13. The method of claim 12 wherein collecting contextual information comprises the steps of: identifying a term assigned with a part-of-speech tag as a focal term; identifying a word window that extends from a left of the focal term and to the right of the focal term; and collecting co-occurring contextual terms within the word window.
13. The method of claim 12 wherein collecting contextual information comprises the steps of: identifying a term assigned with a part-of-speech tag as a focal term; identifying a word window that extends from a left of the focal term and to the right of the focal term; and collecting co-occurring contextual terms within the word window. 14. The method of claim 13 further comprising the steps of: collecting each of the focal terms and associated co-occurring terms from the plurality of requirement documents; calculating a probability for each focal term co-occurring with contextual terms from the plurality of requirement documents; and discarding focal terms determined having a probability below a contextual probability threshold.