Santos, Diana; Nuno Cardoso; Paula Carvalho; Iustin Dornescu; Sven Hartrumpf; Johannes Leveling; and Yvonne Skalban (2009). GikiP at GeoCLEF 2008: Joining GIR and QA forces for querying Wikipedia. In Evaluating Systems for Multilingual and Multimodal Information Access: 9th Workshop of the Cross-Language Evaluation Forum, CLEF 2008, Aarhus, Denmark, September 17-19, Revised Selected Papers, volume 5706 of Lecture Notes in Computer Science (LNCS), pp. 894-905. Berlin: Springer.
Hartrumpf, Sven; Ingo Glöckner; and Johannes Leveling (2008b). University of Hagen at QA@CLEF 2008: Efficient question answering with question decomposition and multiple answer streams. In Results of the CLEF 2008 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2008 Workshop. Aarhus, Denmark. http://www.clef-campaign.org/2008/working_notes/hartrumpf-paperCLEF2008.pdf.
Leveling, Johannes and Sven Hartrumpf (2008c). University of Hagen at GeoCLEF 2008: Combining IR and QA for geographic information retrieval. In Results of the CLEF 2008 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2008 Workshop. Aarhus, Denmark. http://www.clef-campaign.org/2008/working_notes/leveling-paperCLEF2008.pdf.
Santos, Diana; Nuno Cardoso; Paula Carvalho; Iustin Dornescu; Sven Hartrumpf; Johannes Leveling; and Yvonne Skalban (2008). Getting geographical answers from Wikipedia: the GikiP pilot at CLEF. In Results of the CLEF 2008 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2008 Workshop. Aarhus, Denmark. http://www.clef-campaign.org/2008/working_notes/Santos-paperCLEF2008.pdf.
vor der Brück, Tim; Hermann Helbig; and Johannes Leveling (2008). The readability checker DeLite. Technical Report 345-5/2008, Fakultät für Mathematik und Informatik, FernUniversität in Hagen. http://pi7.fernuni-hagen.de/brueck/papers/DeLite_techreport.pdf.
Hartrumpf, Sven; Ingo Glöckner; and Johannes Leveling (2008a). Coreference resolution for questions and answer merging by validation. In Advances in Multilingual and Multimodal Information Retrieval: 8th Workshop of the Cross-Language Evaluation Forum, CLEF 2007 (edited by Peters, Carol; Valentin Jijkoun; Thomas Mandl; Henning Müller; Douglas W. Oard; Anselmo Peñas; Vivien Petras; and Diana Santos), volume 5152 of Lecture Notes in Computer Science (LNCS), pp. 269-272. Berlin: Springer.
Leveling, Johannes (2008). Improving response time for question answering. In Proceedings of the LWA 2008. Würzburg, Germany: Gesellschaft für Informatik.
Leveling, Johannes and Sven Hartrumpf (2008a). Inferring location names for geographic information retrieval. In Advances in Multilingual and Multimodal Information Retrieval: 8th Workshop of the Cross-Language Evaluation Forum, CLEF 2007 (edited by Peters, Carol; Valentin Jijkoun; Thomas Mandl; Henning Müller; Douglas W. Oard; Anselmo Peñas; Vivien Petras; and Diana Santos), volume 5152 of Lecture Notes in Computer Science (LNCS), pp. 773-780. Berlin: Springer.
Leveling, Johannes and Sven Hartrumpf (2008b). On metonymy recognition for geographic information retrieval. International Journal of Geographical Information Science, 22(3):289-299.
Leveling, Johannes (2007c). IRSAW - towards semantic annotation of documents for question answering. In CNI Spring 2007 Task Force Meeting. Phoenix, Arizona: CNI. http://www.cni.org/tfms/2007a.spring/abstracts/PB-irsaw-leveling.html.
vor der Brück, Tim and Johannes Leveling (2007). Parameter learning for a readability checking tool. In Proceedings of the LWA 2007 (Lernen-Wissen-Adaption), Workshop KDML (edited by Hinneburg, Alexander). Halle/Saale, Germany: Gesellschaft für Informatik. http://pi7.fernuni-hagen.de/brueck/papers/brueck_leveling07.pdf.
