Decidability of SHIQ with complex role inclusion axioms

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\begin{bibtex} @article{DBLP:journals/ai/HorrocksS04, title={Decidability of SHIQ with complex role inclusion axioms}, pages={79-104}, year={2004}, volume={160}, journal={Artif. Intell.}, number={1-2}, ee={http://dx.doi.org/10.1016/j.artint.2004.06.002}, url={http://www.informatik.uni-trier.de/~ley/db/journals/ai/ai160.html#HorrocksS04}, author={Ian Horrocks and Ulrike Sattler} }\end{bibtex}