@article{DBLP:journals/tkde/VrbskyL93,
author = {Susan V. Vrbsky and
Jane W.-S. Liu},
title = {APPROXIMATE - A Query Processor that Produces Monotonically
Improving Approximate Answers},
journal = {IEEE Trans. Knowl. Data Eng.},
volume = {5},
number = {6},
year = {1993},
pages = {1056-1068},
ee = {http://doi.ieeecomputersociety.org/10.1109/69.250091},
bibsource = {DBLP, http://dblp.uni-trier.de}
}