Patents by Inventor Tryggve E. Sorensen

Tryggve E. Sorensen 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).

  • Methods, systems, and computer program products for collaborative junk mail filtering
    Patent number: 9094236
    Abstract: A method, system and computer program product for collaborative filtering of junk electronic mail (e-mail) are provided. The method includes receiving an e-mail message at a service provider, where the e-mail message includes a source address and a recipient address. The method further includes searching a collaborative junk register (CJR) for the recipient address in a group member list, where the group member list includes multiple member addresses and a junk address. The method additionally includes comparing the source address to the junk address. The method also includes filtering the e-mail message at the service provider to prevent delivery of the e-mail message in response to locating the recipient address in the CJR and identifying source address as the junk address.
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: July 28, 2015
    Assignee: International Business Machines Corporation
    Inventors: Lars Fanebost, Tom Rojahn, Tryggve E. Sorensen, Tore Stokkedal
  • METHODS, SYSTEMS, AND COMPUTER PROGRAM PRODUCTS FOR COLLABORATIVE JUNK MAIL FILTERING
    Publication number: 20090313333
    Abstract: A method, system and computer program product for collaborative filtering of junk electronic mail (e-mail) are provided. The method includes receiving an e-mail message at a service provider, where the e-mail message includes a source address and a recipient address. The method further includes searching a collaborative junk register (CJR) for the recipient address in a group member list, where the group member list includes multiple member addresses and a junk address. The method additionally includes comparing the source address to the junk address. The method also includes filtering the e-mail message at the service provider to prevent delivery of the e-mail message in response to locating the recipient address in the CJR and identifying source address as the junk address.
    Type: Application
    Filed: June 11, 2008
    Publication date: December 17, 2009
    Applicant: International Business Machines Corporation
    Inventors: Lars Fanebost, Tom Rojahn, Tryggve E. Sorensen, Tore Stokkedal