@article{DBLP:journals/dke/Hartmann01,
author = {Sven Hartmann},
title = {Decomposing relationship types by pivoting and schema equivalence},
journal = {Data Knowl. Eng.},
volume = {39},
number = {1},
year = {2001},
pages = {75-99},
ee = {http://dx.doi.org/10.1016/S0169-023X(01)00031-3},
bibsource = {DBLP, http://dblp.uni-trier.de}
}