Saatviga Sudhahar Roberto Franzosi Nello Cristianini Automating Quantitative Narrative Analysis of News Data. 63-71 2011 17 Journal of Machine Learning Research - Proceedings Track http://jmlr.csail.mit.edu/proceedings/papers/v17/sudhahar11a/sudhahar11a.pdf db/journals/jmlr/jmlrp17.html#SudhaharFC11