It does some data mining, but there's also a lot of soft AI (optimizing an airline travel search, building a basic search engine). It's quite good, although th

It does some data mining, but there's also a lot of soft AI (optimizing an airline travel search, building a basic search engine). It's quite good, although there are a number of annoying typos in the code, a trend that I've noticed recently with a number of O'reilly books unfortunately. Still, definitely worth a read, the intro to practical applications of some of the AI topics in particular is really cool.