Glöckner, Ingo; Sven Hartrumpf; and Johannes Leveling (2007b). Logical validation, answer merging and witness selection - a case study in multi-stream question answering. In Proceedings of RIAO 2007 (Recherche d'Information Assistée par Ordinateur - Computer assisted information retrieval), Large-Scale Semantic Access to Content (Text, Image, Video and Sound). Pittsburgh, USA: Le Centre de Hautes Etudes Internationales d'informatique Documentaire - C.I.D. http://pi7.fernuni-hagen.de/papers/gloeckner_hartrumpf_etal07.pdf.
Glöckner, Ingo; Sven Hartrumpf; Hermann Helbig; Johannes Leveling; and Rainer Osswald (2007a). Automatic semantic analysis for NLP applications. Zeitschrift für Sprachwissenschaft, 26(2):241-266.
Hartrumpf, Sven; Ingo Glöckner; and Johannes Leveling (2007). University of Hagen at QA@CLEF 2007: Coreference resolution for questions and answer merging. In Results of the CLEF 2007 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2007 Workshop. Budapest, Hungary. http://www.clef-campaign.org/2007/working_notes/hartrumpfCLEF2007.pdf.
Hartrumpf, Sven and Johannes Leveling (2007b). Interpretation and normalization of temporal expressions for question answering. In Evaluation of Multilingual and Multi-modal Information Retrieval: 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, Revised Selected Papers (edited by Peters, Carol; Paul Clough; Fredric C. Gey; Jussi Karlgren; Bernardo Magnini; Douglas W. Oard; Maarten de Rijke; and Maximilian Stempfhuber), volume 4730 of Lecture Notes in Computer Science, pp. 432-439. Berlin: Springer. http://dx.doi.org/10.1007/978-3-540-74999-8_51.
Hartrumpf, Sven and Johannes Leveling (2007a). Combining approaches for classifying metonymy of named locations. In New Trends in Artificial Intelligence (edited by Neves, José; Manuel Filipe Santos; and José Manuel Machado), pp. 767-778. Braga, Portugal: Tipografia Tadinense.
Leveling, Johannes (2007b). FUH (FernUniversität in Hagen): Metonymy recognition using different kinds of context for a memory-based learner. In Proceedings of SemEval I, pp. 153-156. Prague, Czech Republic. http://acl.ldc.upenn.edu/W/W07/W07-2031.pdf.
Leveling, Johannes (2007a). Exploring term selection for geographic blind feedback. In Proceedings of GIR-2007, the 4th Workshop on Geographical Information Retrieval (hosted by CIKM 2007). Lisbon, Portugal.
Leveling, Johannes (2007d). A modified information retrieval approach to produce answer candidates for question answering. In Proceedings of the LWA 2007 (Lernen-Wissen-Adaption), Workshop FGIR (edited by Hinneburg, Alexander). Halle/Saale, Germany: Gesellschaft für Informatik.
Leveling, Johannes (2007e). Reranking documents with antagonistic terms. In Evaluation of Multilingual and Multi-modal Information Retrieval: 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, Revised Selected Papers (edited by Peters, Carol; Paul Clough; Fredric C. Gey; Jussi Karlgren; Bernardo Magnini; Douglas W. Oard; Maarten de Rijke; and Maximilian Stempfhuber), volume 4730 of Lecture Notes in Computer Science, pp. 170-173. Berlin: Springer. http://dx.doi.org/10.1007/978-3-540-74999-8_24.
Leveling, Johannes and Sven Hartrumpf (2007). University of Hagen at GeoCLEF 2007: Exploring location indicators for geographic information retrieval. In Results of the CLEF 2007 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2007 Workshop. Budapest, Hungary. http://www.clef-campaign.org/2007/working_notes/levelingCLEF2007.pdf.
Leveling, Johannes; Sven Hartrumpf; and Rainer Osswald (2007). Semantic analysis and concept-based translation for multilingual information systems. In 38. Jahrestagung der Gesellschaft für Angewandte Linguistik, Schlüsselqualifikation Sprache, Anforderungen - Standards - Vermittlung (edited by Lenz, Friedrich), pp. 68-69. Hildesheim, Germany: Gesellschaft für Angewandte Linguistik. Printed Abstracts.
Leveling, Johannes and Dirk Veiel (2007). Experiments on the exclusion of metonymic location names from GIR. In Evaluation of Multilingual and Multi-modal Information Retrieval: 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, Revised Selected Papers (edited by Peters, Carol; Paul Clough; Fredric C. Gey; Jussi Karlgren; Bernardo Magnini; Douglas W. Oard; Maarten de Rijke; and Maximilian Stempfhuber), volume 4730 of Lecture Notes in Computer Science, pp. 901-904. Berlin: Springer. http://dx.doi.org/10.1007/978-3-540-74999-8_114.
