Christian Wartena

Orcid: 0000-0001-5483-1529

Affiliations:
  • Hochschule Hannover, Germany


According to our database1, Christian Wartena authored at least 50 papers between 1998 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

Legend:

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PhD thesis 
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Links

Online presence:

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Bibliography

2024
Question Generation Capabilities of "Small" Large Language Models.
Proceedings of the Natural Language Processing and Information Systems, 2024

Estimating Word Concreteness from Contextualized Embeddings.
Proceedings of the 20th Conference on Natural Language Processing, 2024

2022
On the Geometry of Concreteness.
Proceedings of the 7th Workshop on Representation Learning for NLP, 2022

Predicting Visible Terms from Image Captions using Concreteness and Distributional Semantics.
Proceedings of the 14th International Joint Conference on Knowledge Discovery, 2022

2021
Representing Standard Text Formulations as Directed Graphs.
Proceedings of the Document Analysis and Recognition, 2021

2020
Predicting the Concreteness of German Words.
Proceedings of the 5th Swiss Text Analytics Conference and the 16th Conference on Natural Language Processing, 2020

2019
A Probabilistic Morphology Model for German Lemmatization.
Proceedings of the 15th Conference on Natural Language Processing, 2019

Sentiment Independent Topic Detection in Rated Hospital Reviews.
Proceedings of the 13th International Conference on Computational Semantics, 2019

Detecting Paraphrases of Standard Clause Titles in Insurance Contracts.
Proceedings of the Workshop on Meaning Relations between Phrases and Sentences, 2019

Predicting Word Concreteness and Imagery.
Proceedings of the 13th International Conference on Computational Semantics, 2019

2018
Figures in Scientific Open Access Publications.
Proceedings of the Digital Libraries for Open Knowledge, 2018

NOA: A Search Engine for Reusable Scientific Images Beyond the Life Sciences.
Proceedings of the Advances in Information Retrieval, 2018

Text-Based Annotation of Scientific Images Using Wikimedia Categories.
Proceedings of the Database and Expert Systems Applications, 2018

Using Word Embeddings for Unsupervised Acronym Disambiguation.
Proceedings of the 27th International Conference on Computational Linguistics, 2018

Structural Analysis of Contract Renewals.
Proceedings of the CIKM 2018 Workshops co-located with 27th ACM International Conference on Information and Knowledge Management (CIKM 2018), 2018

2017
Classifying Medical Literature Using k-Nearest-Neighbours Algorithm.
Proceedings of the 17th European Networked Knowledge Organization Systems Workshop co-located with the 21st International Conference on Theory and Practice of Digital Libraries 2017 (TPDL 2017), 2017

2016
Learning Thesaurus Relations from Distributional Features.
Proceedings of the Tenth International Conference on Language Resources and Evaluation LREC 2016, 2016

Editorial for the 15th European Networked Knowledge Organization Systems Workshop (NKOS 2016).
Proceedings of the 15th European Networked Knowledge Organization Systems Workshop (NKOS 2016) co-located with the 20th International Conference on Theory and Practice of Digital Libraries 2016 (TPDL 2016), 2016

Automatic Recognition and Disambiguation of Library of Congress Subject Headings.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2016

Integrating Distributional and Lexical Information for Semantic Classification of Words using MRMF.
Proceedings of the COLING 2016, 2016

CogALex-V Shared Task: HsH-Supervised - Supervised similarity learning using entry wise product of context vectors.
Proceedings of the 5th Workshop on Cognitive Aspects of the Lexicon, 2016

2015
Constructing concept clouds from company websites.
Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business, 2015

2014
On the effect of word frequency on distributional similarity.
Proceedings of the 12th Edition of the Konvens Conference, 2014

2013
Segmentation Strategies for Passage Retrieval from Internet Video using Speech Transcripts.
J. Digit. Inf. Manag., 2013

