Grammars with Composite Storages. - Christian Wartena (LACL, 1998)

On the Concatenation of One-Turn Pushdowns. - Christian Wartena (Grammars, 1999)

Storage structures and conditions on movement in natural language syntax. - Christian Wartena (1999)

Extending Linear Indexed Grammars. - Christian Wartena (TAG+, 2000)

Apolda: A Practical Tool for Semantic Annotation. - Christian Wartena; Rogier Brussee; Luit Gazendam; Willem-Olaf Huijsen (DEXA Workshops, 2007)

Topic Detection by Clustering Keywords. - Christian Wartena; Rogier Brussee (DEXA Workshops, 2008)

Instanced-Based Mapping between Thesauri and Folksonomies. - Christian Wartena; Rogier Brussee (ISWC, 2008)

Storage Products and Linear Control of Derivations. - Christian Wartena (Theory Comput. Syst., 2008)

Using Tag Co-occurrence for Recommendation. - Christian Wartena; Rogier Brussee; Martin Wibbels (ISDA, 2009)

Selecting keywords for content based recommendation. - Christian Wartena; Wout Slakhorst; Martin Wibbels (CIKM, 2010)

Thesaurus Based Term Ranking for Keyword Extraction. - Luit Gazendam; Christian Wartena; Rogier Brussee (DEXA Workshops, 2010)

Keyword Extraction Using Word Co-occurrence. - Christian Wartena; Rogier Brussee; Wout Slakhorst (DEXA Workshops, 2010)

Automatic Classification of Social Tags. - Christian Wartena (ECDL, 2010)

Improving Tag-Based Recommendation by Topic Diversification. - Christian Wartena; Martin Wibbels (ECIR, 2011)

Keyword-Based TV Program Recommendation. - Christian Wartena; Wout Slakhorst; Martin Wibbels; Zeno Gantner; Christoph Freudenthaler; Chris Newell; Lars Schmidt-Thieme (ITWP@IJCAI, 2011)

Rich Speech Retrieval Using Query Word Filter. - Christian Wartena; Martha A. Larson (MediaEval, 2011)

Automatic tagging and geotagging in video collections and communities. - Martha A. Larson; Mohammad Soleymani 001; Pavel Serdyukov; Stevan Rudinac; Christian Wartena; Vanessa Murdock 001; Gerald Friedland; Roeland Ordelman; Gareth J. F. Jones (ICMR, 2011)

Comparing retrieval effectiveness of alternative content segmentation methods for Internet video search. - Maria Eskevich; Gareth J. F. Jones; Christian Wartena; Martha A. Larson; Robin Aly; Thijs Verschoor; Roeland Ordelman (CBMI, 2012)

Comparing segmentation strategies for efficient video passage retrieval. - Christian Wartena (CBMI, 2012)

Automatic Classification of Scientific Records using the German Subject Heading Authority File (SWD). - Christian Wartena; Maike Sommer (SDA, 2012)

Distributional Similarity of Words with Different Frequencies. - Christian Wartena (DIR, 2013)

Regional Knowledge Maps - Potentials and Challenges. - Montserrat Garcia-Alsina; Christian Wartena; Sönke Lieberam-Schmidt (KDIR/KMIS, 2013)

Challenges to Construct Regional Knowledge Maps for Territories' Sustainable Development. - Montserrat Garcia-Alsina; Christian Wartena; Sönke Lieberam-Schmidt (IC3K, 2013)

Challenges and Potentials for Keyword Extraction from Company Websites for the Development of Regional Knowledge Maps. - Christian Wartena; Montserrat Garcia-Alsina (KDIR/KMIS, 2013)

Keyword Extraction from Company Websites for the Development of Regional Knowledge Maps. - Christian Wartena; Montserrat Garcia-Alsina (IC3K, 2013)

HsH: Estimating Semantic Similarity of Words and Short Phrases with Frequency Normalized Distance Measures. - Christian Wartena (SemEval@NAACL-HLT, 2013)

