@inproceedings{inproceedings8e124325,
title   = {Querying priced information in databases: the conjunctive case: extended abstract},
author = {Laber, Eduardo Sany and Carmo, Renato José da Silva and Kohayakawa, Yoshiharu},
year = {2004},
doi = {10.1007/978-3-540-24698-5_5},
publisher = {Springer},
booktitle   = {Latin American Symposium on Theoretical Informatics - LATIN}
}