The proceedings contain 19 papers. The topics discussed include: a framework for flexible user profile mashups; handling users local contexts in web 2.0; context-aware notification management in an integrated collaborative environment; a general framework for personalized text classification and annotation; a personalized tag-based recommendation in social web systems; using asynchronous client-side user monitoring to enhance user modeling in adaptive e-learning systems; customized edit interfaces for wikis via semantic annotations; visualizing web server logs for a web 1.0 audience using web 2.0 technologies; new generation of social networks based on semantic web technologies; balanced recommenders: a hybrid approach to improve and extend the functionality of traditional recommenders; visualizing reciprocal and non-reciprocal relationships in an online community; and a user-centric authentication and privacy control mechanism for user model interoperability in social networking sites.
