Etalle, S. and Massacci, F. and Yautsiukhin, A. (2007) The Meaning of Logs. In: 

Fourth Int. Conf. on Trust, Privacy and Security in DigitalBusiness, TRUSTBUS 2007, 

4-6 September 2007, Germany. pp. 145-154. LectureNotes in Computer Science 4657. 

Springer Verlag. ISBN 978-3-540-74408-5