US Patent 7840891 Method and system for content extraction from forms

A method for presenting content in a form including extracting, from an open format for rendering the form, a plurality of elements on the form, wherein the plurality of elements represent the content in the form, identifying a plurality of contextual relationships between the plurality of elements, wherein identifying the plurality of contextual relationships that includes identifying a first attribute of a first element of the plurality of elements, identifying a second attribute of a second element of the plurality of elements, and relating the first element with the second element when a difference between the first attribute and the second attribute is within a predefined threshold, generating a representation of the form, wherein the representation that includes information about the plurality of contextual relationships, and presenting the content in the form based on the representation.