Henrik Nottelmann Norbert Fuhr Decision-Theoretic Resource Selection for Different Data Types in MIND. 43-57 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2924&spage=43 2003 conf/sigir/2003dmir Distributed Multimedia Information Retrieval db/conf/sigir/sigir2003dmir.html#NottelmannF03a