-from. Via a small study on available RSS feeds we found that about $50\%$ of
-the RSS feeds misuse the protocol in such a way that extraction of data is
-almost impossible. This reduces the domain of good RSS feeds to less then $5\%$
-of the venues.
+from because they usually include all kinds of information in other modalities
+then text. Via a small study on a selecteion of RSS feeds($N=10$) we found that
+about $50\%$ of the RSS feeds misuse the protocol in such a way that extraction
+of data is almost impossible. This reduces the domain of good RSS feeds to less
+then $5\%$ of the venues.