------------------------------------------------------------------------- VLDB 2005 Tutorials (6) ------------------------------------------------------------------------- "Approximate Joins: Concepts and Techniques" Nick Koudas, Divesh Srivastava "Contextual Insight in Search: Enabling Technologies and Applications" Aleksander Øhrn "Offline and Stream Algorithms for Efficient Computation of Synopsis Structures" Sudipto Guha, Kyuseok Shim "Personalized Systems: Models and Methods from an IR and DB Perspective" Yannis Ioannidis, Georgia Koutrika "Semantic Overlay Networks" Karl Aberer, Philippe Cudre-Mauroux "XML Full-Text Search: Challenges and Opportunities" Sihem Amer-Yahia, Jayavel Shanmugasundaram