Sebastian Hellmann

Publication Activity (10 Years)

Years Active: 2008-2023
Publications (10 Years): 34

Top Topics

Semantically Enhanced

Top Venues

Publications

Johannes Frey, Marvin Hofer, Sebastian Hellmann
Studying Linked Data Accessibility Healthiness for the Long Tail of the Data Web. QuWeDa/MEPDaW@ISWC (2023)
Johannes Frey, Denis Streitmatter, Natanael Arndt, Sebastian Hellmann
Reproducibility Crisis in the LOD Cloud? Studying the Impact of Ontology Accessibility and Archiving as a Counter Measure. ISWC (2022)
Bettina Klimek, Markus Ackermann, Martin Brümmer, Sebastian Hellmann
MMoOn Core - the Multilingual Morpheme Ontology. Semantic Web 12 (5) (2021)
Johannes Frey, Denis Streitmatter, Sebastian Hellmann
DACOC3 - DBpedia Archivo Challenging Ontology Consistency Check Collection. SemREC@ISWC (2021)
Johannes Frey, Fabian Götz, Marvin Hofer, Sebastian Hellmann
Managing and Compiling Data Dependencies for Semantic Applications Using Databus Client. MTSR (2021)
Johannes Frey, Sebastian Hellmann
FAIR Linked Data - Towards a Linked Data Backbone for Users and Machines. WWW (Companion Volume) (2021)
Sebastian Hellmann, Johannes Frey, Marvin Hofer, Milan Dojchinovski, Krzysztof Wecel, Wlodzimierz Lewoniewski
Towards a Systematic Approach to Sync Factual Data across Wikipedia, Wikidata and External Data Sources. Qurator (2021)
Johannes Frey, Denis Streitmatter, Fabian Götz, Sebastian Hellmann, Natanael Arndt
DBpedia Archivo: A Web-Scale Interface for Ontology Archiving Under Consumer-Oriented Aspects. SEMANTiCS (2020)
Marvin Hofer, Sebastian Hellmann, Milan Dojchinovski, Johannes Frey
The New DBpedia Release Cycle: Increasing Agility and Efficiency in Knowledge Extraction Workflows. SEMANTiCS (2020)
Johannes Frey, Kay Müller, Sebastian Hellmann, Erhard Rahm, Maria-Esther Vidal
Evaluation of metadata representations in RDF stores. Semantic Web 10 (2) (2019)
Johannes Frey, Marvin Hofer, Daniel Obraczka, Jens Lehmann, Sebastian Hellmann
DBpedia FlexiFusion the Best of Wikipedia > Wikidata > Your Data. ISWC (2) (2019)
Milan Dojchinovski, Julio Hernandez, Markus Ackermann, Amit Kirschenbaum, Sebastian Hellmann
DBpedia NIF: Open, Large-Scale and Multilingual Knowledge Extraction Corpus. CoRR (2018)
Daniel Fernández-Álvarez, Herminio García-González, Johannes Frey, Sebastian Hellmann, José Emilio Labra Gayo
Inference of Latent Shape Expressions Associated to DBpedia Ontology. ISWC (P&D/Industry/BlueSky) (2018)
Mariano Rico, Nandana Mihindukulasooriya, Dimitris Kontokostas, Heiko Paulheim, Sebastian Hellmann, Asunción Gómez-Pérez
Predicting incorrect mappings: a data-driven approach applied to DBpedia. SAC (2018)
Amrapali Zaveri, Dimitris Kontokostas, Sebastian Hellmann, Jürgen Umbrich
Editorial: Special issue on quality management of Semantic Web assets (data, services and systems). Semantic Web 9 (1) (2018)
Ali Ismayilov, Dimitris Kontokostas, Sören Auer, Jens Lehmann, Sebastian Hellmann
Wikidata through the eyes of DBpedia. Semantic Web 9 (4) (2018)
Jan Forberg, Gustavo Publio, Sebastian Hellmann
Investigating Explorability of DBpedia and its Ontology. SEMANTiCS Posters&Demos (2017)
Ciro Baron Neto, Dimitris Kontokostas, Amit Kirschenbaum, Gustavo Correa Publio, Diego Esteves, Sebastian Hellmann
IDOL: Comprehensive & Complete LOD Insights. SEMANTiCS (2017)
Bettina Klimek, John P. McCrae, Christian Lehmann, Christian Chiarcos, Sebastian Hellmann
