Patents by Inventor Claudio Corsi

Claudio Corsi 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).

  • Patent number: 8996622
    Abstract: Disclosed are methods and apparatus for detecting spam hosts. In one embodiment, one or more graphs are generated using data obtained from a query log, where the one or more graphs include at least one of an anticlick graph or a view graph. Values of one or more syntactic features of the one or more graphs are ascertained. Values of one or more semantic features of the one or more graphs are determined by propagating categories from a web directory among nodes in each of the one or more graphs. Spam hosts are then detected based upon the values of the syntactic features and the semantic features.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: March 31, 2015
    Assignee: Yahoo! Inc.
    Inventors: Debora Donato, Aristides Gionis, Claudio Corsi, Paolo Ferragina
  • Publication number: 20100082752
    Abstract: Disclosed are methods and apparatus for detecting spam hosts. In one embodiment, one or more graphs are generated using data obtained from a query log, where the one or more graphs include at least one of an anticlick graph or a view graph. Values of one or more syntactic features of the one or more graphs are ascertained. Values of one or more semantic features of the one or more graphs are determined by propagating categories from a web directory among nodes in each of the one or more graphs. Spam hosts are then detected based upon the values of the syntactic features and the semantic features.
    Type: Application
    Filed: September 30, 2008
    Publication date: April 1, 2010
    Inventors: Debora Donato, Aristides Gionis, Claudio Corsi, Paolo Ferragina
  • Publication number: 20100082694
    Abstract: Disclosed are methods and apparatus for detecting spam-attracting queries. In one embodiment, one or more graphs are generated using data obtained from a query log, where the one or more graphs include at least one of an anticlick graph or a view graph. Values of one or more syntactic features of the one or more graphs are ascertained. Values of one or more semantic features of the one or more graphs are determined by propagating categories from a web directory among nodes in each of the one or more graphs. Spam-attracting queries are then detected based upon the values of the syntactic features and the semantic features.
    Type: Application
    Filed: September 30, 2008
    Publication date: April 1, 2010
    Inventors: Claudio Corsi, Debora Donato, Aristides Gionis, Paolo Ferragina