@article{李松阳_1324, author = {[李松阳, 王淼]}, title = {空间方向关系形式化描述研究进展}, publisher = {《计算机应用》唯一官方网站}, year = {2013}, journal = {计算机应用}, volume = {33}, number = {05}, eid = {1324}, pages = {1324-1329}, keywords = {

方向关系;空间数据库;形式化描述;模糊方向关系

}, doi = http://www.joca.cn/CN/10.3724/SP.J.1087.2013.01324 }