We propose and investigate a semantics for peer data exchange systems where different peers are related by data exchange constraints and trust relationships. These two elements plus the data at the peers' sites and their ...

P2P architecture has been used successfully to reduce costs and increase scalability of Internet live streaming systems. In a P2P live broadcast, users (peers) exchange video chunks to each other and cooperate for the ...

In Large Scale Collaborative Virtual Environments LSCVEs, extensive synthetic 3D environments are shared among a large number of users that collaborate towards the same objective. As all users in these environments ...

Agents negotiate depending on individual perceptions of facts, events, trends and special circumstances that define the negotiation context. The negotiation context affects in different ways each agent's preferences, ...

The school experience provides a unique socio-cultural exchange in which individuals share experiences and behaviors with those around them, being influenced directly by their social context (Falck, Heblich & Luedemann, ...

The environmental situation demands new forms of energy generation; the current energy matrix is dependent on fossil fuels that besides its harmful potential is also a non-renewable natural resource. Sensitive to this ...

Education can help secure inclusive and resilient development around water resources. However, it is difficult to provide the latest science to those managing water resources (both now and in the future). Collectively, we ...