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What is unstructured data?

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  macslocum's Photo
Posted Sep 02 2010 04:20 AM

The topic of "unstructured data" came up during my recent interview with IBM researcher Julia Grace. It's an on-the-rise concept, particularly in data circles, and I asked Grace how she would describe it to a layperson. Her simple and on-point answer was great:

Julia GraceJulia Grace: Computer scientists and technophiles are used to dealing with information in rows and columns and strict formats. In the unstructured data space, all bets are off. With unstructured information you have to figure out the rules from the data. So you start with the information, and you try to see what's going on instead of already having an idea of what's happening.

I often think of this when I drive. If I'm driving around San Francisco, I can't even use my navigation system because you can't turn left half the time. There's no rhyme. There's no reason. There's no structure.

Q: So structured data is like Washington, D.C. and unstructured data is like San Francisco?

JG: Yes, that's how I feel about it.



Grace touches on a variety of related topics in the full interview. She'll also be keynoting at the upcoming Web 2.0 Expo in New York (Sept. 27-30).

Save 20% on registration with the code "webny10mca."


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2 Replies

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  bobthedatabaseboy's Photo
Posted Sep 03 2010 06:03 PM

Data has structure. If there's no structure, it's noise. It's too bad that someone representing IBM would cavalierly ignore what Dr. Codd built.
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  Obbie_Z's Photo
Posted Sep 08 2010 09:28 AM

Having driven in both SF and Washington DC, I have a hard time comparing DC to "structured data". With all the roundabouts and random-direction streets, DC seems designed to get one lost.

Washington DC = unstructured
Manhattan = structured (as in, orderly grid)