Tassilo Pellegrini

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The project SESAME uses semantic modeling and reasoning to support home owners and building managers in saving energy and in optimizing their energy costs while maintaining their preferred quality of living. We design a semantic layer for a technical solution that integrates smart metering, building automation and policy-based reasoning in order to offer an(More)
We propose a model to represent closeness between entities within Web communities and social networks/folksonomies conceptually and numerically, and a community dynamics notification algorithm. The proposed models add value to community environments supporting social networking, and are specifically applicable to the community-driven environments, where(More)
This paper presents conceptual assumptions about the interaction between the structural specificities of a thesaurus and the quality of a thesaurus-based application output. So far hardly any literature exists that discusses thesaurus modelling requirements with respect to the following thesaurus-specific application areas: classifying, indexing,(More)
The project SESAME utilizes smart metering, building automation and policy-based reasoning to support home owners and building managers in saving energy and in optimizing their energy costs while maintaining their preferred quality of living. In this paper, we present how user-created policies are being applied to develop a system of least interference that(More)
Only a few media companies have so far (as of April 2012) publicly declared engagement in the area of Linked Data. Nevertheless among the chosen few are BBC Online, the New York Times, The Guardian and Reuters who utilize Linked Data to add significant value to the news production process. This paper discusses achievements and challenges in utilizing(More)
Only a few media companies have so far (as of April 2012) publicly declared engagement in the area of Linked Data. Nevertheless among the chosen few are BBC Online, the New York Times, The Guardian and Reuters who utilize Linked Data to add significant value to the news production process. This paper discusses achievements and challenges in utilizing(More)
This paper investigates necessities and pitfalls in existing data licensing practices on the World Wide Web. The authors analyzed four open data portals with respect to the available licenses and drew conclusions about the quantity and quality of available licensing information. Additionally the authors address reasoning issues with respect to the automatic(More)
The concept of co-production was originally introduced by political science to explain citizen participation in the provision of public goods. The concept was quickly adopted in business research targeting the question how users could be voluntarily integrated into industrial production settings to improve the development of goods and services on an(More)