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Jannik Strötgen

Jannik Strötgen

Senior Researcher
Max-Planck-Institut für Informatik
Department 5: Databases and Information Systems
 office: Campus E1 4, Room 405
Saarland Informatics Campus
66123 Saarbrücken
Germany
 email: Get my email address via email
fingerprint: 17C0 93CD CDB5 4F88 CD55 E7CB 2D95 C987 0E10 1E4A
 phone: +49 681 9325-5105
 fax: +49 681 9325-5099
I am a senior researcher and head of the area Text Analysis.

News and featured information

News

  • 2017-11-23: I was appointed a senior researcher position and am now the head of the "Text Analysis" group at MPI for Informatics, D5: Databases and Information Systems.
  • 2017-09-01: I will teach the core course IRDM with Jilles Vreeken this semester. The course website can be found here.

Book

HeidelTime

  • multilingual, domain-sensitive temporal tagger
  • 13 languages with manually created resources, 200+ languages with automatically created resources
  • plus: English temponym tagging
  • HeidelTime github page

Demos

  • HeidelTime: multilingual, domain-sensitive temporal tagger
  • tiwoli: the today in world literature app for Android and iOS
  • tiwiki: a time-aware search engine for Wikipedia
  • dateRome: a search engine to explore street names with date references on maps with explanations

Research Interests

Short CV

Positions

Education

Teaching

Theses and Book

  • [pdf] Jannik Strötgen
    Domain-sensitive Temporal Tagging for Event-centric Information Retrieval.
    PhD thesis, Institute of Computer Science, Heidelberg University, 2015.
  • [pdf] Jannik Strötgen
    UTEMPL - Aufbau und Evaluierung einer UIMA-basierten Textmining Pipeline für biomedizinische Literatur.
    Magisterarbeit, Department of Computational Linguistics, Heidelberg University, 2009.
Jannik Strötgen, Michael Gertz:
Domain-Sensitive Temporal Tagging.
Synthesis Lectures on Human Language Technologies.
Morgan & Claypool Publishers, 2016.

Research Projects and Activities

Projects

Activities

  • Guest editor
    * Special issue of Information Processing and Management journal on "Time and Information Retrieval" with Leon Derczynski, Ricardo Campos, and Omar Alonso (CfP, Introduction to the Special Issue).
  • Conference tutorial lecturer
    * DHd 2016 tutorial on "CATMA - Eine Plattform zum kollaborativen und automatisierten Annotieren und Analysieren von Texten" with Thomas Bögel, Evelyn Gius, and Marco Petris (description)
    * DH 2014 tutorial on "A Collaborative, Indeterministic and partly Automatized Approach to Text Annotation" with Thomas Bögel, Evelyn Gius, and Marco Petris (description, accompanying material)
  • PC member / reviewer
    * ACL, Association for Computational Linguistics (2018)
    * NAACL-HLT, North American Chapter of the Association for Computational Linguistics - Human Language Technologies, (2018)
    * CIKM, International Conference on Information and Knowledge Management (2017)
    * DH, Digital Humanities Conference (2017)
    * TempWeb, Temporal Web Analytics Workshop (2017, 2016)
    * LaTeCH, Workshop on Language Technology for Cultural Heritage, Social Sciences, and Humanities (2017, 2016)
    * Drift-a-LOD, Workshop on the Detection, Representation and Management of Concept Drift in Linked Open Data (2017, 2016)
    * Teach4DH, Teaching NLP for Digital Humanities Workshop (2017)
    * EMNLP, Conference on Empirical Methods in Natural Language Processing (2016, 2015)
    * IDEAS, International Database Engineering & Applications Symposium (2016, 2015, 2014)
    * SemEval, International Workshop on Semantic Evaluation (2015, 2013)
    * SIMBig, International Symposium on Information Management and Big Data (2015)
  • Journal reviewer
    * TALIP, ACM Transactions on Asian Language Information Processing (2017, 2014, 2013)
    * IPM, Information Processing & Management (2015, 2014)
    * AI, Artificial Intelligence Journal (2011)
    * TCBB, IEEE/ACM Transactions on Computational Biology and Bioinformatics (2010)
  • Book reviewer
    * Synthesis Lectures on Human Language Technologies, Morgan & Claypool Publishers (2017)
  • External Reviewer
    * LREC, Language Resources and Evaluation Conference (2014)
    * CIKM, Conference on Information and Knowledge Management (2013, 2011, 2010)
    * ACM GIS, Conference on Advances in Geographic Information Systems (2011)
    * IWGS International Workshop on GeoStreaming (2010)
  • Reviewer for Funding Agencies
    * Trans-Atlantic Platform for the Social Sciences and Humanities (2016)

