The International Workshop on "The Internet Challenge: Technology and Applications" is the fifth in a series of workshops that were established by Shanghai Jiao Tong University and Technische Universitat Berlin. The goal of those workshops is to bring together researchers from both universities in order to present research results to an international community. Not only the enabling technology but also the challenging applications based on Internet technology are covered in the workshop such as: information extraction, content correlation analysis; electronic trading, electronic learning over the Internet; Internet-based robot control, telepresence, supply chain modelling; communication techniques as wireless LANs; multistage interconnection; quality of service; metacomputing and performance prediction; image retrieval; and spatial reasoning.