Description logics with aggregates and concrete domains
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\begin{bibtex} @article{DBLP:journals/is/BaaderS03,
author = {Franz Baader and
Ulrike Sattler},
title = {Description logics with aggregates and concrete domains},
journal = {Inf. Syst.},
volume = {28},
number = {8},
year = {2003},
pages = {979-1004},
ee = {http://dx.doi.org/10.1016/S0306-4379(03)00003-6},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
\end{bibtex}