Publications

[Google Scholar] [DBLP] [ACM] [ACL] [MPG PuRe]

2018

  • Gius, Reiter, Strötgen, Willand
    SANTA: Systematische Analyse Narrativer Texte durch Annotation.
    DHd'17, Köln, Germany, February 26 - March 2, 2018.
    [accepted] (extended abstract for oral presentation)

2017

  • Degaetano-Ortlieb, Strötgen
    Diachronic Variation of Temporal Expressions in Scientific Writing through the Lens of Relative Entropy.
    GSCL'17, Berlin, Germany, September 13-15, 2017.
    [pdf] (full paper)

  • Reiter, Gyius, Strötgen, Willand
    A Shared Task for a Shared Goal: Systematic Annotation of Literary Texts.
    DH'17, Montreal, Canada, August 8-11, 2017.
    [pdf] (extended abstract for oral presentation; short paper)

  • Boldyrev, Spaniol, Strötgen, Weikum
    SESAME: European Statistics Explored via Semantic Alignment onto Wikipedia.
    WWW'17, Perth, Australia, April 3-7, 2017.
    [pdf] (demo paper)

  • Andrade, Strötgen
    All Dates Lead to Rome: Extracting and Explaining Temporal References in Street Names.
    WWW'17, Perth, Australia, April 3-7, 2017.
    [pdf] (poster paper)

  • Agarwal, Strötgen
    Tiwiki: Searching Wikipedia with Temporal Constraints.
    TempWeb'17, Perth, Australia, April 3, 2017.
    [pdf] (full paper)

  • Popat, Mukherjee, Strötgen, Weikum
    Where the Truth Lies: Explaining the Credibility of Emerging Claims on the Web and Social Media.
    WWW'17 (Web Science Track), Perth, Australia, April 3-7, 2017.
    [pdf] (full paper)

  • Jäschke, Strötgen, Krotova, Fischer
    "Der Helmut Kohl unter den Brotaufstrichen". Zur Extraktion vossianischer Antonomasien aus großen Zeitungskorpora.
    DHd'17, Bern, Switzerland, February 13-18, 2017.
    [pdf] (extended abstract for oral presentation, full paper)

  • Strötgen
    Multilingual and Domain-sensitive Temporal Tagging with HeidelTime.
    DGfS (Computational linguistics poster session), Saarbrücken, Germany, March 8-10, 2017.
    [pdf] (abstract for poster presentation)

2016

  • Strötgen
    Domänen-sensitives Temporal Tagging für Event-zentriertes Information Retrieval.
    Ausgezeichnete Informatikdissertationen 2015.
    Lecture Notes in Informatics, GI-Edition, 2016.
    [pdf] (invited paper)

  • Strötgen, Gertz
    Domain-Sensitive Temporal Tagging.
    Synthesis Lectures on Human Language Technologies.
    Morgan & Claypool Publishers, 2016.
    [link] (book)

  • Popat, Mukherjee, Strötgen, Weikum
    Credibility Assessment of Textual Claims on the Web.
    CIKM'16, Indianapolis, IN, 2016.
    [pdf] (short paper)

  • Gupta, Strötgen, Berberich
    EventMiner: Mining Events from Annotated Documents.
    ICTIR'16, Newark, DE, USA, 2016.
    [pdf] (full paper)

  • Gupta, Strötgen, Berberich
    DigitalHistorian: Search & Analytics Using Annotations.
    HistoInformatics'16, Kraków, Poland, 2016.
    [pdf] (short paper)

  • Bögel, Gius, Jacke, Strötgen
    From Order to Order Switch. Mediating between Complexity and Reproducibility in the Context of Automated Literary Annotation.
    DH'16, Kraków, Poland, 2016.
    [link] (extended abstract for oral presentation; long paper)

  • Derczynski, Strötgen, Maynard, Greenwood, Jung
    GATE-Time: Extraction of Temporal Expressions and Events.
    LREC'16, Portorož, Slovenia, 2016.
    [pdf] (full paper)

  • Kuzey, Strötgen, Setty, Weikum
    Temponym Tagging: Temporal Scopes for Textual Phrases.
    TempWeb'16, Montreal, Canada, April 12, 2016.
    [pdf] (demo paper)

