Reinhard Rapp, University of Mainz, FTSK

Johannes Gutenberg-Universität Mainz
Fachbereich Translations-, Sprach- und Kulturwissenschaft
Dr. Reinhard Rapp

e-mail: rrapp at uni-mainz dot de

I am working in research and teaching in the field of computational linguistics and related disciplines. The long term goal underlying my research is the computer simulation of more and more aspects of the human language faculty on the basis of unsupervised learning from raw text. Some of my studies can be accessed via Google Scholar. Thanks to (mostly European) research funding I had the opportunity to conduct this work at universities in Germany, Switzerland, Australia, Spain, England, and France.

Academic Background

Combined Engineering Studies, Coventry University. Final year project: "Development of a Plotter Driver".
Computer Science, Polytechnic of Constance.
Information Science, University of Constance. Diplomarbeit: "Simulation der Suchwortgenerierung im Information Retrieval durch Propagierung in einem konnektionistischen Wortnetz". Dissertation: "Die Berechnung von Assoziationen: ein korpuslinguistischer Ansatz." (Referenten: Prof. R. Kuhlen & Prof. M. Wettler).

Lectures Given

Introduction to Computer Science
Artificial Neural Networks
Introduction to Corpus Linguistics
Relational Databases
Information Retrieval
Machine Translation
Computer Terminology
Structured Programming with C
Information and Communication Technology

Collaboration in Research Projects

K2-Project. Institute for Integrated Systems, ETH-Zürich. Design of a database application for a multiprocessor system with distributed memory developed by the research group.
Simulation der Suchwortgenerierung im Information-Retrieval mit konnektionistischen Wortnetzen. Universität-GH Paderborn, Cognitive Psychology. Funded by the Heinz Nixdorf-Institute.
Simulation sprachlicher Leistungen mit assoziativen Wortnetzen. Universität-GH Paderborn, Cognitive Psychology. Funded by the Heinz Nixdorf-Institute.
Kontextorientierte Wortartenbestimmung. Universität-GH Paderborn, Cognitive Psychology. Funded by the Heinz Nixdorf-Institute.
Multilingual Corpora for Cooperation (MLCC). ISSCO, University of Geneva. Funded by the European Community in the Linguistic Research and Engineering (LRE) framework.
Multilingual Text and Tools (MULTEXT). ISSCO, University of Geneva. Funded by the European Community in the Linguistic Research and Engineering (LRE) framework.
Neue Technologien im Übersetzungswesen. Johannes Gutenberg-Universität Mainz, Institut für Allgemeine Sprach- und Kulturwissenschaft.

Research Topics

Development of a corpus-based method to predict the free word associations as given by subjects in the association experiment.
Application of associative lexical nets for the optimization of advertisements.
Automatic generation of search terms from a natural language problem description for application in information retrieval systems.
Development of algorithms for syntactical and semantical word clustering.
Development of programs which aim to automatically generate terminology lists from bilingual text corpora (parallel or comparable).
Development of a context-sensitive spelling corrector (based on bigrams).
Statistical part-of-speech tagging for English and German (with applications in syntax-parsing and machine translation).
Acquisition and conversion of large text corpora: 1) 40 million words of newspaper text from the Frankfurter Rundschau and the Donaukurier were published on the CD-ROM of the European Corpus Initiative. 2) 50 million words of the proceedings of the European Parliament (parallel in 9 official EC-languages) have been converted to SGML from various formats.
Evaluation of machine translation systems and tools.

Resources

A morphology System and part-of-speech tagger for German.
Plot program for LaTeX (generates barcharts, curves and dotplots from x/y-data).
Results of a program for the identification of word translations from non parallel texts (paper ACL 1999) on request.
Automatically generated thesauri for English, German and Russian (paper LREC 2004) on request.

Some Publications (to be updated)

