Louiqa Raschid Yao Wu Woei-Jyh Lee Maria-Esther Vidal Panayiotis Tsaparas Padmini Srinivasan Aditya Kumar Sehgal Ranking target objects of navigational queries. 27-34 2006 conf/widm/2006 WIDM http://doi.acm.org/10.1145/1183550.1183558 db/conf/widm/widm2006.html#RaschidWLVTSS06