  • Kuzey, Setty, Strötgen, Weikum
    As Time Goes By: Comprehensive Tagging of Textual Phrases with Temporal Scopes.
    WWW'16, Montreal, Canada, April 11-15, 2016.
    [pdf] (full paper)

2015

  • Bögel, Gertz, Gius, Jacke, Meister, Petris, Strötgen
    Collaborative Text Annotation Meets Machine Learning: heureCLÉA, a Digital Heuristic of Narrative.
    DHCommons journal, 2015.
    [url] (journal article)

  • Geiß, Spitz, Strötgen, Gertz
    The Wikipedia Location Network - Overcoming Borders and Oceans.
    GIR'15, Paris, France, November 26-27, 2015.
    [pdf] (short paper)

  • Fischer, Strötgen
    Un calendario de la literatura española (aplicación para Android e iOS).
    HDH'15, Madrid, Spain, October 5-7, 2015.
    [pdf] (extended abstract for oral presentation; best long submission award)

  • Derczynski, Strötgen, Campos, Alonso
    Time and Information Retrieval: Introduction to the Special Issue.
    Information Processing Management (IPM), 2015. Elsevier.
    [pdf] (journal article)

  • Strötgen, Gertz
    A Baseline Temporal Tagger for all Languages.
    EMNLP'15, Lisbon, Portugal, September 17-21, 2015.
    [pdf] (short paper)

  • Bögel, Strötgen, Gertz
    A Hybrid Approach to Extract Temporal Signals from Narratives.
    GSCL'15, Duisburg-Essen, Germany, September 30 - October 2, 2015.
    [pdf] (short paper)

  • Gius, Jacke, Meister, Bögel, Strötgen
    Beyond Pragmatics: Disciplinary Profits of Interdisciplinary Approaches.
    DH'15, Sydney, Australia, June 29 - July 3, 2015.
    [link] (extended abstract for oral presentation; short paper)

  • Fischer, Strötgen
    When Does German Literature Take Place? - On the Analysis of Temporal Expressions in Large Corpora.
    DH'15, Sydney, Australia, June 29 - July 3, 2015.
    [pdf] (extended abstract for oral presentation; short paper)

  • Moulahi, Strötgen, Gertz, Tamine-Lechani
    HeidelToul: A Baseline Approach for Cross-document Event Ordering.
    SemEval'15, Denver, Colorado, June 4-5, 2015.
    [pdf] (full paper)

  • Spitz, Strötgen, Bögel, Gertz
    Terms in Time and Times in Context: A Graph-based Term-Time Ranking Model.
    TempWeb'15, Florence, Italy, May 18, 2015.
    [pdf] (full paper)

  • Strötgen
    Domain-sensitive Temporal Tagging for Event-centric Information Retrieval.
    PhD thesis, Institute of Computer Science, Heidelberg University, 2015.
    [pdf] (thesis)

  • Fischer, Strötgen
    Wann findet die deutsche Literatur statt? Zur Untersuchung von Zeitausdrücken in großen Korpora.
    DHd'15, Graz, Austria, February 23-27, 2015.
    [pdf] (extended abstract for oral presentation)

  • Bögel, Gertz, Gius, Jacke, Meister, Petris, Strötgen
    Gleiche Textdaten, unterschiedliche Erkenntnisziele? Zum Potential vermeintlich widersprüchlicher Zugänge zu Textanalyse.
    DHd'15, Graz, Austria, February 23-27, 2015.
    [pdf] (extended abstract for oral presentation)

  • Bögel, Petris, Strötgen, Gertz
    An End-to-End Integration of Automatic Annotations into CATMA.
    DHd'15, Graz, Austria, February 23-27, 2015.
    [pdf] (extended abstract for poster presentation)

2014

  • Manfredi, Strötgen, Zell, Gertz
    HeidelTime at EVENTI: Tuning Italian Resources and Addressing TimeML's Empty Tags.
    EVALITA'14, Pisa, Italy, December 11, 2014.
    [pdf] (full paper, winner of the temporal tagging subtask)

  • Bögel, Strötgen, Gertz
    Computational Narratology: Extracting Tense Clusters from Narrative Texts.
    LREC'14, Reykjavik, Iceland, May 21-31, 2014.
    [
    pdf] (full paper)

  • Strötgen, Bögel, Zell, Armiti, Canh, Gertz
    Extending HeidelTime for Temporal Expressions Referring to Historic Dates.
    LREC'14, Reykjavik, Iceland, May 21-31, 2014.
    [pdf] (full paper)

