Since 2009 LogCLEF has been the initiative within the Cross- Language Evaluation Forum which aims at stimulating research on user behavior in multilingual environments and promote standard evaluation collections of log data. During these editions of LogCLEF, dierent col- lections of log dataset were distributed to the participants together with manually annotated query records to be used as a training or test set. In this LogCLEF 2011 edition, a Web based interface to annotate log data was designed and realized on the basis on the experience of past par- ticipants for dierent tasks: language identication, query classication, and query drift. The data and the results produced by the participants are analyzed and discussed.
['Giorgio Maria Di Nunzio', 'Johannes Leveling', 'Thomas Mandl']
LogCLEF 2011 Multilingual Log File Analysis: Language Identification, Query Classification, and Success of a Query.