Protecting against fraudulent reviews
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Protecting against fraudulent reviews
What's the best way to get some medium level security for my web site's product reviews. What I want to protect against is someone logging in from one computer with multiple user names and writing lots of rave reviews about their own product.
I know a cookie can help, but don't most people disable or clean cookies these days?
Anyone know how amazon et.el. do this kind of thing?
What about eBay's shill bidding algo. Is this in the same field.
Looking for some jump off points to get my research going. Even clues on the right keywords to search for would be great.
Any help greatly appreciated.
I know a cookie can help, but don't most people disable or clean cookies these days?
Anyone know how amazon et.el. do this kind of thing?
What about eBay's shill bidding algo. Is this in the same field.
Looking for some jump off points to get my research going. Even clues on the right keywords to search for would be great.
Any help greatly appreciated.
- superdezign
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- maliskoleather
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The length of membership isn't exactly reliable, though. If a client has been a member for 8 years but is spamming their product, those reviews should be considered irrelevant. Likewise, if a client has been a member for a day, but provides a valid review of a product, it should weigh a little more than someone who's spamming reviews.
You can cookie a product, but that isn't reliable. You can track IP, but again, unreliable. I'd suggest something like Newegg and a lot of other sites. Don't restrict reviews, but instead have a rating of the specific review itself. People can click "Was this review helpful?", yes/no, and given a certain limit, hide that review. Say if 40% of the total number of votes (either pro/con) for ALL reviews on that product clicked No to a review, you hide that review because it was deemed irrelevant, or invalid. You should still allow them to go to that review, however, by means of a "show all reviews" type setup.
You can cookie a product, but that isn't reliable. You can track IP, but again, unreliable. I'd suggest something like Newegg and a lot of other sites. Don't restrict reviews, but instead have a rating of the specific review itself. People can click "Was this review helpful?", yes/no, and given a certain limit, hide that review. Say if 40% of the total number of votes (either pro/con) for ALL reviews on that product clicked No to a review, you hide that review because it was deemed irrelevant, or invalid. You should still allow them to go to that review, however, by means of a "show all reviews" type setup.
- AKA Panama Jack
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Most sites key the review the the invoice for the item that was sold.
In otherwords only people who actually bought the product from you would be able to post a review on the product. You give them the option to post a review for up to 30 days after the item shipped. You key it to the invoice and product number in the invoice with ship date.
Not that hard and prevents spamming as only buyers can actually post a review.
In otherwords only people who actually bought the product from you would be able to post a review on the product. You give them the option to post a review for up to 30 days after the item shipped. You key it to the invoice and product number in the invoice with ship date.
Not that hard and prevents spamming as only buyers can actually post a review.
- AKA Panama Jack
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- Joined: Mon Nov 14, 2005 4:21 pm
If you don't do something similar your product reviews will be overtaken by link spammers fairly quickly. Then you need to have someone full time going through and deleting review spam everyday. I know from experience.christus wrote:Unfortunately that model would restrict a buyer of the same product from another site from posting a useful review.