Wolfgang Holzinger Bernhard Krüpl Robert Baumgartner Automated Ontology-Driven Metasearch Generation with Metamorph. 473-480 2009 WISE http://dx.doi.org/10.1007/978-3-642-04409-0_46 conf/wise/2009 db/conf/wise/wise2009.html#HolzingerKB09