He has a customized service management database that works well for him.

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SuccessHawk works like a contact database but is tailored to a job search.

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Here's how it works: Insider Pages licensed Yellow Pages listings to populate its database.

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To achieve this, Facebook says it works with a company, Datalogix, that controls a vast database culled from people's use of loyalty-card programs.

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So, Autodesk opted for a customised Systran system which translates search results into French, Spanish, German or Italian. (Support for Japanese is in the works.) By analysing the documents in Autodesk's database, and exploiting the fact that they are written in a consistent style, it was possible to tune the translation system to produce far more accurate results.

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Last year, Mitchell's canvases were the two most expensive works by any woman artist sold at auction, according to auction database Artnet.

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This database depends on input from the individual brokers and the firms at which that broker works (self regulating).

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According to Bowker's Books in Print database, which tracks print and e-books published and distributed in the United States, 164 such works have been written so far - they either directly address the event or use it as a peg to hang greater literary concerns about love, life and loss.

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To see these spectacular works of art and 20 million more, check out Artfact.com, the world's largest database of auction records for art and antiques.

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