@article{GUO Ying-ying:172, author = {GUO Ying-ying, ZHANG Li-ping, LI Song}, title = {Group Nearest Neighbor Query Method of Line Segment in Obstacle Space}, publisher = {Computer Science}, year = {2018}, journal = {Computer Science}, volume = {45}, number = {6}, eid = {172}, numpages = {3}, pages = {172}, keywords = {Spatial database;Line segment obstruction distance;OLGNN;Voronoi diagram of line segment}, url = {https://www.jsjkx.com/EN/abstract/article_86.shtml}, doi = {10.11896/j.issn.1002-137X.2018.06.030} }