@inproceedings{Renda03, author = "Renda, M. Elena and Straccia, Umberto", title = "Web Metasearch: Rank vs. Score Based Rank Aggregation Methods", booktitle = "Proc. 18th Annual ACM Symposium on Applied Computing (SAC-3)", publisher = "ACM", address = "Melbourne, Florida, USA", pages = "841--846", year = "2003" }