%0 Journal Article %J International Journal of Geographical Information Science %D 2009 %T Positioning localities based on spatial assertions %A Y. Liu %A Guo, Q.H. %A Wieczorek, J. %A Goodchild, M.F. %B International Journal of Geographical Information Science %V 23 %P 1471-1501 %G eng %U http://www.scopus.com/inward/record.url?eid=2-s2.0-70350757453&partnerID=40&md5=e3aa5ee57d915289a437dbb748d13f8b %] 000271512100006 %R 10.1080/13658810802247114