Patents by Inventor Toshitaka Iwao

Toshitaka Iwao 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).

  • Information search system, information search method, HTML document structure analyzing method, and program product
    Patent number: 7496581
    Abstract: In an information search using a computer, a flexible information search based on a variety of strategies that depend on a purpose of use of information is effectively realized. An information search system comprises a document structure analyzing section for analyzing a structure of an HTML document taking into account a meaning in a prescribed web page, a significance calculating section for calculating the degrees of significance of other web sites linking from the web page, based on a result of the analysis and according to predetermined strategies, and a crawling executing section for crawling the web sites depending on the degrees of significance calculated by the significance calculating section.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: February 24, 2009
    Assignee: International Business Machines Corporation
    Inventors: Hiroshi Nomiyama, Toshitaka Iwao
  • Information search system, information search method, HTML document structure analyzing method, and program product
    Publication number: 20040054654
    Abstract: In an information search using a computer, a flexible information search based on a variety of strategies that depend on a purpose of use of information is effectively realized. An information search system comprises a document structure analyzing section for analyzing a structure of an HTML document taking into account a meaning in a prescribed web page, a significance calculating section for calculating the degrees of significance of other web sites linking from the web page, based on a result of the analysis and according to predetermined strategies, and a crawling executing section for crawling the web sites depending on the degrees of significance calculated by the significance calculating section.
    Type: Application
    Filed: July 17, 2003
    Publication date: March 18, 2004
    Applicant: International Business Machines Corporation
    Inventors: Hiroshi Nomiyama, Toshitaka Iwao