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PUBLIC MARKS from jackiege with tags se & community

******通过对百度空间中的用户文章分析、用户对百度知道、百度百科以及百度贴吧的内容参与情况的分析，百度可以准确地得到每一个百度用户的兴趣点、爱好点以及特征，百度只是通过记录用

baidu知道的成功很大程度上也依赖与它的激励制度，大凡从国外照搬过来的模式国内都喜欢全盘复制，比如说wiki，国外是大众参与，共同贡献内容，无偿回报，但是到了国内好像就不行了，所以

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