Sebastian Hellmann

96 papers A* 2B 11C 2Misc 10Journal 14Unranked 41

Year	Rank	Type	Title / Venue / Authors
2023	—	`conf`	Studying Linked Data Accessibility Healthiness for the Long Tail of the Data Web. QuWeDa/MEPDaW@ISWC Johannes Frey, Marvin Hofer, Sebastian Hellmann
2022	Misc	`conf`	Reproducibility Crisis in the LOD Cloud? Studying the Impact of Ontology Accessibility and Archiving as a Counter Measure. ISWC Johannes Frey, Denis Streitmatter, Natanael Arndt, Sebastian Hellmann
2021	—	`conf`	DACOC3 - DBpedia Archivo Challenging Ontology Consistency Check Collection. SemREC@ISWC Johannes Frey, Denis Streitmatter, Sebastian Hellmann
2021	—	`conf`	FAIR Linked Data - Towards a Linked Data Backbone for Users and Machines. WWW (Companion Volume) Johannes Frey, Sebastian Hellmann
2021	J	`jnl`	MMoOn Core - the Multilingual Morpheme Ontology. Semantic Web Bettina Klimek, Markus Ackermann, Martin Brümmer, Sebastian Hellmann
2021	—	`conf`	Managing and Compiling Data Dependencies for Semantic Applications Using Databus Client. MTSR Johannes Frey, Fabian Götz, Marvin Hofer, Sebastian Hellmann
2021	—	`conf`	Towards a Systematic Approach to Sync Factual Data across Wikipedia, Wikidata and External Data Sources. Qurator Sebastian Hellmann, Johannes Frey, Marvin Hofer, Milan Dojchinovski, Krzysztof Wecel, Wlodzimierz Lewoniewski
2020	Misc	`conf`	DBpedia Archivo: A Web-Scale Interface for Ontology Archiving Under Consumer-Oriented Aspects. SEMANTiCS Johannes Frey, Denis Streitmatter, Fabian Götz, Sebastian Hellmann, Natanael Arndt
2020	Misc	`conf`	The New DBpedia Release Cycle: Increasing Agility and Efficiency in Knowledge Extraction Workflows. SEMANTiCS Marvin Hofer, Sebastian Hellmann, Milan Dojchinovski, Johannes Frey
2019	—	`conf`	DBpedia FlexiFusion the Best of Wikipedia > Wikidata > Your Data. ISWC (2) Johannes Frey, Marvin Hofer, Daniel Obraczka, Jens Lehmann, Sebastian Hellmann
2019	J	`jnl`	Evaluation of metadata representations in RDF stores. Semantic Web Johannes Frey, Kay Müller, Sebastian Hellmann, Erhard Rahm, Maria-Esther Vidal
2018	J	`jnl`	DBpedia NIF: Open, Large-Scale and Multilingual Knowledge Extraction Corpus. CoRR Milan Dojchinovski, Julio Hernandez, Markus Ackermann, Amit Kirschenbaum, Sebastian Hellmann
2018	J	`jnl`	Editorial: Special issue on quality management of Semantic Web assets (data, services and systems). Semantic Web Amrapali Zaveri, Dimitris Kontokostas, Sebastian Hellmann, Jürgen Umbrich
2018	—	`conf`	Inference of Latent Shape Expressions Associated to DBpedia Ontology. ISWC (P&D/Industry/BlueSky) Daniel Fernández-Álvarez, Herminio García-González, Johannes Frey, Sebastian Hellmann, José Emilio Labra Gayo
2018	Misc	`conf`	Predicting incorrect mappings: a data-driven approach applied to DBpedia. SAC Mariano Rico, Nandana Mihindukulasooriya, Dimitris Kontokostas, Heiko Paulheim, Sebastian Hellmann, Asunción Gómez-Pérez
2018	—	`ed.`	Proceedings of the Posters and Demos Track of the 13th International Conference on Semantic Systems - SEMANTiCS2017 co-located with the 13th International Conference on Semantic Systems (SEMANTiCS 2017), Amsterdam, The Netherlands, September 11-14, 2017. SEMANTiCS (Posters & Demos) Javier D. Fernández, Sebastian Hellmann
2018	J	`jnl`	Wikidata through the eyes of DBpedia. Semantic Web Ali Ismayilov, Dimitris Kontokostas, Sören Auer, Jens Lehmann, Sebastian Hellmann
2017	—	`conf`	A Vocabulary-Independent Generation Framework for DBpedia and Beyond. ISWC (Posters, Demos & Industry Tracks) Ben De Meester, Anastasia Dimou, Wouter Maroy, Dimitris Kontokostas, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann
