34. The software product of claim 29 , wherein determining a semantic similarity comprises comparing the observed values with each other.
34. The software product of claim 29 , wherein determining a semantic similarity comprises comparing the observed values with each other. 35. The software product of claim 34 , wherein the semantic similarity is proportional to a ratio of a first quantity and a second quantity, the first quantity being a number of values observed in both the form field and a form field to which the current form field object corresponds, and the second quantity being the first quantity plus a number of values observed in only one of the two form fields.