P. W. Huang, P. L. Lin. Visibility inference based on spatial knowledge representation from observer's perspective. Int. J. Intell. Syst., 12(3):191-202, 1997. [doi]
@article{HuangL97-1, title = {Visibility inference based on spatial knowledge representation from observer's perspective}, author = {P. W. Huang and P. L. Lin}, year = {1997}, doi = {10.1002/(SICI)1098-111X(199703)12:3<191::AID-INT2>3.0.CO;2-K}, url = {http://dx.doi.org/10.1002/(SICI)1098-111X(199703)12:3<191::AID-INT2>3.0.CO;2-K}, researchr = {https://researchr.org/publication/HuangL97-1}, cites = {0}, citedby = {0}, journal = {Int. J. Intell. Syst.}, volume = {12}, number = {3}, pages = {191-202}, }