This directory contains a subset of the University of Bologna, Department of Computer Science Technical Report Series. The area corresponds to ftp://ftp.cs.unibo.it/pub/techreports The reports are in gzipped PostScript or pdf format and are accessable by their UBLCS number organized by year. Consult the plain-text file ./ABSTRACTS/tr.bib for the list of reports in RFC-1807 format. Permission is granted at this time for the operations and uses listed below. However, this permission is non-transferable and is subject to revocation on a report-by-report basis, due to possible copyright transfers that are normal in the publication process. Any additional copyright restrictions are noted in the reports themselves. Default permissions are for anonymous ftp, electronic viewing, and single-copy printing. Permissible uses are research and browsing. Specifically prohibited are SALES of any copy, whether electronic or hardcopy, of any of these reports for any purpose. Also prohibited is copying, excerpting or extensive quoting of any report in another work without the written permission of one of the report's authors. This archive is maintained by tr-admin@cs.unibo.it. Comments and suggestions are welcome. Written communication should be addressed to: Prof. Ozalp Babaoglu Dipartimento di Scienze dell'Informazione Universita' di Bologna Mura Anteo Zamboni 7 40127 Bologna ITALY