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System for converting from one document type to a plurality of document types allowing accurate reversal therefrom using tables containing indications regarding non-transformable elements

  • US 5,251,314 A
  • Filed: 06/07/1990
  • Issued: 10/05/1993
  • Est. Priority Date: 06/07/1990
  • Status: Expired due to Fees
First Claim
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1. A computer implemented method in a data processing system for efficiently managing the transformation of a document from a first document type to one of a plurality of second document types by a plurality of applications which may not be able to transform all entities in said document, said method comprising the computer implemented steps of:

  • creating and storing within said data processing system a transform information object in association with said document;

    storing within said transform information object within said data processing system;

    a plurality of document type indications, each of said document type indications relating to a different one of said plurality of second document types, wherein each of said document type indications has been created as a result of a transformation of said document;

    a plurality of application identifications, each of said application identifications indicating a different one of said plurality of applications which performed an associated transformation, said application identifications comprising an address location for an associated application; and

    , a plurality of entity indications, each of said entity indications indicating said entities within said document which were not transformable by said application such that a reversal of any transformation listed within said transform information object may be accurately accomplished within said data processing system by a reference to said transform information object; and

    selectively reversing a transformation of said document from one of said second document types to said first document type by referencing said transform information object.

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