2017	Misc	`conf`	IDOL: Comprehensive & Complete LOD Insights. SEMANTiCS Ciro Baron Neto, Dimitris Kontokostas, Amit Kirschenbaum, Gustavo Correa Publio, Diego Esteves, Sebastian Hellmann
2017	—	`conf`	Investigating Explorability of DBpedia and its Ontology. SEMANTiCS (Posters & Demos) Jan Forberg, Gustavo Publio, Sebastian Hellmann
2017	—	`conf`	Investigating the Morphological Complexity of German Named Entities: The Case of the GermEval NER Challenge. GSCL Bettina Klimek, Markus Ackermann, Amit Kirschenbaum, Sebastian Hellmann
2017	—	`ed.`	Knowledge Graphs and Language Technology - ISWC 2016 International Workshops: KEKI and NLP&DBpedia, Kobe, Japan, October 17-21, 2016, Revised Selected Papers KEKI/NLP&DBpedia@ISWC Marieke van Erp, Sebastian Hellmann, John P. McCrae, Christian Chiarcos, Key-Sun Choi, Jorge Gracia, Yoshihiko Hayashi, Seiji Koide, Pablo N. Mendes, Heiko Paulheim, Hideaki Takeda
2017	C	`ed.`	Language, Data, and Knowledge - First International Conference, LDK 2017, Galway, Ireland, June 19-20, 2017, Proceedings LDK Jorge Gracia, Francis Bond, John P. McCrae, Paul Buitelaar, Christian Chiarcos, Sebastian Hellmann
2017	—	`conf`	MaSQue: An Approach for Flexible Metadata Storage and Querying in RDF. SEMANTiCS (Posters & Demos) Johannes Frey, Sebastian Hellmann
2017	C	`conf`	OnLiT: An Ontology for Linguistic Terminology. LDK Bettina Klimek, John P. McCrae, Christian Lehmann, Christian Chiarcos, Sebastian Hellmann
2017	—	`conf`	Sustainable Linked Data Generation: The Case of DBpedia. ISWC (2) Wouter Maroy, Anastasia Dimou, Dimitris Kontokostas, Ben De Meester, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann
2016	—	`conf`	Assessing Quantity and Quality of Links Between Link Data Datasets. LDOW@WWW Ciro Baron Neto, Dimitris Kontokostas, Sebastian Hellmann, Kay Müller, Martin Brümmer
2016	B	`conf`	DBpedia Abstracts: A Large-Scale, Open, Multilingual NLP Training Corpus. LREC Martin Brümmer, Milan Dojchinovski, Sebastian Hellmann
2016	—	`conf`	DBpedia Links: The Crossroad of Links for the Web of Data. SEMANTiCS (Posters, Demos, SuCCESS) Milan Dojchinovski, Dimitris Kontokostas, Robert Rößling, Magnus Knuth, Sebastian Hellmann
2016	—	`conf`	DBpedia Mappings Quality Assessment. ISWC (Posters & Demos) Anastasia Dimou, Dimitris Kontokostas, Markus Freudenberg, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann
2016	B	`conf`	FREME: Multilingual Semantic Enrichment with Linked Data and Language Technologies. LREC Milan Dojchinovski, Felix Sasaki, Tatjana Gornostaja, Sebastian Hellmann, Erik Mannens, Frank Salliau, Michele Osella, Phil Ritchie, Giannis Stoitsis, Kevin Koidl, Markus Ackermann, Nilesh Chakraborty
2016	—	`conf`	LD-LEx: Linked Dataset Link Extractor (Short Paper). OTM Conferences Ciro Baron Neto, Dimitris Kontokostas, Gustavo Publio, Kay Müller, Sebastian Hellmann, Eduardo Moletta
2016	—	`conf`	LODVader: An Interface to LOD Visualization, Analyticsand DiscovERy in Real-time. WWW (Companion Volume) Ciro Baron Neto, Kay Müller, Martin Brümmer, Dimitris Kontokostas, Sebastian Hellmann
2016	Misc	`ed.`	Proceedings of the 12th International Conference on Semantic Systems, SEMANTiCS 2016, Leipzig, Germany, September 12-15, 2016 SEMANTiCS Anna Fensel, Amrapali Zaveri, Sebastian Hellmann, Tassilo Pellegrini
2016	B	`conf`	Semantically Enhanced Quality Assurance in the JURION Business Use Case. ESWC Dimitris Kontokostas, Christian Mader, Christian Dirschl, Katja Eck, Michael Leuthold, Jens Lehmann, Sebastian Hellmann
