Veröffentlichungen: Witt, Andreas

Zur persönlichen Seite von Andreas Witt

Fiedler, Norman/Lohmeier, F./Witt, Andreas (2012):

R 3.1.1 - Draft-Version Organisationsmodell (2012); http://www.textgrid.de/fileadmin/TextGrid/reports/TextGrid_R3-1-1_Draft-Version_Organisationsmodell.pdf

Witt, Andreas/Stührenberg, Maik/ Goecke, Daniela/ Metzing, Dieter (2011):

Integrated linguistic annotation models and their application in the domain of antecedent detection. In: Mehler, Alexander/ Kühnberger, Kai-Uwe/ Lobin, Henning/ Lüngen, Harald/ Storrer, Angelika/ Witt, Andreas (Hgg.) (2011): Modeling, learning, and processing of text-technological data structures. Berlin; Heidelberg: Springer, S. 197-218. (Studies in computational intelligence; 370).

Witt, Andreas/Schonefeld, Oliver (2011):

Informationsinfrastrukturen am Institut für Deutsche Sprache. In: Stickel, Gerhard/Váradi, Tamás (Hrsg.): Language, Languages and New Technologies. ICT in the Service of Languages. Contributions to the Annual Conference 2010 of EFNIL in Thessaloniki. S. 197-211 - Frankfurt am Main/Berlin/Bern/Bruxelles/New York/Oxford/Wien: Lang, 2011. (Duisburger Arbeiten zur Sprach- und Kulturwissenschaft 87)

Mehler, Alexander/ Kühnberger, Kai-Uwe/ Lobin, Henning/ Lüngen, Harald/ Storrer, Angelika/ Witt, Andreas (Hgg.) (2011):

Modeling, learning, and processing of text-technological data structures. Berlin; Heidelberg: Springer. (Studies in computational intelligence; 370).

Mehler, Alexander/ Kühnberger, Kai-Uwe/ Lobin, Henning/ Lüngen, Harald/ Storrer, Angelika/ Witt, Andreas (Hgg.) (2011):

Introduction: Modeling, learning and processing of text-technological data structures. In: Mehler, Alexander/ Kühnberger, Kai-Uwe/ Lobin, Henning/ Lüngen, Harald/ Storrer, Angelika/ Witt, Andreas (Hgg.) (2011): Modeling, learning, and processing of text-technological data structures. Berlin; Heidelberg: Springer, S. 1-11. (Studies in computational intelligence; 370).

Fiedler, Norman/Funk, S./Gietz, P./Schonefeld, Oliver/Widmer, M./Witt, Andreas (2011):

R3.2.1 – Musterverträge (AP3.2) und technische Umsetzungen (2011) http://www.textgrid.de/fileadmin/TextGrid/reports/TextGrid_R3-2-1_Mustervertraege_und_technische_Umsetzung.pdf

Belica, Cyril/Kupietz, Marc/Witt, Andreas/Lüngen, Harald (2011):

The Morphosyntactic Annotation of DeReKo: Interpretation, Opportunities, and Pitfalls. In: Konopka, Marek/Kubczak, Jacqueline/Mair, Christian/Šticha, František/Waßner, Ulrich Hermann (Hrsg.): Grammatik und Korpora 2009. Dritte Internationale Konferenz. Mannheim, 22.4.-24.9.2009. S. 451-469 - Tübingen: Narr, 2011. (Korpuslinguistik und interdisziplinäre Perspektiven auf Sprache 1)

Witt, Andreas/Metzing, Dieter (Hrsg.) (2010):

Linguistic Modeling of Information and Markup Languages. Contributions to Language Technology. X/266 S. - Springer Netherland, 2010 (Text, Speech and Language Technology, Vol. 41.)

Schonefeld, Oliver/Witt, Andreas/Widmer, Markus/Gietz, Peter (2010):

Erweiterung der TextGrid-Autorisierungsinfrastruktur für die Unterstützung von Lizenzen. Bericht.

Rehm, Georg/Schonefeld, Oliver/Trippel, Thorsten/Witt, Andreas (2010):

Sustainability of Linguistic Resources Revisited. In: Proceedings of the International Symposium on XML for the Long Haul: Issues in the Long-term Preservation of XML. Balisage Series on Markup Technologies, vol. 6 (2010).

