Collocation and term extraction using linguistically enhanced statistical methods [Elektronische Ressource] / von Joachim Wermter

Collocation and Term ExtractionUsing Linguistically EnhancedStatistical MethodsDissertationzur Erlangung des akademischen GradesDoctor philosophiae (Dr. phil.)vorgelegt dem Rat der Philosophischen Fakult¨atder Friedrich-Schiller-Universit¨at Jenavon Joachim Wermter, MA (Master of Arts)geboren am 10.08.1969 in Horb am NeckarGutachter1. Prof. Dr. Udo Hahn2. Prof. Dr. Ru¨diger Klar3. Prof. Dr. Adrian P. SimpsonTag des Kolloquiums: 04.08.2008AcknowledgementsMy heartfelt thanks go out to Prof. Dr. Udo Hahn (Professor of ComputationalLinguistics at Jena University) who greatly supported me during the course of mywork in a unique way. Without his advice and assistance this work probably wouldnot have seen the light of day. I would also like to thank Prof. Dr. Ru¨diger Klar andPD Dr. med. Stefan Schulz from the Department of Medical Informatics at FreiburgUniversity Hospital who greatly helped me at the early stages of my research withinthe DFG-fundedMorphoSaurus project.Next, I would like to thank Sabine Demsar, Kristina Meller, and Konrad Feld-meier, who did a great job at annoting the PNV triple candidates as a collocationgold standard. Many thanks also to the developers of the Umls Metathesaurus forsetting up and maintaing such a great terminological resource. Both efforts made theevaluative part of this work possible in the first place.Many thanks also to Dr.