Steffen Lamparter Anupriya Ankolekar Rudi Studer Stephan Grimm Preference-based selection of highly configurable web services. 1013-1022 2007 conf/www/2007 WWW http://doi.acm.org/10.1145/1242572.1242709 db/conf/www/www2007.html#LamparterASG07