  • Li, Strötgen, Zell, Gertz
    Chinese Temporal Tagging with HeidelTime.
    EACL'14, Gothenburg, Sweden, April 16-30, 2014.
    [pdf] (short paper)

  • Strötgen, Armiti, Canh, Zell, Gertz
    Time for More Languages: Temporal Tagging of Arabic, Italian, Spanish, and Vietnamese.
    Transactions on Asian Language Information Processing (TALIP), 2014. ACM.
    [pdf] (journal article)

  • Bögel, Strötgen, Mayer, Gertz
    A Flexible NLP Pipeline for Computational Narratology.
    DHd'14, Passau, Germany, March 25-28, 2014.
    [pdf] (extended abstract for poster presentation)

2013

  • Strötgen, Gertz
    Proximity2-aware Ranking for Textual, Temporal, and Geographic Queries.
    CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013.
    [pdf] (short paper) [extended version]

  • Strötgen, Gertz
    Multilingual and Cross-domain Temporal Tagging.
    Language Resources and Evaluation, 2013. Springer.
    [pdf] (journal article)

  • Strötgen, Zell, Gertz
    HeidelTime: Tuning English and Developing Spanish Resources for TempEval-3.
    SemEval'13, Atlanta, GA, USA, June 13-15, 2013.
    [pdf] (full paper, winner of temporal tagging subtask for English and Spanish)

  • Kapp, Strötgen, Gertz
    EvenPers: Event-based Person Exploration and Correlation.
    BTW'13, Magdeburg, Germany, March 11-15, 2013.
    [pdf] (demo paper)

2012

  • Keller, Strötgen, Gertz
    Event-centric Document Similarity for Biomedical Literature.
    SMBM'12, Zurich, Switzerland, September 3-4, 2012.
    [pdf] (short paper)

  • Strötgen, Gertz
    Event-centric Search and Exploration in Document Collections.
    JCDL'12, Washington, DC, June 10-14, 2012.
    [pdf] (full paper, nominated for Best Student Paper)

  • Strötgen, Gertz
    Temporal Tagging on Different Domains: Challenges, Strategies, and Gold Standards.
    LREC'12, Istanbul, Turkey, May 21-27, 2012.
    [pdf] (full paper)

  • Strötgen, Alonso, Gertz
    Identification of Top Relevant Temporal Expressions in Documents.
    TempWeb"12, Lyon, France, April 17, 2012.
    [pdf] (full paper)

  • Strötgen, Alonso, Gertz
    Retro: Time-based Exploration of Product Reviews.
    ECIR'12, Barcelona, Spain, April 1-5, 2012.
    [pdf] (demo paper)

2011

  • Strötgen, Gertz
    WikiWarsDE: A German Corpus of Narratives Annotated with Temporal Expressions.
    GSCL'11, Hamburg, Germany, September 28-30, 2011.
    [pdf] (full paper)

  • Strötgen, Gertz, Junghans
    An Event-centric Model for Multilingual Document Similarity.
    SIGIR'11, Beijing, China, July 24-28, 2011.
    [pdf] (full paper)

  • Alonso, Strötgen, Baeza-Yates, Gertz
    Temporal Information Retrieval: Challenges and Opportunities.
    TempWeb'11, Hyderabad, India, March 28, 2011.
    [pdf] (full paper)

2010

  • Strötgen, Gertz
    TimeTrails: A System for Exploring Spatio-Temporal Information in Documents.
    VLDB'10, Singapore, September 13-18, 2010.
    [pdf] (demo paper)

  • Strötgen, Gertz
    HeidelTime: High Quality Rule-based Extraction and Normalization of Temporal Expressions.
    SemEval'10, Uppsala, Sweden, July 15-16, 2010.
    [pdf] (system paper, winner of temporal tagging subtask for English)

  • Strötgen, Gertz, Popov
    Extraction and Exploration of Spatio-Temporal Information in Documents.
    GIR'10, Zurich, Switzerland, February 18-19, 2010.
    [pdf] (full paper)

Before

  • Strötgen, Fluck, Holler
    Dependenz-basierte Relationsextraktion mit der UIMA-basierten Text-Mining Pipeline UTEMPL.
    GSCL'09, Potsdam, Germany, September 30 - October 2, 2009.
    [pdf] (full paper)

  • Strötgen
    UTEMPL - Aufbau und Evaluierung einer UIMA-basierten Textmining Pipeline für biomedizinische Literatur.
    Magisterarbeit, Department of Computational Linguistics, Heidelberg University, 2009.
    [pdf] (thesis)

