1. Chemaxon. Screen, Chemaxon Inc., 2005.
2. Daylight. Daylight Toolkit, Daylight Inc, Mission Viejo, CA, USA, 2008.
3. Oracle Spatial Topology and Network Data Models 10g Release 1 (10.1) URL: http://www.oracle.com/technology/products/spatial/pdf/10g_network_model_twp.pdf
4. Semantic Web Challenge. URL: http://challenge.semanticweb.org/
5. J. Abello, M. G. Resende, S. Sudarsky, Massive quasi-clique detection. Proceedings of the 5th Latin American Symposium on Theoretical Informatics (LATIN) (Cancun, Mexico). 598–612, 2002.