Eleni Miltsakaki Livio Robaldo Alan Lee Aravind K. Joshi Sense Annotation in the Penn Discourse Treebank. 275-286 2008 conf/cicling/2008 CICLing http://dx.doi.org/10.1007/978-3-540-78135-6_23 db/conf/cicling/cicling2008.html#MiltsakakiRLJ08