Ferber, R., Wettler, M., Rapp, R. (1995). An associative model of word selection in the generation of search queries. In: Journal of the American Society for Information Science, 46(9), 685-699.
Lezius, W.; Rapp, R.; Wettler, M. (1996). A morphology system and part-of-speech tagger for German. In: Gibbon, D. (ed.): Natural Language Processing and Speech Technology. Results of the 3rd KONVENS Conference. Berlin: Mouton de Gruyter.
Rapp, R. (1993). A statistical model to verify verbal material. In: J. Darski; Z. Vetulani (eds.): Sprache - Kommunikation - Informatik. Akten des 26. Linguistischen Kolloquiums, Band 2. Tübingen: Niemeyer, 543-548.
Rapp, R. (1994). Die maschinelle Generierung von Wörterbüchern aus zweisprachigen Texten. In: S. Beckmann, S. Frilling (Hrsg.): Satz - Text - Diskurs. Akten des 27. Linguistischen Kolloquiums, Münster, 1993, Bd. I. Tübingen: Niemeyer, 203-209.
Rapp, R. (1995). Identifying word translations in non-parallel texts. Proceedings of the 33rd Meeting of the Association for Computational Linguistics. Cambridge, MA, 1995, 320-322. HTML; Postscript
Rapp, R. (1995). Ein statistischer Ansatz zur maschinellen Erstellung eines syntaktisch orientierten Wortartensystems. In: P. Baerentzen (ed.): Aspekte der Sprachbeschreibung. Akten des 29. Linguistischen Kolloquiums, Aarhus, Dänemark, 1994, Tübingen: Niemeyer, 215-219.
Rapp, R. (1996). Diagrammgenerator für LaTeX. Offene Systeme Band 5, Heft 3, 171-175.
Rapp, R., Wettler, M. (1990). Simulation der Suchwortgenerierung im Information Retrieval durch Propagierung in einem konnektionistischen Wortnetz. Nachrichten für Dokumentation, 41, 27-32.
Rapp, R., Wettler, M. (1991b). Prediction of free word associations based on Hebbian learning. In: Proceedings of the International (IEEE and INNS) Joint Conference on Neural Networks, Singapore, Vol. 1, 25-29. Postscript
Rapp, R., Wettler, M. (1994). Kontextsensitive Rechtschreibfehlerkorrektur auf der Basis von Wortnachbarschaften. In: D.W. Halwachs, I. Stütz (Hrsg.): Sprache - Sprechen - Handeln. Akten des 28. Linguistischen Kolloquiums, Graz 1993. Band 2. Tübingen: Niemeyer, 341-348.
Rapp, R. (1996). Syntaxprüfung mittels statistischer Wortartenannotierung. In: K. A. Sroka (Hrsg.): Kognitive Aspekte der Sprache. Akten des 30. Linguistischen Kolloquiums, Gdansk 1995. Tübingen: Niemeyer.
Rapp, R. (1996). Die Berechnung von Assoziationen: ein korpuslinguistischer Ansatz. Hildesheim; Z&uumlrich; New York: Olms. ISBN 3-487-10252-8.
Rapp, R. (in print). Rezension von Ruge, Gerda: Wortbedeutung und Termassoziation. Methoden zur automatischen semantischen Klassifikation. Zeitschrift für Sprachwissenschaft.
Rapp, R. (manuscript): Wortartenorientierte Suche in Translation Memories.
Wettler, M., Rapp, R. (1989). A connectionist system to simulate lexical decisions in Information Retrieval. In: R. Pfeifer, Z. Schreter, F. Fogelman, L. Steels (eds.): Connectionism in Perspective. Amsterdam: Elsevier, 463-469.
Wettler, M., Rapp, R. (1990). Parallel associative processes in Information Retrieval. In: R. Eckmiller, G. Hartmann, G. Hauske (eds.): Parallel Processing in Neural Systems and Computers. Amsterdam: Elsevier, 509-512.
Wettler, M., Rapp, R. (1993a). Associative text analysis of advertisements. Marketing and Research Today, 21(4), 241-246.
Wettler, M., Rapp, R. (1993b). Computation of word associations based on the co-occurrences of words in large corpora. In: Proceedings of the Workshop on Very Large Corpora: Academic and Industrial Perspectives, Columbus, Ohio, 84-93.
Wettler, M., Rapp, R., Ferber, R. (1993). Freie Assoziationen und Kontiguitäten von Wörtern in Texten. Zeitschrift für Psychologie, 201, 99-108.
Zunker, G., Rapp, R. (1994). Maschinenlesbare deutsch- und englischsprachige Textkorpora. In: D.W. Halwachs, I. Stütz (Hrsg.): Sprache - Sprechen - Handeln. Akten des 28. Linguistischen Kolloquiums, Graz 1993. Band 2. Tübingen: Niemeyer, 383-390.
Zunker, G., Rapp, R. (1996). Wort-Kookkurrenzen als Grundlage eines Algorithmus zur Terminologieextraktion. In: K. A. Sroka (Hrsg.): Kognitive Aspekte der Sprache. Akten des 30. Linguistischen Kolloquiums, Gdansk 1995. Tübingen: Niemeyer.

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