Jiong Guo Hannes Moser Rolf Niedermeier Iterative Compression for Exactly Solving NP-Hard Minimization Problems. 65-80 2009 Algorithmics of Large and Complex Networks http://dx.doi.org/10.1007/978-3-642-02094-0_4 conf/dfg/2009netw db/conf/dfg/netw2009.html#GuoMN09