2016	—	`conf`	The Metadata Ecosystem of DataID. MTSR Markus Freudenberg, Martin Brümmer, Jessika Rücknagel, Robert Ulrich, Thomas Eckart, Dimitris Kontokostas, Sebastian Hellmann
2016	B	`conf`	The Open Linguistics Working Group: Developing the Linguistic Linked Open Data Cloud. LREC 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
2016	—	`conf`	Towards Sustainable Extract-Transform-Load Fusion of Company Data. MEPDaW/LDQ@ESWC Kay Müller, Claus Stadler, Ritesh Kumar Singh, Sebastian Hellmann
2015	—	`conf`	Assessing and Refining Mappings to RDF to Improve Dataset Quality. ISWC (2) Anastasia Dimou, Dimitris Kontokostas, Markus Freudenberg, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann, Rik Van de Walle
2015	J	`jnl`	DBpedia - A large-scale, multilingual knowledge base extracted from Wikipedia. Semantic Web Jens Lehmann, Robert Isele, Max Jakob, Anja Jentzsch, Dimitris Kontokostas, Pablo N. Mendes, Sebastian Hellmann, Mohamed Morsey, Patrick van Kleef, Sören Auer, Christian Bizer
2015	—	`conf`	DBpedia Commons: Structured Multimedia Metadata from the Wikimedia Commons. ISWC (2) Gaurav Vaidya, Dimitris Kontokostas, Magnus Knuth, Jens Lehmann, Sebastian Hellmann
2015	—	`—`	Integrating Natural Language Processing (NLP) and Language Resources Using Linked Data Sebastian Hellmann
2015	J	`jnl`	Multilingual linked data. Semantic Web John P. McCrae, Steven Moran, Sebastian Hellmann, Martin Brümmer
2015	Misc	`ed.`	Proceedings of the 11th International Conference on Semantic Systems, SEMANTiCS 2015, Vienna, Austria, September 15-17, 2015 SEMANTiCS Axel Polleres, Tassilo Pellegrini, Sebastian Hellmann, Josiane Xavier Parreira
2015	—	`conf`	Test-driven Assessment of [R2]RML Mappings to Improve Dataset Quality. ISWC (Posters & Demos) Anastasia Dimou, Dimitris Kontokostas, Markus Freudenberg, Ruben Verborgh, Jens Lehmann, Erik Mannens, Sebastian Hellmann, Rik Van de Walle
2015	J	`jnl`	Wikidata through the Eyes of DBpedia. CoRR Ali Ismayilov, Dimitris Kontokostas, Sören Auer, Jens Lehmann, Sebastian Hellmann
2014	—	`conf`	DBpedia Viewer - An Integrative Interface for DBpedia leveraging the DBpedia Service Eco System. LDOW Denis Lukovnikov, Dimitris Kontokostas, Claus Stadler, Sebastian Hellmann, Jens Lehmann
2014	Misc	`conf`	DataID: towards semantically rich metadata for complex datasets. SEMANTiCS Martin Brümmer, Ciro Baron, Ivan Ermilov, Markus Freudenberg, Dimitris Kontokostas, Sebastian Hellmann
2014	—	`conf`	Databugger: a test-driven framework for debugging the web of data. WWW (Companion Volume) Dimitris Kontokostas, Patrick Westphal, Sören Auer, Sebastian Hellmann, Jens Lehmann, Roland Cornelissen
2014	B	`conf`	Global Intelligent Content: Active Curation of Language Resources using Linked Data. LREC David Lewis, Rob Brennan, Leroy Finn, Dominic Jones, Alan Meehan, Declan O'Sullivan, Sebastian Hellmann, Felix Sasaki
2014	—	`ch.`	Knowledge Base Creation, Enrichment and Repair. Linked Open Data Sebastian Hellmann, Volha Bryl, Lorenz Bühmann, Milan Dojchinovski, Dimitris Kontokostas, Jens Lehmann, Uros Milosevic, Petar Petrovski, Vojtech Svátek, Mladen Stanojevic, Ondrej Zamazal
2014	B	`conf`	NIF4OGGD - NLP Interchange Format for Open German Governmental Data. LREC Mohamed Ahmed Sherif, Sandro Athaíde Coelho, Ricardo Usbeck, Sebastian Hellmann, Jens Lehmann, Martin Brümmer, Andreas Both
2014	B	`conf`	NLP Data Cleansing Based on Linguistic Ontology Constraints. ESWC Dimitris Kontokostas, Martin Brümmer, Sebastian Hellmann, Jens Lehmann, Lazaros Ioannidis
