发明名称 CAPTCHA-based spam control for content creation systems
摘要 Methods and systems of spam control for content creation systems include evaluation of documents created by a creator for characteristics associated with spam. A challenge rate is determined based on the evaluation. Whenever the creator attempts to create a document, he may be presented a challenge in accordance with the challenge rate. The challenge rate may be adjusted based on the creator's response to the challenge.
申请公布号 US7680891(B1) 申请公布日期 2010.03.16
申请号 US20060425118 申请日期 2006.06.19
申请人 GOOGLE INC. 发明人 PONGSAJAPAN JOHN
分类号 G06F15/16 主分类号 G06F15/16
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