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公开(公告)号:EP1891557A2
公开(公告)日:2008-02-27
申请号:EP06784449.8
申请日:2006-05-18
申请人: Google Inc.
发明人: ZHAO, Shubin , BETZ, Jonathan, T.
IPC分类号: G06F17/30
CPC分类号: G06F17/30011 , G06F17/30707 , G06F17/30864 , G06F17/30914 , Y10S707/962
摘要: A method and system of learning, or bootstrapping, facts from semi-structured text is described. Starting with a set of seed facts associated with an object, documents associated with the object are identified. The identified documents are checked to determine if each has at least a first predefined number of seed facts. If a document does have at least a first predefined number of seed facts, a contextual pattern associated with the seed facts is identified and other instances of content in the document matching the contextual pattern are identified. If the document includes at least a second predefined number of the other instances of content matching the contextual pattern, then facts may be extracted from the other instances.
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公开(公告)号:EP2545507A2
公开(公告)日:2013-01-16
申请号:EP11753825.6
申请日:2011-03-03
申请人: Google Inc.
发明人: WANG, Xiaohang , MITCHELL, Andrew Robert , IP, Lawrence Poi Heng , ZHAO, Shubin , NOWKA, Andrew John
CPC分类号: G06Q20/12 , G06Q20/4016 , G06Q40/00 , G06Q40/02
摘要: Systems and methods for detecting fraudulent merchants using the content of orders completed by the merchants. A fraud detection engine of a fraud detection system generates a fraud detection model using feature data extracted from order content data for known fraudulent and known non-fraudulent merchants. The fraud detection engine executes the model using feature data extracted from order content data for a target merchant to determine a fraud risk associated with the target merchant. If the fraud risk of the merchant is indicative of a fraudulent merchant, the fraud detection system can issue a request to a fraud analyst to review the target merchant further. The results of the fraud analyst's review can be used to update the fraud detection model.
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