Hartrumpf, Sven; Hermann Helbig; Johannes Leveling; and Rainer Osswald (2006). An architecture for controlling simple language in web pages. eMinds: International Journal on Human-Computer Interaction, 1(2):93-112.
Glöckner, Ingo; Sven Hartrumpf; Hermann Helbig; Johannes Leveling; and Rainer Osswald (2006). An architecture for rating and controlling text readability. In Proceedings of KONVENS 2006, pp. 32-35. Konstanz, Germany. http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-20131.
Leveling, Johannes and Hermann Helbig (2006). Das NLI-Z39.50 - Natürlichsprachliche Informationssuche zur Verbesserung der Literaturrecherche. In Proceedings of KONVENS 2006, pp. 97-100. Konstanz, Germany.
Hartrumpf, Sven and Johannes Leveling (2006). University of Hagen at QA@CLEF 2006: Interpretation and normalization of temporal expressions. In Results of the CLEF 2006 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2006 Workshop (edited by Nardi, Alessandro; Carol Peters; and José Luis Vicedo). Alicante, Spain. http://www.clef-campaign.org/2006/working_notes/workingnotes2006/hartrumpfCLEF2006.pdf.
Leveling, Johannes (2006b). Formale Interpretation von Nutzeranfragen für natürlichsprachliche Interfaces zu Informationsangeboten im Internet. Der andere Verlag, Tönning, Germany.
Leveling, Johannes (2006c). Formale Interpretation von Nutzeranfragen für natürlichsprachliche Interfaces zu Informationsangeboten im Internet. Dissertation, Fachbereich Informatik, FernUniversität in Hagen. Also appears in: Der andere Verlag, Tönning, Germany, 2006.
Leveling, Johannes (2006a). A baseline for NLP in domain-specific information retrieval. In Accessing Multilingual Information Repositories: 6th Workshop of the Cross-Language Evaluation Forum, CLEF 2005, Vienna, Austria, Revised Selected Papers (edited by Peters, Carol; Fredric C. Gey; Julio Gonzalo; Henning Müller; Gareth J. F. Jones; Michael Kluck; Bernardo Magnini; and Maarten de Rijke), volume 4022 of Lecture Notes in Computer Science (LNCS), pp. 222-225. Berlin: Springer.
Leveling, Johannes (2006e). University of Hagen at CLEF 2006: Reranking documents for the domain-specific task. In Results of the CLEF 2006 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2006 Workshop (edited by Nardi, Alessandro; Carol Peters; and José Luis Vicedo). Alicante, Spain. http://www.clef-campaign.org/2006/working_notes/workingnotes2006/levelingCLEF2006.pdf.
Leveling, Johannes (2006d). On the role of information retrieval in the question answering system IRSAW. In Proceedings of the LWA 2006 (Learning, Knowledge, and Adaptability), Workshop Information Retrieval, pp. 119-125. Hildesheim, Germany: Universität Hildesheim. http://web1.bib.uni-hildesheim.de/2006/fgir2006/Leveling.pdf.
Leveling, Johannes and Sven Hartrumpf (2006). On metonymy recognition for GIR. In Proceedings of GIR-2006, the 3rd Workshop on Geographical Information Retrieval (hosted by SIGIR 2006). Seattle, Washington. http://www.geo.unizh.ch/~rsp/gir06/papers/individual/leveling.pdf.
Leveling, Johannes; Sven Hartrumpf; and Dirk Veiel (2006). Using semantic networks for geographic information retrieval. In Accessing Multilingual Information Repositories: 6th Workshop of the Cross-Language Evaluation Forum, CLEF 2005, Vienna, Austria, Revised Selected Papers (edited by Peters, Carol; Fredric C. Gey; Julio Gonzalo; Henning Müller; Gareth J. F. Jones; Michael Kluck; Bernardo Magnini; and Maarten de Rijke), volume 4022 of Lecture Notes in Computer Science (LNCS), pp. 977-986. Berlin: Springer. http://dx.doi.org/10.1007/11878773_109.
Leveling, Johannes and Dirk Veiel (2006). University of Hagen at GeoCLEF 2006: Experiments with metonymy recognition in documents. In Results of the CLEF 2006 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2006 Workshop (edited by Nardi, Alessandro; Carol Peters; and José Luis Vicedo). Alicante, Spain. http://www.clef-campaign.org/2006/working_notes/workingnotes2006/veielCLEF2006.pdf.