Pondorf, Denis/Witt, Andreas (2010):

Freestyle Markup Language: Specification of an intuitive, powerful, polyhierarchical new extensible markup language. In: Proceedings of Balisage: The Markup Conference 2010. Balisage Series on Markup Technologies, vol. 5 (2010).

Kupietz,Marc/Schonefeld, Oliver/Witt, Andreas (2010):

The German Reference Corpus: New developments building on almost 50 years of experience. In: Arranz, Eerten (eds.): Language Resources: From Storyboard to Sustainability and LR Lifecycle Management, Workshop held at the seventh conference on International Language Resources and Evaluation (LREC 2010). http://www.lrec-conf.org/proceedings/lrec2010/workshops/W20.pdf

Kupietz, Marc/Belica, Cyril/Keibel, Holger/Witt, Andreas (2010):

The German Reference Corpus DeReKo: A primordial sample for linguistic research. In: Calzolari, Nicoletta et al. (eds.): Proceedings of the seventh conference on International Language Resources and Evaluation (LREC 2010), S. 1848-1854. http://www.lrec-conf.org/proceedings/lrec2010/pdf/414_Paper.pdf

Goecke, Daniela/Witt, Andreas/Lüngen, Harald/Metzing, Dieter/Stührenberg, Maik (2010):

Different views on markup. Distinguishing levels and layers. In: Linguistic Modeling of Information and Markup Languages, S. 1-21.

Blümm, Mirjam/Dogaru, George/Fischer, Peter M./Jannidis, Fotis/Vitt, Thorsten/Witt, Andreas (2010):

Transforming a large text collection into a TEI-conformant text resource: a case study. In: Akten des TEI Member's Meeting 2010, 11.-14. November, Zadar, Kroatien.

Witt, Andreas/Rehm, Georg/Hinrichs, Erhard/Lehmberg, Timm/ Stegmann, Jens (2009):

SusTEInability of linguistic resources through feature structures. In: Literary & linguistic computing : LLC ; journal of the Association for Literary and Linguistic Computing, 24 (2009) 3, S. 363 - 372.

Witt, Andreas/Heid, Ulrich/Sasaki, Felix/Sérasset, Gilles (2009):

Multilingual language resources and interoperability, In: Language Resources and Evaluation, 43/1, S. 1-14 (DOI: 10.1007/s10579-009-9088-x).

Sérasset, Gilles/Witt, Andreas/Heid, Ulrich/Sasaki, Felix (Hrsg.) (2009):

Multilingual Language Resources and Interoperability, Sonderheft des Journals "Language Resources and Evaluation", Volume 43, 1/2009, Dordrecht: Springer.

Stegmann, Jens/Witt, Andreas (2009):

TEI Feature Structures as a Representation Format for Multiple Annotation and Generic XML Documents. In: In Proceedings of Balisage: The Markup Conference 2009. Balisage Series on Markup Technologies, Vol. 3 (2009). http://www.balisage.net/Proceedings/vol3/html/Stegmann01/BalisageVol3-Stegmann01.html.

Rehm, Georg/Schonefeld, Oliver/ Witt, Andreas/Hinrichs, Erhard/Reis, Marga (2009):

Sustainability of annotated resources in linguistics: A web-platform for exploring, querying, and distributing linguistic corpora and other resources. Literary & linguistic computing : LLC ; journal of the Association for Literary and Linguistic Computing, 24 (2009) 2, S. 193 - 210.

Hinrichs, Erhard/Lemnitzer, Lothar/Witt, Andreas (2009):

Language Resources, Taxonomies and Metadata, Proceedings des Workshops TMS - Text Mining Services, Leipzig.

Belica, Cyril/Kupietz, Marc/Witt, Andreas (2009):

The Morphosyntactic Annotation of DeReKo: Interpretation, Opportunities and Pitfalls. Dritte Internationale Konferenz Grammatik und Korpora (Grammar & Corpora 3), Mannheim, 22-24 September 2009. http://www.ids-mannheim.de/aktuell/kolloquien/gac2009/abstract/morphosyntactic.pdf

Zinsmeister, Heike/Witt, Andreas/Kübler, Sandra/Hinrichs, Erhard (2008):

Linguistically Annotated Corpora: Quality Assurance, Reusability and Sustainability. In: Lüdeling, Anke/Kytö, Merja (eds.): Corpus Linguistics. An International Handbook. Berlin: de Gruyter. S. 759 - 776.

