We moved on from the network structure and network formation topics that we've been studying so far, to now discuss one example of how to exploit our understanding of network structure -- Search. We spent most of today talking about the general architecture of a search engine (crawling, indexing, ranking, and display), but just got to the point where we were discussing the key new insight of google when it formed -- pagerank.
We ended by putting up a first take on pagerank and I left you with the question of coming up with an example webgraph that "breaks" our first cut at pagerank. So, we'll pick up there on Wednesday.
Remember -- the next homework will go out soon and you'll be competing in groups of two for ranking on google for the term "rankmaniac 2010". One key constraint that I forgot to mention in class about this though is your page (which you are aiming to have show up first on google/bing) cannot be on the caltech domain. So, you have to grab a free blog/wiki/etc from somewhere else to host your page.
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My slides and notes are now up for both of the search lectures...hopefully that helps with the rankmaniac assignment.
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