Carsten Pontow, Florian Dazinger, Rainer Schubert. A framework in prolog for computing structural relationships. Data \& Knowledge Engineering, 62(2):308-326, 2007. [doi]
@article{PontowDS07, title = {A framework in prolog for computing structural relationships}, author = {Carsten Pontow and Florian Dazinger and Rainer Schubert}, year = {2007}, doi = {10.1016/j.datak.2006.08.006}, url = {http://dx.doi.org/10.1016/j.datak.2006.08.006}, tags = {Prolog}, researchr = {https://researchr.org/publication/PontowDS07}, cites = {0}, citedby = {0}, journal = {Data \& Knowledge Engineering}, volume = {62}, number = {2}, pages = {308-326}, }