11. The method of claim 8 comprising: calculating a first vector from the keyword in the template to another keyword in the template, the first vector thereby indicating a location of the keyword relative to the other keyword; and calculating a second vector from the word in the digitized document to another word in the digitized document, the second vector thereby indicating a location of the word relative to the other word.
8. A method comprising: creating and storing a plurality of templates associated with a plurality of document classes, each template comprising a plurality of keywords; receiving a digitized document to be classified; comparing each template with the digitized document to be classified, wherein the comparison comprises: comparing a first area value associated with a template with a second area value associated with the digitized document, the first area value associated with a keyword indicating an area occupied by the keyword in the template, and the second area value that indicates an area occupied by a word in the digitized document to be classified; determine that a difference between the first and second area values is below a threshold value; and upon the determination that a difference is below a threshold value, identify the keyword as being a keyword for a word pair, and identify the word in the digitized document to be classified as being a corresponding word for the word pair.