| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS In the drawing, FIG. 1 is a picture of an exemplary input screen, such as a user of the world wide web might see on a browser, when addressing a web site to obtain a stock grade in accordance with the invention; FIG. 2 is a table illustrating an exemplary stock grading system according to the invention, and an exemplary set of criteria for establishing stock grade
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