The properties of these collections are presented in table 1 To find out which term weighting and distance measure causes the highest increase in the SVD-Scores, various combinations of these approaches has been used in the summarization approach.
some words in Persian are compound words .this did not cause any problem for the developed system; because the most meaningful part of such words is usually less common than others and thus have an Inverse Document Frequency (IDF) that is higher than that of more common less meaningful parts.