Dyut Kumar Sil Srinivasan H. Sengamedu Chiranjib Bhattacharyya Supervised matching of comments with news article segments. 2125-2128 2011 CIKM http://doi.acm.org/10.1145/2063576.2063906 conf/cikm/2011 db/conf/cikm/cikm2011.html#SilSB11