Rehm, Georg/Witt, Andreas (2008):

Aspects of Sustainability in Digital Humanities. Proceedings of Digital Humanities 2008. Oulu, Finnland, S. 21-22.

Rehm, Georg/Witt, Andreas/Hinrichs, Erhard/Reis, Marga (2008):

Sustainability of Annotated Resources in Linguistics. Proceedings of DH 2008. Oulu, Finnland, S. 27-29.

Rehm, Georg/Schonefeld, Oliver/Witt, Andreas/Lehmberg, Timm/Chiarcos, Christian/Béchara, Hannan/Eishold, Florian/Evang, Kilian/Leshtanska, Magdalena/Savkov, Alexandar/Stark, Matthias (2008):

The Meta-data-Database of a Next Generation Sustainability Web-Platform for Language Resources. Proceedings of LREC 2008. May 28–30, Marrakesch, Marokko.

Rehm, Georg/Schonefeld, Oliver/Witt, Andreas/Chiarcos, Christian/Lehmberg, Timm (2008):

SPLICR: A Sustainability Platform for Linguistic Corpora and Resources. Proceedings of KONVENS 2008. Berlin. S. 86–95.

Rehm, Georg/Schonefeld, Oliver/Witt, Andreas/Chiarcos, Christian/Lehmberg, Timm (2008):

A Web-Platform for Preserving, Exploring, Visualising, and Querying Linguistic Corpora and other Resources. SEPLN 2008. Madrid, Spanien. S. 155–162.

Lüngen, Harald/Witt, Andreas (2008):

Multi-Dimensional Markup: N-way relations as a generalisation over possible relations between annotation layers. Proceedings of Digital Humanities 2008.

Lehmberg, Timm/Rehm, Georg/Witt, Andreas/Zimmermann, Felix (2008):

Digital Text Collections, Linguistic Research Data, and Mashups: Notes on the Legal Situation. Library Trends, 57/1, S. 52-71.

Birkenhake, Benjamin/Witt, Andreas (2008):

The German Hamlets: An Advanced Text Technological Application. Proceedings of Digital Humanities 2008. Oulu, Finnland.

Witt, Andreas/Schonefeld, Oliver/Rehm, Georg/Khoo, Jonathan/Evang, Kilian (2007):

On the Lossless Transformation of Single-File, Multi-Layer Annotations into Multi-Rooted Trees. Proceedings of Extreme Markup Languages 07. Montreal, Kanada.

Witt, Andreas/Rehm, Georg/Lehmberg, Timm/Hinrichs, Erhard (2007):

Mapping Multi-Rooted Trees from a Sustainable Exchange Format to TEI Feature Structures. In: TEI@20: 20 Years of Supporting the Digital Humanities. The 20th Anniversary TEI Consortium Members' Meeting. 10/31 – 11/3, University of Maryland, College Park, USA.

Rehm, Georg/Witt, Andreas/Zinsmeister, Heike/Dellert, Johannes (2007):

Masking Treebanks for the Free Distribution of Linguistic Resources and Other Applications. In: Proceedings of the Sixth International Workshop on Treebanks and Linguistic Theories (TLT 2007). December 7–8, Bergen, Norway, 2007, S. 127–138.

Rehm, Georg/Witt, Andreas/Zinsmeister, Heike/Dellert, Johannes (2007):

Corpus Masking: Legally Bypassing Licensing Restrictions for the Free Distribution of Text Collections. In: Proceedings of Digital Humanities 2007, University of Illinois, Urbana-Champaign, USA.

Rehm, Georg/Witt, Andreas/Lemnitzer, Lothar (Hgg.) (2007):

Datenstrukturen für linguistische Ressourcen und ihre Anwendungen. Tübingen: Narr.

Lehmberg, Timm/Chiarcos, Christian/Hinrichs, Erhard/Rehm, Georg/Witt, Andreas (2007):

Collecting Legally Relevant Metadata by Means of a Decision-Tree-Based Questionnaire System. Proceedings of Digital Humanities 2007. University of Illinois, Urbana-Champaign, USA, 2007, S. 164–166.

Lehmberg, Timm/Chiarcos, Christian/Hinrichs, Erhard/Rehm, Georg/Witt, Andreas (2007):

Collecting Legally Relevant Metadata by Means of a Decision-Tree-Based Questionnaire System. In: Proceedings of Digital Humanities 2007, University of Illinois, Urbana-Champaign, USA.

