their preferences in a simple manner, through examples presented to them. The system then makes use of an ontology model, based on expert information and social web resources. It elicits the user’s preferences guided by this ontology in an interactive and dynamic manner. We show that this leads to more effective

The EUMSSI project (Event Understanding through Multimodal Social Stream Interpretation) aims at developing technologies for aggregating data presented as unstructured information in sources of very different nature. The multimodal analytics will help organize, classify and clus-ter cross-media

is many, it is more efficient and easier to find the right preference items; (3) if the user desired service has been removed, the system can utilize the personalized hierarchy service structure of the preference tree to calculate and recommend similar services. After the introduction of the user

recommendation approach that combines several aspects of users -i.e. their preferences (usually in the shape of items' metadata) and interactions within a social community modeled using hypergraphs -together with items' multimedia features and context information within a general framework that can

Probabilistic models can learn users ’ preferences from the history of their item adoptions on a social media site, and in turn, recommend new items to users based on learned preferences. However, current models ignore psychological factors that play an important role in shaping online social

I hereby declare that I have created this work completely on my own and used no other sources or tools than the ones listed, and that I have marked any citations accordingly. Hiermit versichere ich, dass ich die vorliegende Arbeit selbständig verfasst und keine anderen als die angegebenen Quellen und Hilfsmittel benutzt sowie Zitate kenntlich gemacht habe.

). How much effort they require depends on domain and application. Some recommender systems for books or videos require rating a specific number of items before they generate the first prediction. If users can save money by not buying the wrong books and videos this effort might pay off. The Usenet news

With the increasing availability of data, it becomes more important to have automatic methods to manage data and retrieve information. Data processing, especially in the era of Social Media, is changing users behaviours. Users are ever more interested in information rather than in mere raw data

IOS Press Utilization of intelligent agents for supporting citizens in their access to e-government services 1

Wittgenstein's argument that there could be no "private language" --because language is based on rulefollowing and rules are shared social conventions --is probably overstated and refutable, for present purposes it is valid enough: Language is the main medium of interaction of our species