HsH: Estimating Semantic Similarity of Words and Short Phrases with Frequency Normalized Distance Measures.
Proceedings of the 7th International Workshop on Semantic Evaluation, 2013

Keyword Extraction from Company Websites for the Development of Regional Knowledge Maps.
Proceedings of the Knowledge Discovery, Knowledge Engineering and Knowledge Management, 2013

Challenges and Potentials for Keyword Extraction from Company Websites for the Development of Regional Knowledge Maps.
Proceedings of the KDIR/KMIS 2013 - Proceedings of the International Conference on Knowledge Discovery and Information Retrieval and the International Conference on Knowledge Management and Information Sharing, Vilamoura, Algarve, Portugal, 19, 2013

Challenges to Construct Regional Knowledge Maps for Territories' Sustainable Development.
Proceedings of the Knowledge Discovery, Knowledge Engineering and Knowledge Management, 2013

Regional Knowledge Maps - Potentials and Challenges.
Proceedings of the KDIR/KMIS 2013 - Proceedings of the International Conference on Knowledge Discovery and Information Retrieval and the International Conference on Knowledge Management and Information Sharing, Vilamoura, Algarve, Portugal, 19, 2013

Distributional Similarity of Words with Different Frequencies.
Proceedings of the 13th Dutch-Belgian Workshop on Information Retrieval, 2013

2012
Automatic Classification of Scientific Records using the German Subject Heading Authority File (SWD).
Proceedings of the 2nd International Workshop on Semantic Digital Archives, 2012

Comparing segmentation strategies for efficient video passage retrieval.
Proceedings of the 10th International Workshop on Content-Based Multimedia Indexing, 2012

Comparing retrieval effectiveness of alternative content segmentation methods for Internet video search.
Proceedings of the 10th International Workshop on Content-Based Multimedia Indexing, 2012

2011
Automatic tagging and geotagging in video collections and communities.
Proceedings of the 1st International Conference on Multimedia Retrieval, 2011

Rich Speech Retrieval Using Query Word Filter.
Proceedings of the Working Notes Proceedings of the MediaEval 2011 Workshop, 2011

Keyword-Based TV Program Recommendation.
Proceedings of the 9th Workshop on Intelligent Techniques for Web Personalization & Recommender Systems, 2011

Improving Tag-Based Recommendation by Topic Diversification.
Proceedings of the Advances in Information Retrieval, 2011

2010
Automatic Classification of Social Tags.
Proceedings of the Research and Advanced Technology for Digital Libraries, 2010

Keyword Extraction Using Word Co-occurrence.
Proceedings of the Database and Expert Systems Applications, 2010

Thesaurus Based Term Ranking for Keyword Extraction.
Proceedings of the Database and Expert Systems Applications, 2010

Selecting keywords for content based recommendation.
Proceedings of the 19th ACM Conference on Information and Knowledge Management, 2010

2009
Using Tag Co-occurrence for Recommendation.
Proceedings of the Ninth International Conference on Intelligent Systems Design and Applications, 2009

2008
Storage Products and Linear Control of Derivations.
Theory Comput. Syst., 2008

Instanced-Based Mapping between Thesauri and Folksonomies.
Proceedings of the Semantic Web - ISWC 2008, 7th International Semantic Web Conference, 2008

Topic Detection by Clustering Keywords.
Proceedings of the 19th International Workshop on Database and Expert Systems Applications (DEXA 2008), 2008

2007
Apolda: A Practical Tool for Semantic Annotation.
Proceedings of the 18th International Workshop on Database and Expert Systems Applications (DEXA 2007), 2007

2000
Extending Linear Indexed Grammars.
Proceedings of the Fifth International Workshop on Tree Adjoining Grammar and Related Frameworks, 2000

1999
Storage structures and conditions on movement in natural language syntax.
PhD thesis, 1999

On the Concatenation of One-Turn Pushdowns.
Grammars, 1999

1998
Grammars with Composite Storages.
Proceedings of the Logical Aspects of Computational Linguistics, 1998


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