Broeder, Dan/Declerck, Thierry/Kemps-Snijders, Marc/Keibel, Holger/Kupietz, Marc/Lemnitzer, Lothar/Witt, Andreas/Wittenburg, Peter (2007):

Citation of Electronic Resources: proposal for a new work item in ISO TC37/SC4. ISO TC37/SC4-Dokument N366. In: http://www.tc37sc4.org/new_doc/ISO_TC37_SC4_N366_NP_CitER_Annex.pdf

Wörner, Kai/Witt, Andreas/Rehm, Georg/Dipper, Stephanie (2006):

Modelling Linguistic Data Structures. Proceedings of Extreme Markup Languages 06. Montreal, Kanada.

Witt, Andreas/Sérasset, Gilles/Armstrong, Susan/Breen, Jim/Heid, Ulrich/Sasaki, Felix (Hrsg.) (2006):

Proceedings of the Workshop on Multilingual Language Resources and Interoperability. Association for Computational Linguistics. Sydney, Australia.

Witt, Andreas/Diewald , Nils (2006):

Texttechnologie an der Universität Bielefeld. Jahrbuchs für Computerphilologie (7). Paderborn : Mentis-Verlag.

Stührenberg, Maik/Witt, Andreas/Goecke, Daniela/Metzing, Dieter/Schonefeld, Oliver (2006):

Multidimensional markup and heterogeneous linguistic resources. Demo auf dem EACL-Workshop "Multi-dimensional Markup in Natural Language Processing".

Schonefeld, Oliver/Witt, Andreas (2006):

Towards validation of concurrent markup. Proceedings of Extreme Markup Languages 06. Montreal, Kanada.

Schmidt, Thomas/Chiarcos, Christian/Lehmberg, Timm/Rehm, Georg/Witt, Andreas/Hinrichs, Erhard (2006):

Avoiding Data Graveyards: From Heterogeneous Data Collected in Multiple Research Projects to Sustainable Linguistic Resources. In: E-MELD Workshop Workshop on Digital Language Documentation: Tools and Standards - The State of the Art. East Lansing, Michigan. http://www1.uni-hamburg.de/exmaralda/files/EMELD_final.pdf

Goecke, Daniela/Witt, Andreas (2006):

Exploiting logical document structure for anaphora resolution. In: Proceedings of the 5th International Conference on Language Resources and Evaluation (LREC-2006), Genoa, Italy.

Dipper, Stefanie/Hinrichs, Erhard/Schmidt, Thomas/Wagner, Andreas/Witt, Andreas (2006):

Sustainability of Linguistic Resources. In: Hinrichs, Erhard/Ide, Nancy/Palmer, Martha/Pustejovsky, James (eds.): Proceedings of the LREC 2006 Workshop on Merging and Layering Linguistic Information, Genoa, Italy. http://www.linguistics.ruhr-uni-bochum.de/~dipper/papers/merge06_webVersion.pdf

Witt, Andreas (2005):

Multiple hierarchies: new aspects of an old solution. Re-published in: Dipper, Stefanie/Götze, Michael/Stede, Manfred (eds.): Heterogeneity in Focus: Creating and Using Linguistic Databases Volume 2 of Interdisciplinary Studies on In formation Structure (ISIS), Working Papers of the SFB 632. Potsdam: Universitätsverlag.

Witt, Andreas/Metzing, Dieter (2005):

Texttechnologie in der Universitären Lehre. In: ALLCACH2005, Joint Conference of the ALLC and ACH, Victoria, BC.

Witt, Andreas/Lüngen, Harald/Sasaki, Felix/Goecke, Daniela (2005):

Unification of XML Documents with Concurrent Markup. In: Literary and Linguistic Computing, Vol. 20, No. 1, S. 103 - 116.

Sasaki, Felix/Lieske, Christian/Witt, Andreas (2005):

Schema Languages & Internationalization Issues: A survey. In: Proceedings of Extreme Markup Languages. Montreal.

Hilbert, Mirco/Schonefeld, Oliver/Witt, Andreas (2005):

Making CONCUR work. In: Proceedings of Extreme Markup Languages. Montreal.