OnLiT: An Ontology for Linguistic Terminology. LDK (2017)
Wouter Maroy, Anastasia Dimou, Dimitris Kontokostas, Ben De Meester, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann
Sustainable Linked Data Generation: The Case of DBpedia. ISWC (2) (2017)
Ben De Meester, Anastasia Dimou, Wouter Maroy, Dimitris Kontokostas, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann
A Vocabulary-Independent Generation Framework for DBpedia and Beyond. ISWC (Posters, Demos & Industry Tracks) (2017)
Johannes Frey, Sebastian Hellmann
MaSQue: An Approach for Flexible Metadata Storage and Querying in RDF. SEMANTiCS Posters&Demos (2017)
Bettina Klimek, Markus Ackermann, Amit Kirschenbaum, Sebastian Hellmann
Investigating the Morphological Complexity of German Named Entities: The Case of the GermEval NER Challenge. GSCL (2017)
Milan Dojchinovski, Felix Sasaki, Tatjana Gornostaja, Sebastian Hellmann, Erik Mannens, Frank Salliau, Michele Osella, Phil Ritchie, Giannis Stoitsis, Kevin Koidl, Markus Ackermann, Nilesh Chakraborty
FREME: Multilingual Semantic Enrichment with Linked Data and Language Technologies. LREC (2016)
Ciro Baron Neto, Kay Müller, Martin Brümmer, Dimitris Kontokostas, Sebastian Hellmann
LODVader: An Interface to LOD Visualization, Analyticsand DiscovERy in Real-time. WWW (Companion Volume) (2016)
Milan Dojchinovski, Dimitris Kontokostas, Robert Rößling, Magnus Knuth, Sebastian Hellmann
DBpedia Links: The Crossroad of Links for the Web of Data. SEMANTiCS (Posters, Demos, SuCCESS) (2016)
Ciro Baron Neto, Dimitris Kontokostas, Sebastian Hellmann, Kay Müller, Martin Brümmer
Assessing Quantity and Quality of Links Between Link Data Datasets. LDOW@WWW (2016)
Markus Freudenberg, Martin Brümmer, Jessika Rücknagel, Robert Ulrich, Thomas Eckart, Dimitris Kontokostas, Sebastian Hellmann
The Metadata Ecosystem of DataID. MTSR (2016)
John P. McCrae, Christian Chiarcos, Francis Bond, Philipp Cimiano, Thierry Declerck, Gerard de Melo, Jorge Gracia, Sebastian Hellmann, Bettina Klimek, Steven Moran, Petya Osenova, Antonio Pareja-Lora, Jonathan Pool
The Open Linguistics Working Group: Developing the Linguistic Linked Open Data Cloud. LREC (2016)
Martin Brümmer, Milan Dojchinovski, Sebastian Hellmann
DBpedia Abstracts: A Large-Scale, Open, Multilingual NLP Training Corpus. LREC (2016)
Ciro Baron Neto, Dimitris Kontokostas, Gustavo Publio, Kay Müller, Sebastian Hellmann, Eduardo Moletta
LD-LEx: Linked Dataset Link Extractor (Short Paper). OTM Conferences (2016)
Kay Müller, Claus Stadler, Ritesh Kumar Singh, Sebastian Hellmann
Towards Sustainable Extract-Transform-Load Fusion of Company Data. MEPDaW/LDQ@ESWC (2016)
Dimitris Kontokostas, Christian Mader, Christian Dirschl, Katja Eck, Michael Leuthold, Jens Lehmann, Sebastian Hellmann
Semantically Enhanced Quality Assurance in the JURION Business Use Case. ESWC (2016)
Anastasia Dimou, Dimitris Kontokostas, Markus Freudenberg, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann
DBpedia Mappings Quality Assessment. ISWC (Posters & Demos) (2016)
Anastasia Dimou, Dimitris Kontokostas, Markus Freudenberg, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann, Rik Van de Walle
Test-driven Assessment of [R2]RML Mappings to Improve Dataset Quality. ISWC (Posters & Demos) (2015)
Ali Ismayilov, Dimitris Kontokostas, Sören Auer, Jens Lehmann, Sebastian Hellmann
