Building Web Reputation Systems
Bryce Glass
Language: English
Pages: 336
ISBN: 059615979X
Format: PDF / Kindle (mobi) / ePub
What do Amazon's product reviews, eBay's feedback score system, Slashdot's Karma System, and Xbox Live's Achievements have in common? They're all examples of successful reputation systems that enable consumer websites to manage and present user contributions most effectively. This book shows you how to design and develop reputation systems for your own sites or web applications, written by experts who have designed web communities for Yahoo! and other prominent sites.
Building Web Reputation Systems helps you ask the hard questions about these underlying mechanisms, and why they're critical for any organization that draws from or depends on user-generated content. It's a must-have for system architects, product managers, community support staff, and UI designers.
- Scale your reputation system to handle an overwhelming inflow of user contributions
- Determine the quality of contributions, and learn why some are more useful than others
- Become familiar with different models that encourage first-class contributions
- Discover tricks of moderation and how to stamp out the worst contributions quickly and efficiently
- Engage contributors and reward them in a way that gets them to return
- Examine a case study based on actual reputation deployments at industry-leading social sites, including Yahoo!, Flickr, and eBay
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review and social media sites. And dropshippers are omnipresent on eBay. eBay drop-shippers put the middleman back into the online market; they are people who resell items that they don’t even own. It works roughly like this: 1. A seller develops a good reputation, gaining a seller feedback karma of at least 25 for selling items that she personally owns. 2. The seller buys some drop-shipping software, which helps locate items for sale on eBay and elsewhere cheaply, or joins an online
2.0, but it has also been slow to attract advertisers—particularly big, traditional (but deeppocketed) companies worried about displaying their own brand in the Wild West environment that’s sometimes evident on sites like YouTube or Flickr. Once again, reputation systems offer a way out of this conundrum. By tracking the high-quality contributors and contributions on your site, you can guarantee to advertisers that their brand will be associated only with content that meets or exceeds certain
dithering, unsure about taking on the mantle of authorship, she said, “You should go for it!” Her faith in and support for me is an inspiration. To my parents, Frank and Kathy Farmer, for your constant encouragement to dig everdeeper into whatever topic I was interested in, I am forever grateful. I hope that sharing my knowledge will help others along a similar path. Reeve, Cassi, Amanda, and Alice Farmer—you are my pride and joy, and the reason I keep striving to improve the world you will
as we move our critical personal and professional decisions online. What kinds of value judgments are we talking about? All kinds. Value judgments can be decisive, continuous, and expressive. Sometimes a judgment is as simple as declaring that something is noteworthy (thumbs up or a favorite). Other times you want to know the relative rank or a numeric scale value of something in order to decide how much of your precious resources—attention, time, or money—to dedicate to it. Still other
pattern. See Chapter 6.) Juxtapose Digg’s approach with that of Flickr. The popular photo-sharing and discovery service also makes use of reputation to surface quality content, but it does not display explicit reputations, rather it prominently displays items that achieve a certain reputation and that can be browsed (daily, weekly, or monthly) in the “Explore” gallery (at http://www.flickr.com/explore); see Figure 7-2. The result is a very consistent and impressive display of high-quality photos