Dears, You are kindly invited to participate to an online questionnaire that aims to investigate the usefulness and usability of web based systems. The online questionnaire serves research aims of the Laboratory on Digital Libraries and Electronic Publishing, Department of Archive and Library Sciences, Ionian University, Greece. More specific it aims to gather data (opinions) for the evaluation of web based information systems (in this case of e-print archive E-LIS, E-prints in Library and Information Science<http://eprints.rclis.org/>) through the aspects of usefulness and usability. You can access the questionnaire at:<http://www.wcl2.ee.upatras.gr/survey_en/> Please fill in the questionnaire by responding to several statements and provide your rate of agreement. The scale employed runs from one (1) to five (5), directed from negative to positive. The conductors of this research guarantee the safekeeping and anonymity of the gathered data. For any enquiries, please contact us through mail either at john@lis.upatras.gr or at gtsak@ionio.gr. Thank you very much for your interest and your participation. Giannis Tsakonas - - - - - - - - - - - Giannis Tsakonas E-LIS editor for Greece mail: john@lis.upatras.gr National E-LIS website: http://elisdocs.rclis.org/greek/ --------------------------------------------------------------------------- -- Imma Subirats Coordinator E-LIS, E-prints in Library and Information Science URL: http://eprints.rclis.org/ URL: http://openlib.org/home/subirats/ E-mail: imma.subirats@gmail.com