way. Sharing and reusing information between heterogeneous sources like social networking applications, personal health records, specialized applications for diet and exercise monitoring, and personal devices with attached sensors can achieve a better understanding of the user. But gathering distributed user information from heterogeneous sources and making sense of it to enable user model interoperability entails handling the semantic heterogeneity of the user models. In this paper we describe a flexible user modeling ontology to provide representation for a ubiquitous user model and a process of concept alignment for interoperability between heterogeneous sources to address the lack of interoperability between profile suppliers and consumers. We provide an example of how information of different profile suppliers can be used to enrich fitness applications and personalize web services.