Wikidata through the Eyes of DBpedia. CoRR (2015)
Jens Lehmann, Robert Isele, Max Jakob, Anja Jentzsch, Dimitris Kontokostas, Pablo N. Mendes, Sebastian Hellmann, Mohamed Morsey, Patrick van Kleef, Sören Auer, Christian Bizer
DBpedia - A large-scale, multilingual knowledge base extracted from Wikipedia. Semantic Web 6 (2) (2015)
Anastasia Dimou, Dimitris Kontokostas, Markus Freudenberg, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann, Rik Van de Walle
Assessing and Refining Mappings to RDF to Improve Dataset Quality. ISWC (2) (2015)
John P. McCrae, Steven Moran, Sebastian Hellmann, Martin Brümmer
Multilingual linked data. Semantic Web 6 (4) (2015)
Gaurav Vaidya, Dimitris Kontokostas, Magnus Knuth, Jens Lehmann, Sebastian Hellmann
DBpedia Commons: Structured Multimedia Metadata from the Wikimedia Commons. ISWC (2) (2015)
Dimitris Kontokostas, Patrick Westphal, Sören Auer, Sebastian Hellmann, Jens Lehmann, Roland Cornelissen, Amrapali Zaveri
Test-driven evaluation of linked data quality. WWW (2014)
Mohamed Ahmed Sherif, Sandro Coelho, Ricardo Usbeck, Sebastian Hellmann, Jens Lehmann, Martin Brümmer, Andreas Both
NIF4OGGD - NLP Interchange Format for Open German Governmental Data. LREC (2014)
Dimitris Kontokostas, Patrick Westphal, Sören Auer, Sebastian Hellmann, Jens Lehmann, Roland Cornelissen
Databugger: a test-driven framework for debugging the web of data. WWW (Companion Volume) (2014)
Dimitris Kontokostas, Martin Brümmer, Sebastian Hellmann, Jens Lehmann, Lazaros Ioannidis
NLP Data Cleansing Based on Linguistic Ontology Constraints. ESWC (2014)
Michael Röder, Ricardo Usbeck, Sebastian Hellmann, Daniel Gerber, Andreas Both
N³ - A Collection of Datasets for Named Entity Recognition and Disambiguation in the NLP Interchange Format. LREC (2014)
David Lewis, Rob Brennan, Leroy Finn, Dominic Jones, Alan Meehan, Declan O'Sullivan, Sebastian Hellmann, Felix Sasaki
Global Intelligent Content: Active Curation of Language Resources using Linked Data. LREC (2014)
Denis Lukovnikov, Dimitris Kontokostas, Claus Stadler, Sebastian Hellmann, Jens Lehmann
DBpedia Viewer - An Integrative Interface for DBpedia leveraging the DBpedia Service Eco System. LDOW (2014)
Martin Brümmer, Ciro Baron, Ivan Ermilov, Markus Freudenberg, Dimitris Kontokostas, Sebastian Hellmann
DataID: towards semantically rich metadata for complex datasets. SEMANTiCS (2014)
Saeedeh Shekarpour, Sören Auer, Axel-Cyrille Ngonga Ngomo, Daniel Gerber, Sebastian Hellmann, Claus Stadler
Generating SPARQL queries using templates. Web Intell. Agent Syst. 11 (3) (2013)
Daniel Gerber, Sebastian Hellmann, Lorenz Bühmann, Tommaso Soru, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo
Real-Time RDF Extraction from Unstructured Data Streams. ISWC (1) (2013)
Sebastian Hellmann, Jens Lehmann, Sören Auer, Martin Brümmer
Integrating NLP Using Linked Data. ISWC (2) (2013)
Sebastian Hellmann, Agata Filipowska, Caroline Barrière, Pablo N. Mendes, Dimitris Kontokostas
NLP & DBpedia An Upward Knowledge Acquisition Spiral. NLP-DBPEDIA@ISWC (2013)
Sebastian Hellmann, Jens Lehmann, Sören Auer, Marcus Nitzschke
NIF Combinator: Combining NLP Tool Output. EKAW (2012)
Sebastian Hellmann, Jens Lehmann, Jörg Unbehauen, Claus Stadler, Thanh Nghia Lam, Markus Strohmaier
Navigation-Induced Knowledge Engineering by Example. JIST (2012)
