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wu :: forums    riddles    general problem-solving / chatting / whatever (Moderators: Eigenray, william wu, Icarus, towr, SMQ, ThudnBlunder, Grimbal)    hyperlinks as bets: pagerank as artificial market « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: hyperlinks as bets: pagerank as artificial market  (Read 638 times) amichail Senior Riddler     Posts: 450 hyperlinks as bets: pagerank as artificial market   « on: Jun 28th, 2007, 6:29pm » Quote Modify When page X links to Y, then the pagerank of X goes up (down) if the pagerank of Y goes up (down).   Would such a thing make sense?   Is it prone to spamming?   What sort of formula would you use for this modified pagerank computation? IP Logged DropZap - a new kind of block elimination game Grimbal wu::riddles Moderator Uberpuzzler     Gender: Posts: 7527 Re: hyperlinks as bets: pagerank as artificial mar   « Reply #1 on: Jun 29th, 2007, 2:09am » Quote Modify I didn't see first that it is the reverse of the usual relationship.  The linking page gets the reputation of the linked page.   That would be too easy, wouldn't it?  Make random searches, save the highest-ranking result and link to these.  That would boost your ranking. IP Logged Barukh Uberpuzzler     Gender: Posts: 2276 Re: hyperlinks as bets: pagerank as artificial mar   « Reply #2 on: Jun 29th, 2007, 4:23am » Quote Modify on Jun 28th, 2007, 6:29pm, amichail wrote: What sort of formula would you use for this modified pagerank computation? The usual PR of a page U sums over all the links to U (back-links).     In this modified version, the sum would be over all the pages U links to (forward-links).     IP Logged amichail Senior Riddler     Posts: 450 Re: hyperlinks as bets: pagerank as artificial mar   « Reply #3 on: Jun 29th, 2007, 6:05am » Quote Modify on Jun 29th, 2007, 2:09am, Grimbal wrote: I didn't see first that it is the reverse of the usual relationship.  The linking page gets the reputation of the linked page.   That would be too easy, wouldn't it?  Make random searches, save the highest-ranking result and link to these.  That would boost your ranking. But it looks at CHANGES in (modified?) pagerank.  The question is whether all such approaches are easy to spam. IP Logged DropZap - a new kind of block elimination game amichail Senior Riddler     Posts: 450 Re: hyperlinks as bets: pagerank as artificial mar   « Reply #4 on: Jul 10th, 2007, 6:45pm » Quote Modify No insights on this? IP Logged DropZap - a new kind of block elimination game Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------  - easy   - medium   - hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ => general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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