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Pre-Grant Publication Number: 20100257202

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Discussion (4)

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Michael Clarke (over 2 years ago)

Well, keyword extraction from a source and the automatic construction of a query from those keywords is nothing new - http://www.eso.org/sci/libraries/lisa3/poincotp.html - that's a paper from 1998 comparing a couple of systems, so what's the innovation here? Visual words don't appear to be new, so is the claim just for the recasting of the query such that it eliminates keywords common to backgrounds in its training database? (claim 6).

cpi admin (over 2 years ago)

If you know of any publications or examples please post in the prior art section. After the application's time on P2P has expired, patent examiners are only forwarded submitted prior art and annotations.

Norbert Fuhr (over 2 years ago)

The basic idea is pseudo relevance feedback (claims 1-3), combined with a poor man's version of learning to rank (4-9), and they also apply that to tagged images.
So there is zero invention

Scott Rubin (over 2 years ago)

I'm sure there are many, and much older, examples of content-based information retreival, but two from Google immediately come to mind.

One is the "similar" link that appears in Google search results. That will bring up a list of search results that are similar to the result you have selected. This is retrieving information, a list of search results, based on content, the web site you have selected.

Google also has an application named Google Similar Images that can search for other images based on a selected image.

http://similar-images.googlelabs.com/

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