Weiming Liu, Xiaotong Zhang, Sanjiang Li, Mingsheng Ying. Reasoning about cardinal directions between extended objects. Artificial Intelligence, 174(12-13):951-983, 2010. [doi]
@article{LiuZLY10,
title = {Reasoning about cardinal directions between extended objects},
author = {Weiming Liu and Xiaotong Zhang and Sanjiang Li and Mingsheng Ying},
year = {2010},
doi = {10.1016/j.artint.2010.05.006},
url = {http://dx.doi.org/10.1016/j.artint.2010.05.006},
tags = {meta-model, Meta-Environment, meta-objects},
researchr = {https://researchr.org/publication/LiuZLY10},
cites = {0},
citedby = {0},
journal = {Artificial Intelligence},
volume = {174},
number = {12-13},
pages = {951-983},
}