@inproceedings{Renda06,
author = "Renda, M. Elena and Straccia, Umberto",
title = "Automatic Structured Query Transformation Over Distributed Digital Libraries",
booktitle = "Proceedings of the 21st Annual ACM  Symposium on Applied Computing (SAC-06)",
publisher = "ACM",
address = "Dijon, France",
pages = "1078--1083",
year = "2006"
}