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Ever look at your site from Googles Imode search?
[google.com...]
Notice how it id's your sites navigation links? That's done on the fly. Imagine what they can do with it in an algo.
[edited by: TheDave at 2:11 pm (utc) on April 3, 2003]
I have a nav bar - which it picks up as navigation.
I have a list of recent widgets and a random selection of widgets which it picks up as navigation.
Then I have text that includes lists of different types of widget with each type a link to a page. Out of context the types themselves would just be comma separated links. In context they have text either side as part of a sentence. This is listed as is rather than declaring it navagation.
Then it picks up the bottom menu bar as nav. RHS links as nav. Footer links as nav.
I'd say it was spot on on every call.
Much more, and much easier.
Break out your secret decoder ring. As you probably know, in an ASCII character set [robelle.com], we assign a number for every letter of the alphabet. Here is the same but simplified idea:
abcdefghij
0123456789
Now imagine how a scrap code looks:
<a href="abc">abc.com</a>
And if we converted it to numbers, it might look (example string)
13112154546879301274
Now think of that template on every page. To id the template, we just have to do a sliding match looking where character strings match.
13112154546879301274
13112154546879301274
Do that sliding match onward down through the page looking for identicle fragments of code and we have identified part or all of the site template. We can then use the template like a cutout pattern to "sift" the rest of the pages and any new pages that come up.
Template scraps from the home page that have in site links to other valid pages that in turn have identifiable templates, have the highest likelihood of being a nav link.