2008

• Silva, J. and Restivo, F. Towards the convergence of technologies using Open Standards in Social Networking Software,  EDEN 08 June 2008, Lisbon, Portugal [Poster].

• Silva, J. and Restivo, F. E-assessment through Social Networks in a Portuguese High School Context - A Conceptual Framework, ICL 2008, September 2008, Villach, Austria [Scientific presentation].

• Silva, J. and Restivo, F. Social Networks Usage in a Portuguese High School Learning Context, Web 2.0 Meeting, October 2008, Braga, Portugal [Scientific presentation in portuguese].

• Silva, J. and Restivo, F., Adaptive Learning Environments with Knowledge Representation and Social Interaction . FEUP, December 2008, Porto Portugal [Technical Report] [Scientific presentation in portuguese].

2007

• Silva, J. and Restivo, F.,Applying Virtual Learning Environments in a Portuguese High School Context . EPIA07, December 2007, Guimarães Portugal. [ Doctoral consortium in portuguese].
• Silva, J. and Restivo, F., A Learning Environment with Knowledge Representation and Social Interaction . IADIS E-Learning 2007, July 2007, Lisbon Portugal. Presentation
• Silva, J. and Restivo, F., Adaptive Learning Environments with Knowledge Representation and Social Interaction [ Doctoral consortium]. CISTI2007, June 2007, Porto Portugal. [Doctoral consortium].
• Silva, J. and Restivo, F., Adaptive Learning Environments with Knowledge Representation and Social Interaction . FEUP, February 2007, Porto Portugal [Technical Report].
• Silva, J. and Restivo, F. E-LEARNING NETWORK ENVIRONMENTS WITH TREES OF KNOWLEDGE [not published].

2006

• Silva, J. and Restivo, F. Building a distributed system for dynamic information search, organization and classification for educational purposes, CoMIC'06, Jannuary 2006, Porto Portugal [Scientific presentation].
  
• Silva, J. and Restivo, F. Web-based Knowledge Portal for Educational Purposes, XATA2006 — XML Aplicações e Tecnologias Associadas, February 2006, Portalegre Portugal [Poster].
• Silva, J. and Restivo, F. Combining Ontologies, Social Networks and Argumentation into a Dynamic Learning Portal, ICL 2006, September 2006, Villach Austria [Scientific presentation].
  
• Silva, J. Value proposition on a Web based knowledge Portal, FEUP, March 2006, Porto-Portugal [Technical Report].