Patents by Inventor Shivakumar Vaithaynathan

Shivakumar Vaithaynathan 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).

  • Method and system for informing users of subjects of discussion in on -line chats
    Publication number: 20020188681
    Abstract: A method for informing a user of topics of discussion in a recorded chat between two or more people is described. The method includes the steps of identifying elements from the chat having similar content, labeling some or the identified elements as topics, and presenting the topics to the user. Identifying elements from the chat having similar content includes decomposing the chat into utterances made by the people involved in the chat and clustering the utterances using document clustering techniques on each utterance to identify elements in the utterances having similar content.
    Type: Application
    Filed: March 18, 2002
    Publication date: December 12, 2002
    Inventors: Daniel M. Gruen, Mark A. Sheldon, Shivakumar Vaithaynathan
  • Method and system for informing users of subjects of discussion in on-line chats
    Patent number: 6393460
    Abstract: A method for informing a user of topics of discussion in a recorded chat between two or more people is described. The method includes the steps of identifying elements from the chat having similar content, labeling some or all of the identified elements as topics, and presenting the topics to the user. Identifying elements from the chat having similar content includes decomposing the chat into utterances made by the people involved in the chat and clustering the utterances using document clustering techniques on each utterance to identify elements in the utterances having similar content.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: May 21, 2002
    Assignee: International Business Machines Corporation
    Inventors: Daniel M. Gruen, Mark A. Sheldon, Shivakumar Vaithaynathan