Wolfram Alpha

So Wolfram Alpha's the latest buzz around the web. Have any thoughts about it? Use it yet?

It's not a search engine per se, falls more in the area of "semantic web development", basically a computational knowledge engine. As the site puts it: "You enter your question or calculation, and Wolfram|Alpha uses its built-in algorithms and growing collection of data to compute the answer."

Semantic search, whose goal is to turn interaction with the internet into something much closer to the intelligent man-machine dialogue exemplified by HAL 9000 in Stanley Kubrick's 2001. That study, at present, is focused on issues of disambiguation and the creation of "ontologies" - the re-structuring of data sets to align them more closely with the information requirements likely to be placed upon them.

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There is a good chance that in the long term it will revolutionize how we interact with the internet.

Or is it just wikipedia with some fancy calculators?