Dimitris Kontokostas, Charalampos Bratsas, Sören Auer, Sebastian Hellmann, Ioannis Antoniou, George Metakides
Internationalization of Linked Data: The case of the Greek DBpedia edition. J. Web Semant. 15 (2012)
Giuseppe Rizzo, Raphaël Troncy, Sebastian Hellmann, Martin Brümmer
NERD meets NIF: Lifting NLP Extraction Results to the Linked Data Cloud. LDOW (2012)
Mohamed Morsey, Jens Lehmann, Sören Auer, Claus Stadler, Sebastian Hellmann
DBpedia and the live extraction of structured data from Wikipedia. Program 46 (2) (2012)
Sebastian Hellmann, Jonas Brekle, Sören Auer
Leveraging the Crowdsourcing of Lexical Resources for Bootstrapping a Linguistic Data Cloud. JIST (2012)
Christian Chiarcos, Sebastian Hellmann, Sebastian Nordhoff, Steven Moran, Richard Littauer, Judith Eckle-Kohler, Iryna Gurevych, Silvana Hartmann, Michael Matuschek, Christian M. Meyer
The Open Linguistics Working Group. LREC (2012)
Didier Cherix, Sebastian Hellmann, Jens Lehmann
Improving the Performance of the DL-Learner SPARQL Component for Semantic Web Applications. JIST (2012)
Sebastian Hellmann, Jens Lehmann, Sören Auer
Linked-Data Aware URI Schemes for Referencing Text Fragments. EKAW (2012)
Alex Klebeck, Sebastian Hellmann, Christian Ehrlich, Sören Auer
OntosFeeder - A Versatile Semantic Context Provider for Web Content Authoring. ESWC (2) (2011)
Christian Chiarcos, Sebastian Hellmann, Sebastian Nordhoff
Towards a Linguistic Linked Open Data cloud: The Open Linguistics Working Group. Trait. Autom. des Langues 52 (3) (2011)
Saeedeh Shekarpour, Sören Auer, Axel-Cyrille Ngonga Ngomo, Daniel Gerber, Sebastian Hellmann, Claus Stadler
Keyword-Driven SPARQL Query Generation Leveraging Background Knowledge. Web Intelligence (2011)
Christian Chiarcos, Sebastian Hellmann
Working Group for Open Data in Linguistics: Status Quo and Perspectives. OKCon (2011)
Sebastian Hellmann, Jörg Unbehauen, Jens Lehmann
HANNE - A Holistic Application for Navigational Knowledge Engineering. ISWC (Posters & Demos) (2010)
Claus Stadler, Michael Martin, Jens Lehmann, Sebastian Hellmann
Update Strategies for DBpedia Live. SFSW (2010)
Sebastian Hellmann
The Semantic Gap of Formalized Meaning. ESWC (2) (2010)
Sören Auer, Sebastian Dietzold, Jens Lehmann, Sebastian Hellmann, David Aumueller
Triplify: light-weight linked data publication from relational databases. WWW (2009)
Matthias Quasthoff, Sebastian Hellmann, Konrad Hoeffner
Standardized Multilingual Language Resourcesfor the Web of Data. I-SEMANTICS (2009)
Christian Bizer, Jens Lehmann, Georgi Kobilarov, Sören Auer, Christian Becker, Richard Cyganiak, Sebastian Hellmann
DBpedia - A crystallization point for the Web of Data. J. Web Semant. 7 (3) (2009)
Sebastian Hellmann, Jens Lehmann, Sören Auer
Learning of OWL Class Descriptions on Very Large Knowledge Bases. Int. J. Semantic Web Inf. Syst. 5 (2) (2009)
Sören Auer, Jens Lehmann, Sebastian Hellmann
LinkedGeoData: Adding a Spatial Dimension to the Web of Data. ISWC (2009)
Sebastian Hellmann, Claus Stadler, Jens Lehmann, Sören Auer
DBpedia Live Extraction. OTM Conferences (2) (2009)
Philipp Heim, Sebastian Hellmann, Jens Lehmann, Steffen Lohmann, Timo Stegemann
RelFinder: Revealing Relationships in RDF Knowledge Bases. SAMT (2009)
Sebastian Hellmann, Jens Lehmann, Sören Auer
Learning of OWL Class Descriptions on Very Large Knowledge Bases. ISWC (Posters & Demos) (2008)