1. Research on socnets and e-infrastructure Ramon Sangüesa I2cat Foundation/Complex Networks Group UPC Barcelona, Catalonia, Spain

2. I2cat Foundation/Complex networks group Goals –Started in 1999 as a strategic organization for the development of internet2 platforms, services and applications Our group –Focused on collaborative environments –Collaboratories Three current lines –Grid Computing: environments for distributed media production (GridOn UCLP demo at Igrid2005 San Diego) –Collaboration environments –Research on socnets from the complex network perspective

3. Socnets Mechanisms for complex network formation (ECAI 2000, IJCAI 2005, JASSS 2005) –Emergence of complex networks from social exchanges and local optimitzation –Effects of topology on the evolution of cooperative games Collaborative environments for innovation (Journal of Evolutionary Economics) –Analysis of innovation communities –Diffusion of innovations

4. Collaborative environments Netexpert (IJCAI 2001) –An agent-based expertise location and recommendation system –I2CAT Collaboratory: integration of socnets knowledge management tools and videoconferencing E-cat (2005): an environment for collaborative innovation in e-government –Regional Autonomous Government Bioregion, Euroregion, Tecnoregion –Group tools: blogs, wikis, document sharing, socnets

5. Next Integration –Grid Services and collaborative platforms –Grid as Social Systems –Participation in CANARIE i-infrastructure projects SocNets –Dynamics, trust and reputation –Recommender systems on socnets – Application to collaborative innovation environments