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2017

Johannes Hellrich & Udo Hahn: Don't Get Fooled by Word Embeddings-Better Watch their Neighborhood. In: Digital Humanities 2017. Montreal, Canada, August 8-11, 2017. pp. 250-252. [Slides]

Sven Buechel, Johannes Hellrich & Udo Hahn: The Course of Emotion in Three Centuries of German Text-A Methodical Framework. In: Digital Humanities 2017. Montreal, Canada, August 8-11, 2017. pp. 176-179.

Johannes Hellrich & Udo Hahn: Exploring Diachronic Lexical Semantics with JeSemE. In: ACL 2017, System Demonstrations. Vancouver, Canada, July 30 - August 4, 2017, pp. 31-36. [Link to system]

Johannes Hellrich, Franz Matthies & Udo Hahn: UIMA als Plattform für die nachhaltige Software-Entwicklung in den Digital Humanities. In: DHd 2017, Digitale Nachhaltigkeit, Konferenzabstracts. Bern, Switzerland, February 13-18, 2017, pp. 279-281. [Poster]

2016

Johannes Hellrich & Udo Hahn: Bad Company - Neighborhoods in Neural Embedding Spaces Considered Harmful. In: COLING 2016. Osaka, Japan, December 13-16, 2016, pp. 2785-2796. [Poster]

Sven Buechel, Johannes Hellrich & Udo Hahn: Feelings from the Past - Adapting Affective Lexicons for Historical Emotion Analysis. In: Proceedings of the Workshop on Language Technology Resources and Tools for Digital Humanities (LT4DH) @ COLING 2016. Osaka, Japan, December 11, 2016, pp. 54-61.

Johannes Hellrich & Udo Hahn: An Assessment of Experimental Protocols for Tracing Changes in Word Semantics Relative to Accuracy and Reliability. In: Proceedings of the 10th SIGHUM Workshop on Language Technology for Cultural Heritage, Social Sciences, and Humanities (LaTeCH) @ ACL2016. Berlin, Germany, August 11, 2016, pp. 111-117. [Poster]

Johannes Hellrich & Udo Hahn: Measuring the Dynamics of Lexico-Semantic Change Since the German Romantic Period. In: Digital Humanities 2016: Conference Abstracts. Krakow, Poland, July 11-16, 2016, pp. 545-547.

Udo Hahn, Franz Matthies, Erik Faessler & Johannes Hellrich: UIMA-Based JCoRe 2.0 Goes GitHub and Maven Central ― State-of-the-Art Software Resource Engineering and Distribution of NLP Pipelines. In: Nicoletta Calzolari, Khalid Choukri, Thierry Declerck, Marko Grobelnik, Bente Maegaard, Joseph Mariani, Asuncion Moreno, Jan Odijk, Stelios Piperidis (Eds.): Proceedings of the Tenth International Conference on Language Resources and Evaluation (LREC 2016). Portorož, Slovenia, 2016, pp. 2502-2509.

Johannes Hellrich & Udo Hahn: Romantik im Wandel der Zeit - eine quantitative Untersuchung. In: DHd 2016, Modellierung - Vernetzung - Visualisierung, Die Digital Humanities als fächerübergreifendes Forschungsparadigma. Leipzig, Germany, March 7-12, 2016, pp. 325-326. [Poster]

2015

Johannes Hellrich, Stefan Schulz, Sven Buechel & Udo Hahn: JUFIT: A Configurable Rule Engine for Filtering and Generating New Multilingual UMLS Terms. In: AMIA Annual Symposium Proceedings 2015, 2015, pp. 604-610.

Johannes Hellrich & Udo Hahn: Adding Multilingual Terminological Resources to Parallel Corpora for Statistical Machine Translation Deteriorates System Performance: A Negative Result from Experiments in the Biomedical Domain. In: Pavel Král and Václav Matoušek (Eds.): Text, Speech, and Dialogue, 18th International Conference, TSD 2015. Pilsen, Czech Republic, September 14-17, 2015, pp. 506-514 (Lecture Notes in Computer Science, 9302).

Johannes Hellrich, Franz Matthies, Erik Faessler & Udo Hahn: Sharing Models and Tools for Processing German Clinical Text. In: Ronald Cornet, Lăcrămioara Stoicu-Tivadar, Alexander Hörbst, Carlos Luis Parra Calderón, Stig Kjær Andersen, Mira Hercigonja-Szekeres (Eds.): Digital Healthcare Empowering Europeans [= Proceedings of MIE2015]. 2015, pp. 734-738 (Studies in Health Technology and Informatics, 210).

Jose Antonio Miñarro-Giménez, Johannes Hellrich & Stefan Schulz: Acquisition of Character Translation Rules for Supporting SNOMED CT Localizations. In: Ronald Cornet, Lăcrămioara Stoicu-Tivadar, Alexander Hörbst, Carlos Luis Parra Calderón, Stig Kjær Andersen, Mira Hercigonja-Szekeres (Eds.): Digital Healthcare Empowering Europeans [= Proceedings of MIE2015]. 2015, pp. 597-601 (Studies in Health Technology and Informatics, 210).

