Kyoung Soo Bok Ho Won Yoon Dong Min Seo Myoung-Ho Kim Jae Soo Yoo Indexing of Continuously Moving Objects on Road Networks. 2061-2064 2008 91-D IEICE Transactions 7 http://dx.doi.org/10.1093/ietisy/e91-d.7.2061 db/journals/ieicet/ieicet91d.html#BokYSKY08