Michael Chau Jialun Qin Yilu Zhou Chunju Tseng Hsinchun Chen SpidersRUs: Creating specialized search engines in multiple languages. 621-640 2008 45 Decision Support Systems 3 http://dx.doi.org/10.1016/j.dss.2007.07.006 db/journals/dss/dss45.html#ChauQZTC08