2014

Johannes Hellrich & Udo Hahn: Fostering Multilinguality in the UMLS: A Computational Approach to Terminology Expansion for Multiple Languages. In: AMIA Annual Symposium Proceedings 2014, 2014, pp. 655-660d.

Anne H. Schneider, Johannes Hellrich & Saturnino Luz: Word, Syllable and Phoneme Based Metrics Do Not Correlate with Human Performance in ASR-Mediated Tasks. In: Adam Przepiórkowski, Maciej Ogrodniczuk (Eds.): Advances in Natural Language Processing - 9th International Conference on NLP, PolTAL 2014. Warsaw, Poland, September 17-19, 2014, pp. 392-399 (Lecture Notes in Computer Science, 8686).

Johannes Hellrich & Udo Hahn: Exploiting Parallel Corpora to Scale Multilingual Biomedical Terminologies. In: Christian Lovis, Brigitte Séroussi, Arie Hasman, Louise Pape-Haugaard, Osman Saka and, Stig Kjær Andersen (Eds.): e-Health - For Continuity of Care  [= Proceedings of MIE2014]. 2014, pp. 575-578 (Studies in Health Technology and Informatics, 205).

Johannes Hellrich & Udo Hahn: Enriching Multilingual Biomedical Terminologies via Machine Translation from Parallel Corpora. In: Elisabeth Métais, Mathieu Roche and Maguelonne Teisseire (Eds.): Natural Language Processing and Information Systems - 19th International Conference on Applications of Natural Language to Information Systems, NLDB 2014. Montpellier, France, June 18-20, 2014, pp. 9-20 (Lecture Notes in Computer Science, 8455).

Johannes Hellrich, Simon Clematide, Udo Hahn & Dietrich Rebholz-Schuhmann: Collaboratively Annotating Multilingual Parallel Corpora in the Biomedical Domain-some MANTRAs. In: Calzolari N., Choukri K., Declerck T., Loftsson H., Maegaard B., Mariani J., Moreno A., Odijk J. and Piperidis S (Eds.): Proceedings of the Ninth International Conference on Language Resources and Evaluation (LREC'14). 26-31 May, Reykjavik, Iceland, 2014. pp. 4033-4040.

Erik Faessler, Johannes Hellrich & Udo Hahn: Disclose Models, Hide the Data-How to Make Use of Confidential Corpora without Seeing Sensitive Raw Data. In: Calzolari N., Choukri K., Declerck T., Loftsson H., Maegaard B., Mariani J., Moreno A., Odijk J. and Piperidis S (Eds.): Proceedings of the Ninth International Conference on Language Resources and Evaluation (LREC'14). 26-31 May, Reykjavik, Iceland, 2014. pp. 4230-4237.

2013

Dietrich Rebholz-Schuhmann, Simon Clematide, Fabio Rinaldi, Senay Kafkas, Erik M. van Mulligen, Chinh Bui, Johannes Hellrich, Ian Lewin, David Milward, Michael Poprat, Antonio Jimeno-Yepes, Udo Hahn & Jan A. Kors: Entity Recognition in Parallel Multilingual Biomedical Corpora: The CLEF-ER Laboratory Overview. In: P. Forner,  H. Müller, R. Paredes, P. Rosso & B. Stein (Eds.): Information Access Evaluation. Multilinguality, Multimodality, and Visualization - 4th International Conference of the CLEF Initiative, CLEF 2013. Valencia, Spain, September 23-26, 2013, pp. 353-367 (Lecture Notes in Computer Science, 8138).

Johannes Hellrich & Udo Hahn: The JULIE LAB MANTRA System for the CLEF-ER 2013 Challenge. In: CLEF 2013 Evaluation Labs and Workshop Online Working Notes, Valencia, Spain, 2013.

Dietrich Rebholz-Schuhmann, Simon Clematide, Fabio Rinaldi, Senay Kafkas, Erik M. van Mulligen, Chinh Bui, Johannes Hellrich, Ian Lewin, David Milward, Michael Poprat, Antonio Jimeno-Yepes, Udo Hahn & Jan A. Kors: Multilingual Semantic Resources and Parallel Corpora in the Biomedical Domain: the CLEF-ER Challenge. In: CLEF 2013 Evaluation Labs and Workshop Online Working Notes. Valencia, Spain, 2013.

Johannes Hellrich & Udo Hahn: Biomedical Term Acquisition Based on Aligned Parallel Corpora. In: 58. Jahrestagung der Deutschen Gesellschaft für Medizinische Informatik, Biometrie und Epidemiologie e.V. (GMDS). Lübeck, Germany, 2013.

2012

Johannes Hellrich, Erik Faessler, Ekaterina Buyko & Udo Hahn: Visualizing Semantic Metadata from Biological Publications. In: International Workshop on Intelligent Exploration of Semantic Data (IESD 2012) at EKAW 2012. Galway City, Ireland, 2012.

Johannes Hellrich: Retrieval und Visualisierung biomedizinischer Relationen - Erweiterung einer semantischen Suchmaschine zur Arbeit mit Protein-Protein-Interaktionen. Master Thesis. Friedrich-Schiller-Universtität Jena, 2012.