Patents by Inventor Raghuram Vijapurapu

Raghuram Vijapurapu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fraudulent page detection
    Patent number: 8806622
    Abstract: A method of determining whether a page is a fraudulent page comprising the steps of: extracting a plurality of tokens from the page, (403) for each token, calculating a token probability being the probability of the token being in a fraudulent page (404), using the calculated token probabilities, calculating a page probability being the probability of the page being a fraudulent page (405), wherein the token probability of a token being in a fraudulent page is calculated based on a number of fraudulent pages and a number of non-fraudulent pages which contain the token from a training corpus of fraudulent pages and non-fraudulent pages.
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: August 12, 2014
    Assignee: SentryBay Limited
    Inventors: David Lynch Waterson, Bevan J Collins, Raghuram Vijapurapu, Marcus Andrew Whittington
  • Fraudulent Page Detection
    Publication number: 20120023566
    Abstract: A method of determining whether a page is a fraudulent page comprising the steps of: extracting a plurality of tokens from the page, (403) for each token, calculating a token probability being the probability of the token being in a fraudulent page (404), using the calculated token probabilities, calculating a page probability being the probability of the page being a fraudulent page (405), wherein the token probability of a token being in a fraudulent page is calculated based on a number of fraudulent pages and a number of non-fraudulent pages which contain the token from a training corpus of fraudulent pages and non-fraudulent pages.
    Type: Application
    Filed: April 21, 2009
    Publication date: January 26, 2012
    Applicant: Sentrybay Limited
    Inventors: David Lynch Waterson, Bevan J. Collins, Raghuram Vijapurapu, Marcus Andrew Whittington