Segmentation Strategies for Passage Retrieval from Internet Video using Speech Transcripts. - Christian Wartena (J. Digit. Inf. Manag., 2013)

On the effect of word frequency on distributional similarity. - Christian Wartena (KONVENS, 2014)

Constructing concept clouds from company websites. - Rosa Tsegaye Aga; Christian Wartena (I-KNOW, 2015)

CogALex-V Shared Task: HsH-Supervised - Supervised similarity learning using entry wise product of context vectors. - Christian Wartena; Rosa Tsegaye Aga (CogALex@COLING, 2016)

Integrating Distributional and Lexical Information for Semantic Classification of Words using MRMF. - Rosa Tsegaye Aga; Lucas Drumond; Christian Wartena; Lars Schmidt-Thieme (COLING, 2016)

Automatic Recognition and Disambiguation of Library of Congress Subject Headings. - Rosa Tsegaye Aga; Christian Wartena; Michael Franke-Maier (TPDL, 2016)

Editorial for the 15th European Networked Knowledge Organization Systems Workshop (NKOS 2016). - Philipp Mayr 001; Douglas Tudhope; Koraljka Golub; Christian Wartena; Ernesto William De Luca (NKOS@TPDL, 2016)

Learning Thesaurus Relations from Distributional Features. - Rosa Tsegaye Aga; Christian Wartena; Lucas Drumond; Lars Schmidt-Thieme (LREC, 2016)

Classifying Medical Literature Using k-Nearest-Neighbours Algorithm. - Andreas Lüschow; Christian Wartena (NKOS@TPDL, 2017)

Structural Analysis of Contract Renewals. - Frieda Josi; Christian Wartena (CIKM Workshops, 2018)

Using Word Embeddings for Unsupervised Acronym Disambiguation. - Jean Charbonnier; Christian Wartena (COLING, 2018)

Text-Based Annotation of Scientific Images Using Wikimedia Categories. - Frieda Josi; Christian Wartena; Jean Charbonnier (DEXA Workshops, 2018)

NOA: A Search Engine for Reusable Scientific Images Beyond the Life Sciences. - Jean Charbonnier; Lucia Sohmen; John Rothman; Birte Rohden; Christian Wartena (ECIR, 2018)

Figures in Scientific Open Access Publications. - Lucia Sohmen; Jean Charbonnier; Ina Blümel; Christian Wartena; Lambert Heller (TPDL, 2018)

Predicting Word Concreteness and Imagery. - Jean Charbonnier; Christian Wartena (IWCS (1), 2019)

Detecting Paraphrases of Standard Clause Titles in Insurance Contracts. - Frieda Josi; Christian Wartena; Ulrich Heid (RELATIONS@IWCS, 2019)

Sentiment Independent Topic Detection in Rated Hospital Reviews. - Christian Wartena; Uwe Sander; Christiane Patzelt (IWCS (2), 2019)

A Probabilistic Morphology Model for German Lemmatization. - Christian Wartena (KONVENS, 2019)

Predicting the Concreteness of German Words. - Jean Charbonnier; Christian Wartena (SwissText/KONVENS, 2020)

Representing Standard Text Formulations as Directed Graphs. - Frieda Josi; Christian Wartena; Ulrich Heid (ICDAR Workshops (2), 2021)

Predicting Visible Terms from Image Captions using Concreteness and Distributional Semantics. - Jean Charbonnier; Christian Wartena (KDIR, 2022)

On the Geometry of Concreteness. - Christian Wartena (RepL4NLP@ACL, 2022)

Estimating Word Concreteness from Contextualized Embeddings. - Christian Wartena (KONVENS, 2024)

Question Generation Capabilities of "Small" Large Language Models. - Joshua Berger; Jonathan Koß; Markos Stamatakis; Anett Hoppe; Ralph Ewerth; Christian Wartena (NLDB (2), 2024)

Enhancing the Learning Experience: Using Vision-Language Models to Generate Questions for Educational Videos. - Markos Stamatakis; Joshua Berger; Christian Wartena; Ralph Ewerth; Anett Hoppe (AIED (2), 2025)