Patents by Inventor Sergio I'Lesca

Sergio I'Lesca 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).

  • Visual and interactive wrapper generation, automated information extraction from Web pages, and translation into XML
    Patent number: 7581170
    Abstract: A method and a system for information extraction from Web pages formatted with markup languages such as HTML [8]. A method and system for interactively and visually describing information patterns of interest based on visualized sample Web pages [5,6,16-29]. A method and data structure for representing and storing these patterns [1]. A method and system for extracting information corresponding to a set of previously defined patterns from Web pages [2], and a method for transforming the extracted data into XML is described. Each pattern is defined via the (interactive) specification of one or more filters. Two or more filters for the same pattern contribute disjunctively to the pattern definition [3], that is, an actual pattern describes the set of all targets specified by any of its filters.
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: August 25, 2009
    Assignee: Lixto Software GmbH
    Inventors: Robert Baumgartner, Sergio I'Lesca, Georg Gottlob, Marcus Herzoo
  • Visual and interactive wrapper generation, automated information extraction from web pages, and translation into xml
    Publication number: 20050022115
    Abstract: A method and a system for information extraction from Web pages formatted with markup languages such as HTML [8]. A method and system for interactively and visually describing information patterns of interest based on visualized sample Web pages [5,6,16-29]. A method and data structure for representing and storing these patterns [1]. A method and system for extracting information corresponding to a set of previously defined patterns from Web pages [2], and a method for transforming the extracted data into XML is described. Each pattern is defined via the (interactive) specification of one or more filters. Two or more filters for the same pattern contribute disjunctively to the pattern definition [3], that is, an actual pattern describes the set of all targets specified by any of its filters.
    Type: Application
    Filed: May 28, 2002
    Publication date: January 27, 2005
    Inventors: Roberts Baumgartner, Sergio I'Lesca, Georg Gottlob, Marcus Herzoo