@inproceedings{DBLP:conf/www/LeopoldHP02,
author = {Jennifer L. Leopold and
Meg Heimovics and
Tyler Palmer},
title = {Webformulate: a web-based visual continual query system},
booktitle = {WWW},
year = {2002},
pages = {221-231},
ee = {http://doi.acm.org/10.1145/511446.511476},
bibsource = {DBLP, http://dblp.uni-trier.de}
}