2014	B	`conf`	N³ - A Collection of Datasets for Named Entity Recognition and Disambiguation in the NLP Interchange Format. LREC Michael Röder, Ricardo Usbeck, Sebastian Hellmann, Daniel Gerber, Andreas Both
2014	Misc	`ed.`	Proceedings of the 10th International Conference on Semantic Systems, SEMANTiCS 2014, Leipzig, Germany, September 4-5, 2014 SEMANTiCS Harald Sack, Agata Filipowska, Jens Lehmann, Sebastian Hellmann
2014	—	`ed.`	Proceedings of the Posters and Demos Track of 10th International Conference on Semantic Systems - SEMANTiCS2014, Leipzig, Germany, September 4-5, 2014. SEMANTiCS (Posters & Demos) Harald Sack, Agata Filipowska, Jens Lehmann, Sebastian Hellmann
2014	A*	`conf`	Test-driven evaluation of linked data quality. WWW Dimitris Kontokostas, Patrick Westphal, Sören Auer, Sebastian Hellmann, Jens Lehmann, Roland Cornelissen, Amrapali Zaveri
2013	J	`jnl`	Generating SPARQL queries using templates. Web Intell. Agent Syst. Saeedeh Shekarpour, Sören Auer, Axel-Cyrille Ngonga Ngomo, Daniel Gerber, Sebastian Hellmann, Claus Stadler
2013	—	`conf`	Integrating NLP Using Linked Data. ISWC (2) Sebastian Hellmann, Jens Lehmann, Sören Auer, Martin Brümmer
2013	—	`conf`	NLP & DBpedia An Upward Knowledge Acquisition Spiral. NLP-DBPEDIA@ISWC Sebastian Hellmann, Agata Filipowska, Caroline Barrière, Pablo N. Mendes, Dimitris Kontokostas
2013	—	`ed.`	Proceedings of the NLP & DBpedia workshop co-located with the 12th International Semantic Web Conference (ISWC 2013), Sydney, Australia, October 22, 2013. NLP-DBPEDIA@ISWC Sebastian Hellmann, Agata Filipowska, Caroline Barrière, Pablo N. Mendes, Dimitris Kontokostas
2013	—	`conf`	Real-Time RDF Extraction from Unstructured Data Streams. ISWC (1) Daniel Gerber, Sebastian Hellmann, Lorenz Bühmann, Tommaso Soru, Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo
2013	—	`ch.`	TowardsWeb-Scale Collaborative Knowledge Extraction. The People's Web Meets NLP Sebastian Hellmann, Sören Auer
2012	J	`jnl`	DBpedia and the live extraction of structured data from Wikipedia. Program Mohamed Morsey, Jens Lehmann, Sören Auer, Claus Stadler, Sebastian Hellmann
2012	—	`conf`	Improving the Performance of the DL-Learner SPARQL Component for Semantic Web Applications. JIST Didier Cherix, Sebastian Hellmann, Jens Lehmann
2012	J	`jnl`	Internationalization of Linked Data: The case of the Greek DBpedia edition. J. Web Semant. Dimitris Kontokostas, Charalampos Bratsas, Sören Auer, Sebastian Hellmann, Ioannis Antoniou, George Metakides
2012	—	`ch.`	Introduction and Overview. Linked Data in Linguistics Christian Chiarcos, Sebastian Hellmann, Sebastian Nordhoff
2012	—	`ch.`	Knowledge Extraction from Structured Sources. SeCO Book Jörg Unbehauen, Sebastian Hellmann, Sören Auer, Claus Stadler
2012	—	`conf`	Leveraging the Crowdsourcing of Lexical Resources for Bootstrapping a Linguistic Data Cloud. JIST Sebastian Hellmann, Jonas Brekle, Sören Auer
2012	—	`book`	Linked Data in Linguistics - Representing and Connecting Language Data and Language Metadata. Christian Chiarcos, Sebastian Nordhoff, Sebastian Hellmann
2012	B	`conf`	Linked-Data Aware URI Schemes for Referencing Text Fragments. EKAW Sebastian Hellmann, Jens Lehmann, Sören Auer
2012	—	`ch.`	Linking Linguistic Resources: Examples from the Open Linguistics Working Group. Linked Data in Linguistics Christian Chiarcos, Sebastian Hellmann, Sebastian Nordhoff
2012	—	`conf`	NERD meets NIF: Lifting NLP Extraction Results to the Linked Data Cloud. LDOW Giuseppe Rizzo, Raphaël Troncy, Sebastian Hellmann, Martin Brümmer
2012	B	`conf`	NIF Combinator: Combining NLP Tool Output. EKAW Sebastian Hellmann, Jens Lehmann, Sören Auer, Marcus Nitzschke
