http://www.internetmarketingninjas.com/ Jim Boykin, CEO of Internet Marketing Ninjas, on how content authors can influence rankings and what role co-citation plays in that
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Bibliographic Co-Citation is a popular similarity
measure used to establish a subject similarity
between two items. If A and B are both cited by C,
they may be said to be related to one another,
even though they don’t directly reference each
other. If A and B are both cited by many other
items, they have a stronger relationship. The more
items they are cited by, the stronger their
relationship is. (sourceforge.net)
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Since the signatures of reputable writers can be
used to promote the ranking of signed content in
web search results, writers have a powerful
incentive to establish and maintain a good
reputational score.
…a writer should have a higher reputational score,
regardless of the content signed by the writer, if
the content signed by the writer is frequently
referenced by other writers or content.
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Similarly, if the signer has a large reputational score
due to the writer having an established reputation for
providing accurate reviews, the rank of the
referenced content can be raised accordingly.
Assuming that a given writer has a high reputational
score, representing an established reputation for
authoring valuable content, then additional content
authored and signed by that writer will be promoted
relative to unsigned content or content from less
reputable writers in search results.
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Is this article written by an expert or enthusiast who
knows the topic well, or is it more shallow in nature?
How much quality control is done on content?
Is the site a recognized authority on its topic?
Is the content mass-produced by or outsourced to a large
number of creators, or spread across a large network of
sites, so that individual pages or sites don’t get as much
attention or care?