  • Wermter, Fluck, Strötgen, Geißler, Hahn
    Recognizing Noun Phrases in Biomedical Text: An Evaluation of Lab Prototypes and Commercial Chunkers.
    SMBM'05, Hinxton, England, 2005.
    [pdf] (full paper)

Invited Talks and Presentations

2017
  • [pdf] Tiwiki: Searching Wikipedia with Temporal Constraints.
    TempWeb 2017, Montreal, Canada, April 3, 2017.
  • [pdf] Time for Text Mining and Information Retrieval.
    MPI-INF/MPI-SWS Joint Lecture Series, Saarbrücken, Germany, January 11, 2017.
    (invited by Prof. Dr. Gerhard Weikum)
2016
  • Natural Language Processing, Responsibly.
    Dagstuhl Seminar "Data, Responsibly", Dagstuhl, Germany, July 21, 2016.
  • Temponym Tagging, Comprehensive Tagging of Textual Phrases with Temporal Scopes.
    StatNLP Colloquium, Heidelberg, Germany, June 8, 2016.
    (invited talk, Prof. Dr. Stefan Riezler, Prof. Dr. Michael Gertz)
  • Zeit für bessere Suche.
    GI Dissertationspreis 2015 Kolloquium
    Dagstuhl, Germany, May 2, 2016.
  • [pdf] Temponym Tagging: Temporal Scopes for Textual Phrases.
    TempWeb 2016, Montreal, Canada, April 10, 2016.
2015
  • Temporal Tagging for Text Mining Applications.
    Bosch Corporate Research, Renningen, Germany, July 28, 2015.
    (invited talk, Dr. Michael Hanselmann)
  • Event-centric Information Retreival.
    MPI, Saarbrücken, Germany June 23, 2015.
    (invited talk, Prof. Dr. Gerhard Weikum)
  • "Literjahrtur" - eine Kalender-App für Android mit Daten aus einem weltliterarischen Korpus.
    DARIAH-DE Workshop "Warum nicht mal mobil? Apps in den Digital Humanities", Darmstadt, Germany, April 24, 2015.
    (invited talk, together with Frank Fischer)
  • Multilingual and Domain-sensitive Temporal Tagging for Text Analytics.
    SAP Innovation@SSI&SolMan Presentation Series, April 29, 2015.
    (invited talk, Michael Laux, SAP)
  • [pdf] Domain-sensitive Temporal Tagging for Event-centric Information Retrieval.
    UKP Colloquial, Darmstadt, Germany, April 16, 2015.
    (invited talk, Prof. Dr. Iryna Gurevych)
  • Domain-sensitive Temporal Tagging for Event-centric Information Retrieval.
    PhD defense, Heidelberg University, Heidelberg, Germany, March 2, 2015.
  • [pdf] Wann findet die deutsche Literatur statt?
    DHd 2015, Graz, Austria, February 27, 2015.
    (together with Frank Fischer)
  • Domain-sensitive Temporal Tagging for Event-centric Information Retrieval.
    NLP Lab at DFKI, Berlin, Germany, February 2, 2015.
    (invited talk, Prof. Dr. Hans Uszkoreit)
2013
  • Proximity2-aware Ranking for Textual, Temporal, and Geographic Queries.
    CIKM 2013, San Francisco, CA, USA, October 28, 2013.
  • Domain-sensitive Temporal Tagging for Event-centric Information Retrieval.
    WBI Forschungsseminar, HU Berlin, Germany, June 24, 2013.
    (invited talk, Prof. Dr. Ulf Leser)
  • HeidelTime: Tuning English and Developing Spanish Resources for TempEval-3. SemEval 2013, Atlanta, GA, USA, June 14, 2013.
  • Event-centric Information Extraction and Retrieval to Explore Document Collections.
    Guest Lecture: Web Search and Information Retrieval, Mannheim, Germany, May 7, 2013.
    (invited talk, Prof. Dr. Simone Paolo Ponzetto)
2012
  • Event-centric Document Similarity for Biomedical Literature.
    SMBM 2012, Zurich, Switzerland, September 4, 2012.
  • Event-centric Information Extraction and Information Retrieval to Explore Document Collections.
    DIMA Colloquium, Berlin, Germany, July 9, 2012.
    (invited talk, Prof. Dr. Volker Markl)
  • Multilingual and Cross-domain Temporal Tagging with HeidelTime.
    LOEWE Colloquium, Frankfurt, Germany, June 28, 2012.
    (invited talk, Prof. Dr. Alexander Mehler)
  • Event-centric Search and Exploration in Document Collections.
    JCDL 2012, Washington, D.C., USA, June 12, 2012.
  • Identification of Top Relevant Temporal Expressions in Documents.
    TempWeb 2012, Lyon, France, April 17, 2012.
2011
  • WikiWarsDE: A German Corpus of Narratives Annotated with Temporal Expressions.
    GSCL 2011, Hamburg, Germany, September 30, 2011.
  • An Event-centric Model for Multilingual Document Similarity.
    SIGIR 2011, Beijing, China, July 27, 2011.
2010
  • [pdf] Annotating Spatio-Temporal Information in Documents.
    Workshop: Name Classification and Grounding in Multilingual Corpora, Zurich, Switzerland, June 8, 2010.
    (invited talk, Prof. Dr. Martin Volk)
  • Extraction and Exploration of Spatio-Temporal Information in Documents.
    GIR 2010, Zurich, Switzerland, February 19, 2010.
before
  • Dependency-based Relation Extraction Using the UIMA-based Text Mining Pipeline UTEMPL.
    GSCL 2009, Potsdam, Germany, October 2, 2009.
  • Combining Linguistic and Symbolic Clues to Improve Multi-word Term Extraction from Free Text.
    Tekom 2005, Wiesbaden, Germany, November 10, 2005.
    (together with Stefan Geißler and Sebastian Kreß)

