In this paper we address the problem of propagating user interests in ontology-based user
models. Our ontology-based user model (OBUM) is devised as an overlay over the domain …

Successful interaction with products, tools and technologies depends on usable designs,
accommodating the needs of potential users and does not require costly training. In this …

In this paper we introduce the notion of “Social Web of Intelligent Things”(SWIT hereafter) as
a an evolution of both the “Web of Things” and “Smart Objects” paradigms. In a SWIT, things …

Recent extensive usage of ontologies as knowledge bases that enable rigorous
representation and reasoning over heterogenous data poses certain challenges in their …

In the social web, people use social systems for sharing content and opinions, for
communicating with friends, for tagging, etc. People usually have different accounts and …

In the last ten years, ontology-based recommender systems have been shown to be effective
tools for predicting user preferences and suggesting items. There are however some issues …

This paper presents a framework and a prototype implementation of a system that integrates
ontological knowledge base with the services for the users in mobility. Our system tries to …

In addition to being used to access data and services on the Internet, mobile phones can
also be used to retrieve information about physical objects. In this paper we present a …

In addition to using mobile phones to access data and services on the Internet, they can also
be used to retrieve information about physical objects. In this paper we present a framework …

This paper describes the methodology adopted and the results obtained within the
ergonomic design of the WantEat interactive system. The reference methodology for this …