A schema-based peer-to-peer infrastructure for digital library networks [Elektronische Ressource] / von Wolf Siberski

A Schema-based Peer-to-Peer Infrastructurefor Digital Library NetworksDer Fakultat¨ fur¨ Elektrotechnik und Informatik¨der Gottfried Wilhelm Leibniz Universitat Hannoverzur Erlangung des GradesDoktor der NaturwissenschaftenDr. rer. nat.genehmigte Dissertation vonDipl.-Inform. Wolf Siberskigeboren am 10. Februar 1966 in Gottingen¨2006Referent: Prof. Dr. Wolfgang NejdlKo-Referenten: Prof. Dr. Karl AbererProf. Dr. Udo LipeckTag der Promotion: 15. Dezember 2006Ben Zoma said: Who is wise? He who learns from every man, as it is said:“From all my teachers have I gained understanding”Pirkei Avot 4,1iACKNOWLEDGEMENTSFirst and foremost, I would like to thank my advisor Prof. Dr. Wolgang Nejdl. He introducedme to methodical research, always had time for scientific discussions, gave me the freedom topursue my research goals, and provided an excellent research environment, to mention just afew points. In short, this thesis would not have been possible without his ample support andguidance.I also would like to thank my other referees Prof. Dr. Karl Aberer and Prof. Dr. Uwe Lipeckfor their very helpful comments and suggestions.I’m grateful to Prof. Dr. Heinz Zulligho¨ ven and Prof. Dr. Christiane Floyd, who have shapedmy understanding not only of software, but also of computer science in general.