Posters

2017
  • [pdf] All Dates Lead to Rome: Extracting and Explaining Dates in Street Names.
    WWW'17, Perth, Australia, April 3-7, 2017.
  • [pdf] Mulitlingual Domain-sensitive Temporal Tagging with HeidelTime.
    DGfS'17, Saarbrücken, Germany, March 8-10, 2017.
2015
  • [pdf] A Baseline Temporal Tagger for All Languages.
    EMNLP'15, Lisbon, Portugal, September 17-21, 2015.
  • [pdf] An End-to-End Integration of Automatic Annotations into CATMA.
    DHd'15, Graz, Austria, February 23-27, 2015.
2014
  • [pdf] HeidelTime at EVENTI: Tuning Italian Resources and Addressing TimeML's Empty Tags.
    EVALITA'14, Pisa, Italy, December 11, 2014.
  • [pdf] Computational Narratology: Extracting Tense Clusters from Narrative Texts.
    LREC'14, Reykjavik, Iceland, May 21-31, 2014.
  • [pdf] Extending HeidelTime for Temporal Expressions Referring to Historic Dates.
    LREC'14, Reykjavik, Iceland, May 21-31, 2014.
  • [pdf] Chinese Temporal Tagging with HeidelTime.
    EACL'14, Gothenburg, Sweden, April 16-30, 2014.
  • [pdf] A Flexible NLP Pipeline for Computational Narratology.
    DHd'14, Passau, Germany, March 25-28, 2014.
2013
  • [pdf] Annotating Temporal Phenomena in Literary Text in the Context of the heureCLÉA Project.
    Herrenhausen Conference on the Humanities in the Digital Age, 2013, Hannover, Germany, December 5-7, 2013.
  • [pdf] HeidelTime at TempEval-3: Tuning English and Developing Spanish Resources.
    SemEval'13, Atlanta, GA, USA, June 13-15, 2013.
  • [pdf] EvenPers: Event-based Person Exploration and Correlation.
    BTW'13, Magdeburg, Germany, March 11-15, 2013.
2012
  • [pdf] HeidelTime: Temporal Tagging on Different Domains.
    LREC'12, Istanbul, Turkey, May 21-27, 2012.
  • [pdf] Retro: Time-based Exploration of Product Reviews.
    ECIR'12, Barcelona, Spain, April 1-5, 2012.
2010
  • [pdf] TimeTrails: A System for Exploring Spatio-Temporal Information in Documents.
    VLDB'10, Singapore, September 13-18, 2010.
  • [pdf] HeidelTime: High Quality Extraction and Normalization of Temporal Expressions.
    SemEval'10, Uppsala, Sweden, July 15-16, 2010.
2008
  • [pdf] UTEMPL - The UIMA based Text Mining Pipeline.
    Text Mining Symposium 2008, Bonn, Germany, September 25, 2008.

Private - personal interests

  • running, climbing, bouldering, skiing, traveling, literature, programming