Reinhard Moratz, Dominik Lücke, Till Mossakowski. A condensed semantics for qualitative spatial reasoning about oriented straight line segments. Artificial Intelligence, 175(16-17):2099-2127, 2011. [doi]
@article{MoratzLM11,
title = {A condensed semantics for qualitative spatial reasoning about oriented straight line segments},
author = {Reinhard Moratz and Dominik Lücke and Till Mossakowski},
year = {2011},
doi = {10.1016/j.artint.2011.07.004},
url = {http://dx.doi.org/10.1016/j.artint.2011.07.004},
researchr = {https://researchr.org/publication/MoratzLM11},
cites = {0},
citedby = {0},
journal = {Artificial Intelligence},
volume = {175},
number = {16-17},
pages = {2099-2127},
}