Goecke, Daniela/Metzing, Dieter/Witt, Andreas (2005):

Verknüpfung heterogener texttechnologischer Ressourcen. GI Jahrestagung 2/2005, S. 94-98.

Goecke, Daniela/Lüngen, Harald/Sasaki, Felix/Witt, Andreas/Farrar, Scott (2005):

GOLD and Discourse: Domain- and Community–Specific Extensions. In: Proceedings of the E-MELD Workshop on Morphosyntactic Annotation and Terminology: Linguistic Ontologies and Data Categories for Language Resources. Cambridge, Massachusetts.

Birkenhake, Benjamin/Panke, Stefanie/Witt, Andreas (2005):

Hamlet goes XML: CrossAnnotationLinking and Personal learning experiences. In de Vries, F./Attwell, G./Elferink, R./Tödt, A. (eds.): Open Source for Education in Europe, Research and Practice Heerlen, NL: Open University of the Netherlands. S. 179-188.

Witt, Andreas (2004):

Multiple hierarchies: new aspects of an old solution. In: Proceedings of Extreme Markup Languages. Montreal.

Witt, Andreas (2004):

Linguistische Informationsmodellierung mit XML. In: Mehler, Alexander/Lobin, Henning (Hrsg.): Automatische Textanalyse: Systeme und Methoden zur Annotation und Analyse natürlichsprachlicher Texte. Wiesbaden: VS Verlag. S. 39 - 54.

Witt, Andreas (2004):

LREC 2004 und ALLC/ACH2004. Tagungsbericht. In: KI - Zeitschrift Künstliche Intelligenz. Heft 4/2004.

Witt, Andreas/Lüngen, Harald/Sasaki, Felix/Goecke, Daniela (2004):

Unification of XML Documents with Concurrent Markup. In: ALLCACH2004, Joint Conference of the ALLC and ACH, Göteburg.

Witt, Andreas/Heid, Ulrich/Thompson, Henry S./Carletta, Jean/Wittenburg, Peter (Hrsg.) (2004):

Proceedings of the Workshop on XML-based richly annotated corpora. Lissabon, 2004.

Sasaki, Felix/Witt, Andreas (2004):

Linguistische Korpora. In: Lemnitzer, Lothar/Lobin, Henning (Hg.): Texttechnologie. Grundlagen und Anwendungen. Tübingen: Stauffenburg. S. 195 - 216.

Sasaki, Felix/Witt, Andreas (2004):

A contribution to the development of language-specific and general annotation schemes and resources. Co-reference in Japanese task-oriented dialogues. In: Proceedings of the 4th International Conference on Language Resources and Evaluation (LREC-2004), Lissabon. S. 259 - 262.

Sasaki, Felix/Witt, Andreas/Gibbon, Dafydd/Trippel, Thorsten (2004):

Concept-based queries: Combining and reusing linguistic corpus formats and query languages. In: Proceedings of the 4th International Conference on Language Resources and Evaluation (LREC-2004), Lissabon, S. 655 - 659.

Witt, Andreas/Pönninghaus, Jens (2003):

Beispiel einer komplexen DTD: DocBook. In: Köhler, W./Wittenbrink, H.: XML. Berlin: TEIA Lehrbuch Verlag. S. 296 - 334.

Sasaki, Felix/Witt, Andreas/Metzing, Dieter (2003):

Declarations of Relations, Differences and Transformations between Theory-specific Treebanks: A New Methodology. In: Nivre, Joakim (Hg.): Proceedings of the The Second Workshop on Treebanks and Linguistic Theories (TLT 2003) 14. und 15. November 2003, Växjö universitet.

Köhler, Werner/Witt, Andreas/Sasaki, Felix/Milde, Jan-Torsten/Pönninghaus, Jens (2003):

XML in der Praxis: Dokument parsen, validieren und verarbeiten. In: Köhler´, W./Wittenbrink, H.: XML. Berlin: TEIA Lehrbuch Verlag. S. 249 - 295.

Goecke, Daniela/Naber, Daniel/Witt, Andreas (2003):

Query von Multiebenen-annotierten XML-Dokumenten mit Prolog. In: Seewald-Heeg, Uta (Hrsg.): Sprachtechnologie für die multilinguale Kommunikation - Textproduktion, Recherche, Übersetzung, Lokalisierung Sankt Augustin: Gardez! Verlag.

