Blogging
Johannes Hellrich: Word Embeddings: Reliability & Semantic Change. IOS Press / Ph.D. thesis. [open access version]
Christina Lohr, Johannes Kiesel, Stephanie Luther, Johannes Hellrich, Benno Stein & Udo Hahn: Continuous Quality Control and Advanced Text Segment Annotation with WAT-SL 2.0. In: LAW 2019 - The 13th Linguistic Annotation Workshop @ ACL 2019. Italy, Firence, August 1.
Tobias Kolditz, Christina Lohr, Johannes Hellrich, Luise Modersohn, Boris Betz, Michael Kiehntopf & Udo Hahn: Annotating German Clinical Documents for De-Identification. In: MedInfo 2019 - The 17th World Congress of Medical and Health Informatics. Lyon, France, August 25-30.
Johannes Hellrich, Christoph Rzymski, Vitus Vestergaard: The Trans-Medial Fight for Glory. In: Ruth Barratt-Peacock & Ross Hagen (Eds.): Medievalism and Metal Music Studies: Throwing Down the Gauntlet. Emerald.
Johannes Hellrich & Christoph Rzymski: Computational Detection of Medieval References in Metal. In: Ruth Barratt-Peacock & Ross Hagen (Eds.): Medievalism and Metal Music Studies: Throwing Down the Gauntlet. Emerald.
Johannes Hellrich, Bernd Kampe & Udo Hahn: The Influence of Down-Sampling Strategies on SVD Word Embedding Stability. In: RepEval 2019 - Proceedings of the Third Workshop on Evaluating Vector Space Representations for NLP @ NAACL 2019. Minneapolis, MN, USA, June 6, 2019. pp. 18-26. [Slides]
Johannes Hellrich, Sven Buechel & Udo Hahn: Modeling Word Emotion in Historical Language: Quantity Beats Supposed Stability in Seed Word Selection. In: LaTeCH-CLfL 2019 - Proceedings of the 3rd Joint SIGHUM Workshop on Computational Linguistics for Cultural Heritage, Social Sciences, Humanities and Literature @ NAACL 2019. Minneapolis, MN, USA, June 7, 2019. pp. 1-11.
Johannes Hellrich, Sven Buechel & Udo Hahn: JeSemE: A Website for Exploring Diachronic Changes in Word Meaning and Emotion. In: COLING 2018, System Demonstrations. Santa Fe, NM, USA, August 20-26, 2018. pp. 10-14.
Maria Moritz, Johannes Hellrich and Sven Buechel: A human-interpretable method to predict paraphrasticality. In LaTeCH-CLfL 2018 — Proceedings of the 2nd Joint SIGHUM Workshop on Computational Linguistics for Cultural Heritage, Social Sciences, Humanities and Literature @ COLING 2018. Santa Fe, New Mexico, USA, August 25, 2018. pp. 113-118.
Maria Moritz, Johannes Hellrich & Sven Buechel: Towards a Metric for Paraphrastic Modification. In: Digital Humanities 2018. Mexico City, Mexico, June 26-29, 2018. pp. 457-460.
Johannes Hellrich, Alexander Stöger & Udo Hahn: Wenn der Funke überspringt - Word Embeddings im Dienst der Wissenschaftsgeschichte. In: DHd 2018, Kritik der digitalen Vernunft. Köln, Germany, Februar 26 - March 2, 2018. pp. 331-335. [Slides]
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]
Johannes Hellrich & Udo Hahn: Bad Company - Neighborhoods in Neural Embedding Spaces Considered Harmful. In: COLING 2016, Techical Papers. 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: LREC 2016 - Proceedings of the Tenth International Conference on Language Resources and Evaluation. 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]
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: TSD 2015 - Text, Speech, and Dialogue, 18th International Conference. 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: MIE 2015 - Digital Healthcare Empowering Europeans. 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: MIE 2015 - Digital Healthcare Empowering Europeans. 2015, pp. 597-601 (Studies in Health Technology and Informatics, 210).
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: MIE 2014 - e-Health - For Continuity of Care. 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: NLDB 2014 - Natural Language Processing and Information Systems - 19th International Conference on Applications of Natural Language to Information Systems. 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: LREC 2014 - Proceedings of the Ninth International Conference on Language Resources and Evaluation. 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: LREC 2014 - Proceedings of the Ninth International Conference on Language Resources and Evaluation (LREC'14). 26-31 May, Reykjavik, Iceland, 2014. pp. 4230-4237.
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: CLEF 2013 - Information Access Evaluation. Multilinguality, Multimodality, and Visualization - 4th International Conference of the CLEF Initiative. 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.
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.