Conceptual structures
Horting hatches an egg: a new graph-theoretic approach to collaborative filtering
KDD '99 Proceedings of the fifth ACM SIGKDD international conference on Knowledge discovery and data mining
User Modeling and User-Adapted Interaction
A graph model for E-commerce recommender systems
Journal of the American Society for Information Science and Technology
Mediation of user models for enhanced personalization in recommender systems
User Modeling and User-Adapted Interaction
User model interoperability: a survey
User Modeling and User-Adapted Interaction
Gumo: the general user model ontology
UM'05 Proceedings of the 10th international conference on User Modeling
Recommender systems and the social web
UMAP'11 Proceedings of the 19th international conference on Advances in User Modeling
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An overload in service applications and websites induced by ubiquitous connectivity has brought the need for personalization, as a way to cope with it. However, the need for providing every service with a user model calls for interoperable user models, since user details are scattered in many different systems (e.g., online services such as mail/banking/healthcare/ecommerce sites/social networks), each storing the user's details, preferences and history in different representations and data formats. Various approaches for user modeling interoperability were studied from different perspectives (general ontologies, personalized ontologies, mediation), but so far the challenges are yet to be met. This paper proposes a new way for representing user models, an abstracted graph based one, which will support both interoperability and advanced user modeling features.