Bayerl, Petra/Lüngen, Harald/Goecke, Daniela/Witt, Andreas/Naber, Daniel (2003):

Methods for the semantic analysis of document markup. In: Roisin, Cécile, Ethan Munson und Christine Vanoirbeek (Hg.): Proceedings of the ACM Symposium on Document Engineering (DocEng 2003). 20. - 22. November 2003, INRIA Rhône-Alpes.

Witt, Andreas (2002):

Multiple Informationsstrukturierung mit Auszeichnungssprachen. XML-basierte Methoden und deren Nutzen für die Sprachtechnologie. Dissertation.

Witt, Andreas (2002):

Meaning and interpretation of concurrent markup. In: ALLCACH2002, Joint Conference of the ALLC and ACH, Tübingen.

Witt, Andreas (2002):

Grundlagen für den Computereinsatz in der Linguistik: Attribute, Werte, Unifikation. In: Müller, Horst M.: Arbeitsbuch Linguistik. UTB.

Sasaki, Felix/Wegener, Claudia/Witt, Andreas/Metzing, Dieter/Pönninghaus, Jens (2002):

Co-reference annotation and resources: a multilingual corpus of typologically diverse languages Proceedings of the 3nd International Conference on Language Resources and Evaluation (LREC-2002), Las Palmas.

Lenz, Eva/Storrer, Angelika/Witt, Andreas (2002):

Towards declarative descriptions of transformations: An approach based on topic maps. In: ALLCACH2002, Joint Conference of the ALLC and ACH, Tübingen.

Witt, Andreas/Lüngen, Harald/Gibbon, Dafydd (2000):

Enhancing speech corpus resources with multiple lexical tag layers. In: Proceedings of the 2nd International Conference on Language Resources and Evaluation (LREC-2000), Athen.

Sasaki, Felix/Witt, Andreas (2000):

Präsentation, Transformation und Analyse: Verarbeitung XML-basierter japanischer Dialoge. In: Lobin, Henning (Hg.): Tagungsband der GLDV-Tagung 2001.

Pönninghaus, Jens/Witt, Andreas (2000):

Lexikonexpansion: Vom XML-annotiertem Stammformenlexikon zum Vollformenlexikon. In: Lobin, Henning (Hg.): Tagungsband der GLDV-Tagung 2001.

Witt, Andreas (1999):

SGML und Linguistik. In: Lobin, Henning (Hg.): Text im digitalen Medium. Linguistische Aspekte von Textdesign, Texttechnologie und Hypertext Engineering. Wiesbaden: Westdeutscher Verlag.

Witt, Andreas (1999):

DSSSL zur Verarbeitung linguistischer Korpora. In: Gippert, Jost (Hg.): Multilinguale Corpora: Codierung, Strukturierung, Analyse. Prag: Enigma Corporation.

Lobin, Henning/Witt, Andreas (1999):

Semantic and Thematic Navigation in Electronic Encyclopedias. In: Smith, John (ed.): Third ICCC IFIP Conference on Electronic Publishing: Redefining the Information Chain - New Ways & Voices. ICCC, 1999.

Witt, Andreas (1998):

TEI-based XML-Applications: Transcriptions. In: ALLCACH98, Joint Conference of the ALLC and ACH, Debrecen, 1998.

Witt, Andreas/Lüngen, Harald/Gibbon, Dafydd (1997):

Standardisierung orthographischer Transkriptionen: Ein SGML/TEI-basierter Vorschlag für VERBMOBIL. VERBMOBIL-Memo 117.

Kummer, Werner/Witt, Andreas (1997):

Fröhliche Ökumene: die Grammatiktheorie in Bielefeld. In: Linguistik - Die Bielefelder Sicht.

Witt, Andreas (1996):

Sprachverarbeitung mit getypten Attribut-Wert-Matrizen. Dependenzgrammatik und Konzeptuelle Semantik. Magisterarbeit an der Universität Bielefeld.

Witt, Andreas/Senf, Thomas (1994):

Formalisierung von Kontext und sprachlichem Wissen mit Prioritisierter Circumscription. VERBMOBIL-Memo 55.

Witt, Andreas/Senf, Thomas (1994):

Der Nutzen von HPSG-Satzrepräsentationen für die Bestimmung von Antezedenten der Nullpronomina. VERBMOBIL-Memo 20.