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Gallery: Google's Knol takes on Wikipedia

Google has unveiled its own "unit of knowledge" with a competitor to Wikipedia called Knol. Google's online encyclopedia promises to lend some credence by identifying the authors.

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Perhaps, Google was tired of sending out Wikipedia search links with almost every inquiry so the search company created its own wiki-style online encyclopedia called Knol--a unit of knowlege. ZDNet's Garett Rogers says Knol could eventually "suck the life" out of Wikipedia.

The main difference between Wikipedia, which is often criticized for letting inaccuracies slip through its publishing process, and Knol, is that Knol articles will most often carry a byline. Knol also allows readers to rate the articles, post a comment, and write a competing article on the same subject.

Knol home page. Remember you can click on any screenshot to expand.

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Google issues guidelines for submitting Knol articles.

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Edits to the Knol articles are tracked.

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An example of a Knol is this extensive article on tooth pain written by Professor and Chairman of General Dentistry and Director of the Craniofacial Pain Center Tufts Dental School.

A good addition to this article would be a submission by ZDNet's Roland Piquepaille on a potential breakthrough in dentistry.

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In comparision, the Wikipedia search for tooth decay redirects to dental caries which follows the history, causes, and treatments for dental diseases--complete with photos of rotten teeth.

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Knol shows off an extensive posting on carpal tunnel which gets to the bare bones of the matter.

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In contrast Wikipedia's carpal tunnel entry is mostly links to other sites.

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Knol has serious postings like this one on aids which include article ratings and talkbacks.

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Some early Knol highlighted Knol postings were of general interest. Its expert is a Chicago-area photographer and writer.

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Knol's feature on Thursday was about backpacking.

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Here's a how to article on toilet clogs.

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A first-time triathalete wrote an article about his experiences.

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