Benjamin, who’s recently become an enthusiastic chess player, got to face off against the chess playing robot:
Ben attempted a Scholar’s Mate, was stymied, and then had to go on defense; I suspect he’s been winning at school with that one.

Nathaniel and I were pressed against the barriers to see the lightning demonstration:
Cool.

At an event where most exhibitors have made or built something physical, I must comment that a purely virtual or computational exhibit underwhelms.

Statistical Data Mining Tutorials

Andrew Moore's "set of tutorials on many aspects of statistical data mining, including the foundations of probability, the foundations of statistical data analysis, and most of the classic machine learning and data mining algorithms."

Swish-e :: Home Page

"Simple Web Indexing System for Humans - Enhanced". Comparable to htdig.

Hadoop Sorts a Petabyte in 16.25 Hours and a Terabyte in 62 Seconds

Recent results from Yahoo!'s sorting benchmark run.

Running Hadoop On Ubuntu Linux (Multi-Node Cluster) - Michael G. Noll

A useful set of instructions on Hadoop setup and issues.