12. The method according to claim 11 , wherein generating from each template, at least one pattern, further comprises: generating an initial set of patterns from the initial set of templates; applying each pattern in the initial set of patterns to the unstructured text in order to obtain for each pattern, as many tuples as possible matching the pattern, a tuple being the result of the application of a pattern to unstructured text; and identifying most informative patterns.
12. The method according to claim 11 , wherein generating from each template, at least one pattern, further comprises: generating an initial set of patterns from the initial set of templates; applying each pattern in the initial set of patterns to the unstructured text in order to obtain for each pattern, as many tuples as possible matching the pattern, a tuple being the result of the application of a pattern to unstructured text; and identifying most informative patterns. 13. The method according to claim 12 , wherein identifying most informative patterns further comprises: running a Hypertext Induced Topic Selection (HITS) algorithm.