Leveling, Johannes (2005). University of Hagen at CLEF 2005: Towards a better baseline for NLP methods in domain-specific information retrieval. In Results of the CLEF 2005 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2005 Workshop (edited by Peters, Carol). Wien, Österreich: Centromedia. http://www.clef-campaign.org/2005/working_notes/workingnotes2005/leveling05.pdf.
Leveling, Johannes; Sven Hartrumpf; and Dirk Veiel (2005). University of Hagen at GeoCLEF 2005: Using semantic networks for interpreting geographical queries. In Results of the CLEF 2005 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2005 Workshop (edited by Peters, Carol). Wien, Österreich: Centromedia. http://www.clef-campaign.org/2005/working_notes/workingnotes2005/veiel05.pdf.
Leveling, Johannes and Sven Hartrumpf (2005). University of Hagen at CLEF 2004: Indexing and translating concepts for the GIRT task. In Multilingual Information Access for Text, Speech and Images: 5th Workshop of the Cross-Language Evaluation Forum, CLEF 2004 (edited by Peters, Carol; Paul Clough; Julio Gonzalo; Gareth J. F. Jones; Michael Kluck; and Bernardo Magnini), volume 3491 of Lecture Notes in Computer Science, pp. 271-282. Berlin: Springer. http://dx.doi.org/10.1007/11519645_28.
Leveling, Johannes and Sven Hartrumpf (2004). University of Hagen at CLEF 2004: Indexing and translating concepts for the GIRT task. In Results of the CLEF 2004 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2004 Workshop (edited by Peters, Carol and Francesca Borri), pp. 199-208. Bath, England. http://www.clef-campaign.org/2004/working_notes/WorkingNotes2004/25.pdf.
Leveling, Johannes (2004a). Feedback mechanisms for a natural language interface: An application of the critic paradigm. In Proceedings of RIAO 2004 (Recherche d'Information Assistée par Ordinateur - Computer assisted information retrieval), pp. 431-446. Avignon, France: Le Centre de Hautes Etudes Internationales d'informatique Documentaire - C.I.D. http://www.riao.org/Proceedings-2004/papers/0491.pdf.
Leveling, Johannes (2004b). University of Hagen at CLEF 2003: Natural language access to the GIRT4 data. In Comparative Evaluation of Multilingual Information Access Systems: 4th Workshop of the Cross-Language Evaluation Forum, CLEF 2003 (edited by Peters, Carol; Julio Gonzalo; Martin Braschler; and Michael Kluck), volume 3237 of Lecture Notes in Computer Science, pp. 412-424. Berlin: Springer. http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3237&spage=412.
Leveling, Johannes (2003). University of Hagen at CLEF 2003: Natural language access to the GIRT4 data. In Results of the CLEF 2003 Cross-Language System Evaluation Campaign, Working Notes for the CLEF 2003 Workshop (edited by Peters, Carol), pp. 253-262. Trondheim, Norway. http://www.clef-campaign.org/2003/WN_web/30.pdf.
Leveling, Johannes and Hermann Helbig (2002). A robust natural language interface for access to bibliographic databases. In Proceedings of the 6th World Multiconference on Systemics, Cybernetics and Informatics (SCI 2002) (edited by Callaos, Nagib; Maurice Margenstern; and Belkis Sanchez), volume XI, pp. 133-138. International Institute of Informatics and Systemics (IIIS), Orlando, Florida.
Leveling, Johannes and Hermann Helbig (2001). DFG Projekt NLI-Z39.50 - Abschlußbericht und Evaluation. Technical report, Intelligente Informations- und Kommunikationssysteme, FernUniversität in Hagen.
Helbig, Hermann; Carsten Gnörlich; and Johannes Leveling (2000). Natürlichsprachlicher Zugang zu Informationsanbietern im Internet und zu lokalen Datenbanken. In Sprachtechnologie für eine dynamische Wirtschaft im Medienzeitalter (edited by Schmitz, Klaus-Dirk), pp. 79-94. Wien, Austria: TermNet.
Leveling, Johannes (1998). Evaluation von Multithreading in Architekturen mit unterschiedlichen Speichermodellen. Diplomarbeit, Carl-von-Ossietzky Universität Oldenburg, Abteilung Rechnerarchitekturen.
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