Day 2.

Keynote: Hector Garcia-Molina and Zoltan Gyongyi, Stanford – Web Spam: Current Techniques and Future Challenges. A graphical view of search engine pollution and techniques for boosting pages content and links. (Repetition, dumping, weaving, and stitching) Classic research stuff. Zoltan has been working with yahoo on Trustrank, demoting pages with high pagerank based on weak trust relationships.