2012	—	`conf`	Navigation-Induced Knowledge Engineering by Example. JIST Sebastian Hellmann, Jens Lehmann, Jörg Unbehauen, Claus Stadler, Thanh Nghia Lam, Markus Strohmaier
2012	—	`ed.`	Proceedings of the Web of Linked Entities Workshop, Boston, USA, November 11, 2012 WoLE@ISWC Giuseppe Rizzo, Pablo N. Mendes, Eric Charton, Sebastian Hellmann, Aditya Kalyanpur
2012	—	`ch.`	The German DBpedia: A Sense Repository for Linking Entities. Linked Data in Linguistics Sebastian Hellmann, Claus Stadler, Jens Lehmann
2012	—	`ch.`	The Open Linguistics Working Group of the Open Knowledge Foundation. Linked Data in Linguistics Christian Chiarcos, Sebastian Hellmann, Sebastian Nordhoff
2012	B	`conf`	The Open Linguistics Working Group. LREC Christian Chiarcos, Sebastian Hellmann, Sebastian Nordhoff, Steven Moran, Richard Littauer, Judith Eckle-Kohler, Iryna Gurevych, Silvana Hartmann, Michael Matuschek, Christian M. Meyer
2011	—	`conf`	Keyword-Driven SPARQL Query Generation Leveraging Background Knowledge. Web Intelligence Saeedeh Shekarpour, Sören Auer, Axel-Cyrille Ngonga Ngomo, Daniel Gerber, Sebastian Hellmann, Claus Stadler
2011	—	`ch.`	Learning of OWL Class Expressions on Very Large Knowledge Bases and its Applications. Semantic Services, Interoperability and Web Applications Sebastian Hellmann, Jens Lehmann, Sören Auer
2011	—	`conf`	OntosFeeder - A Versatile Semantic Context Provider for Web Content Authoring. ESWC (2) Alex Klebeck, Sebastian Hellmann, Christian Ehrlich, Sören Auer
2011	—	`ed.`	Proceedings of the 6th Open Knowledge Conference, OKCon 2011, Berlin, Germany, June 30 & July 1, 2011. OKCon Sebastian Hellmann, Philipp Frischmuth, Sören Auer, Daniel Dietrich
2011	J	`jnl`	Towards a Linguistic Linked Open Data cloud: The Open Linguistics Working Group. Trait. Autom. des Langues Christian Chiarcos, Sebastian Hellmann, Sebastian Nordhoff
2011	—	`conf`	Working Group for Open Data in Linguistics: Status Quo and Perspectives. OKCon Christian Chiarcos, Sebastian Hellmann
2010	—	`conf`	HANNE - A Holistic Application for Navigational Knowledge Engineering. ISWC (Posters & Demos) Sebastian Hellmann, Jörg Unbehauen, Jens Lehmann
2010	—	`conf`	The Semantic Gap of Formalized Meaning. ESWC (2) Sebastian Hellmann
2010	—	`conf`	Update Strategies for DBpedia Live. SFSW Claus Stadler, Michael Martin, Jens Lehmann, Sebastian Hellmann
2009	J	`jnl`	DBpedia - A crystallization point for the Web of Data. J. Web Semant. Christian Bizer, Jens Lehmann, Georgi Kobilarov, Sören Auer, Christian Becker, Richard Cyganiak, Sebastian Hellmann
2009	—	`conf`	DBpedia Live Extraction. OTM Conferences (2) Sebastian Hellmann, Claus Stadler, Jens Lehmann, Sören Auer
2009	J	`jnl`	Learning of OWL Class Descriptions on Very Large Knowledge Bases. Int. J. Semantic Web Inf. Syst. Sebastian Hellmann, Jens Lehmann, Sören Auer
2009	Misc	`conf`	LinkedGeoData: Adding a Spatial Dimension to the Web of Data. ISWC Sören Auer, Jens Lehmann, Sebastian Hellmann
2009	—	`conf`	RelFinder: Revealing Relationships in RDF Knowledge Bases. SAMT Philipp Heim, Sebastian Hellmann, Jens Lehmann, Steffen Lohmann, Timo Stegemann
2009	—	`conf`	Standardized Multilingual Language Resourcesfor the Web of Data. I-SEMANTICS Matthias Quasthoff, Sebastian Hellmann, Konrad Hoeffner
2009	A*	`conf`	Triplify: light-weight linked data publication from relational databases. WWW Sören Auer, Sebastian Dietzold, Jens Lehmann, Sebastian Hellmann, David Aumueller
2008	—	`conf`	Learning of OWL Class Descriptions on Very Large Knowledge Bases. ISWC (Posters & Demos) Sebastian Hellmann, Jens Lehmann, Sören Auer