Possibly imperfect ontologies for effective information retrieval [Elektronische Ressource] / by Gábor Nagypál

Gábor NagypálPossibly imperfect ontologies for effective information retrieval Possibly imperfect ontologiesfor effective information retrievalby Gábor NagypálDissertation, Universität Karlsruhe (TH)Fakultät für Informatik, 2007Referenten: Prof. em. Dr. Dr. h. c. Peter C. Lockemann, Prof. Dr. Rudi StuderTag der mündlichen Prüfung: 16.05.2007ImpressumUniversitätsverlag Karlsruhec/o UniversitätsbibliothekStraße am Forum 2D-76131 Karlsruhewww.uvka.deDieses Werk ist unter folgender Creative Commons-Lizenz lizenziert: http://creativecommons.org/licenses/by-nc-nd/2.0/de/Universitätsverlag Karlsruhe 2007 Print on DemandISBN: 978-3-86644-190-3ToBeaandBendi.AcknowledgmentsI wrote this work during my time at the FZI Research Center for Information Technologies. Iwould like to thank to all of my colleagues at FZI and especially to Simone Braun, StephanGrimm,HeikoPaoli,AndreasSchmidt,PeterTomczyk,andAndreasWalterforthegreatwork ingatmospherethatmademyyearsatFZIenjoyable.MyverywarmthanksgotoDr.WassiliosKazakos. HesupportedmyworkduringhistimeinFZIandalsothereafter. Hereadandcommentedmanyversionsofmythesisfromtheearliestversionstothelatestones. WealsoshareacommoninterestinhistoryandWassili’shistoricalcomments definitely improved the historical quality of my examples in the thesis. Finally,Wassili also helped me to start my life after my PhD work (yes, it seems that such a thingreallyexists).I am deeply indebted to Dr.