@inproceedings{sigmod2011,
author={S. Bergamaschi and E. Domnori and F. Guerra and and R. Trillo-Lado and Y. Velegrakis},
booktitle={Proceedings of the ACM SIGMOD International Conference on Management of Data (SIGMOD'11), Athens(Greece)},
month={June},
pages={565--576},
publisher={ACM},
title={Keyword Search over Relational Databases: a Metadata Approach},
year={2011},
idbdi={yes},
keywords={Keyword Search}
}