Philipp Winter Harald Lampesberger Markus Zeilinger Eckehard Hermann On Detecting Abrupt Changes in Network Entropy Time Series. 194-205 2011 Communications and Multimedia Security http://dx.doi.org/10.1007/978-3-642-24712-5_18 conf/cms/2011 db/conf/cms/cms2011.html#WinterLZH11