ORDEN: outlier region detection and exploration in sensor networks.

Conny Franke Michael Gertz ORDEN: outlier region detection and exploration in sensor networks. 1075-1078 2009 SIGMOD Conference http://doi.acm.org/10.1145/1559845.1559985 conf/sigmod/2009 db/conf/sigmod/sigmod2009.html#FrankeG09