Makoto Nakatani Adam Jatowt Hiroaki Ohshima Katsumi Tanaka Quality Evaluation of Search Results by Typicality and Speciality of Terms Extracted from Wikipedia. 570-584 2009 DASFAA http://dx.doi.org/10.1007/978-3-642-00887-0_50 conf/dasfaa/2009 db/conf/dasfaa/dasfaa2009.html#NakataniJOT09