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ORCIDJürgen Umbrich
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- affiliation: Vienna University of Economics and Business, Austria
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2020 – today
- 2023
[j13]Umutcan Simsek
, Elias Kärle, Kevin Angele, Elwin Huaman, Juliette Opdenplatz, Dennis Sommer, Jürgen Umbrich, Dieter Fensel:
A Knowledge Graph Perspective on Knowledge Engineering. SN Comput. Sci. 4(1): 16 (2023)- 2021
- [c46]Umutcan Simsek, Kevin Angele, Elias Kärle, Juliette Opdenplatz, Dennis Sommer, Jürgen Umbrich, Dieter Fensel:
Knowledge Graph Lifecycle: Building and Maintaining Knowledge Graphs. KGCW@ESWC 2021 - 2020
- [b1]Dieter Fensel, Umutcan Simsek, Kevin Angele, Elwin Huaman, Elias Kärle, Oleksandra Panasiuk, Ioan Toma, Jürgen Umbrich, Alexander Wahler:
Knowledge Graphs - Methodology, Tools and Selected Use Cases. Springer 2020, ISBN 978-3-030-37438-9, pp. 1-147 - [c45]Umutcan Simsek, Jürgen Umbrich, Dieter Fensel:
Towards a Knowledge Graph Lifecycle: A pipeline for the population of a commercial Knowledge Graph. Qurator 2020
2010 – 2019
- 2019
- [j12]Javier D. Fernández, Jürgen Umbrich, Axel Polleres, Magnus Knuth:
Evaluating query and storage strategies for RDF archives. Semantic Web 10(2): 247-291 (2019) - [j11]Jeremy Debattista, Javier D. Fernández, Maria-Esther Vidal, Jürgen Umbrich:
Managing the evolution and preservation of the data web. J. Web Semant. 54: 1-3 (2019) - 2018
- [j10]Sylvain Kubler, Jérémy Robert, Sebastian Neumaier, Jürgen Umbrich, Yves Le Traon:
Comparison of metadata quality in open data portals using the Analytic Hierarchy Process. Gov. Inf. Q. 35(1): 13-29 (2018) - [j9]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): 1-2 (2018) - 2017
- [j8]Pierre-Yves Vandenbussche, Jürgen Umbrich, Luca Matteis, Aidan Hogan, Carlos Buil-Aranda:
SPARQLES: Monitoring public SPARQL endpoints. Semantic Web 8(6): 1049-1065 (2017) - [c44]Martin Beno, Kathrin Figl, Jürgen Umbrich, Axel Polleres:
Open Data Hopes and Fears: Determining the Barriers of Open Data. CeDEM 2017: 69-81 - [c43]Vadim Savenkov, Qaiser Mehmood, Jürgen Umbrich, Axel Polleres:
Counting to k or how SPARQL1.1 Property Paths Can Be Extended to Top-k Path Queries. SEMANTiCS 2017: 97-103 - [c42]Sebastian Neumaier, Axel Polleres, Simon Steyskal, Jürgen Umbrich:
Data Integration for Open Data on the Web. RW 2017: 1-28 - [c41]Sebastian Neumaier, Jürgen Umbrich, Axel Polleres:
Lifting Data Portals to the Web of Data. LDOW@WWW 2017 - [e2]Jeremy Debattista, Jürgen Umbrich, Javier D. Fernández, Anisa Rula, Amrapali Zaveri, Anastasia Dimou, Wouter Beek:
Joint proceedings of the 3rd Workshop on Managing the Evolution and Preservation of the Data Web (MEPDaW 2017) and the 4th Workshop on Linked Data Quality (LDQ 2017) co-located with 14th European Semantic Web Conference (ESWC 2017), Portorož, Slovenia, May 28th-29th, 2017. CEUR Workshop Proceedings 1824, CEUR-WS.org 2017 [contents] - 2016
- [j7]Sebastian Neumaier, Jürgen Umbrich, Axel Polleres:
Automated Quality Assessment of Metadata across Open Data Portals. ACM J. Data Inf. Qual. 8(1): 2:1-2:29 (2016) - [j6]Jeremy Debattista, Javier D. Fernández, Jürgen Umbrich:
Report on the 2nd Workshop on Managing the Evolution and Preservation of the Data Web (MEPDaW 2016). SIGIR Forum 50(2): 82-88 (2016) - [c40]Sylvain Kubler, Jérémy Robert, Yves Le Traon, Jürgen Umbrich, Sebastian Neumaier:
Open Data Portal Quality Comparison using AHP. DG.O 2016: 397-407 - [c39]Javier D. Fernández, Jürgen Umbrich, Axel Polleres, Magnus Knuth:
Evaluating Query and Storage Strategies for RDF Archives. SEMANTiCS 2016: 41-48 - [c38]Sebastian Neumaier, Jürgen Umbrich:
Measures for Assessing the Data Freshness in Open Data Portals. OBD 2016: 17-24 - [c37]Johann Mitlöhner, Sebastian Neumaier, Jürgen Umbrich, Axel Polleres:
Characteristics of Open Data CSV Files. OBD 2016: 72-79 - [c36]Sebastian Neumaier, Jürgen Umbrich, Josiane Xavier Parreira, Axel Polleres:
Multi-level Semantic Labelling of Numerical Values. ISWC (1) 2016: 428-445 - [e1]Jeremy Debattista, Jürgen Umbrich, Javier D. Fernández, Anisa Rula, Amrapali Zaveri, Magnus Knuth, Dimitris Kontokostas:
Joint Proceedings of the 2nd Workshop on Managing the Evolution and Preservation of the Data Web (MEPDaW 2016) and the 3rd Workshop on Linked Data Quality (LDQ 2016) co-located with 13th European Semantic Web Conference (ESWC 2016), Heraklion, Crete, Greece, May 30th, 2016. CEUR Workshop Proceedings 1585, CEUR-WS.org 2016 [contents] - 2015
- [j5]Jürgen Umbrich, Aidan Hogan, Axel Polleres, Stefan Decker:
Link traversal querying for a diverse Web of Data. Semantic Web 6(6): 585-624 (2015) - [c35]Javier D. Fernández, Axel Polleres, Jürgen Umbrich:
Towards Efficient Archiving of Dynamic Linked Open Data. DIACRON@ESWC 2015: 34-49 - [c34]Jürgen Umbrich, Nina Mrzelj, Axel Polleres:
Towards capturing and preserving changes on the Web of Data. DIACRON@ESWC 2015: 50-65 - [c33]Jürgen Umbrich, Sebastian Neumaier, Axel Polleres:
Quality Assessment and Evolution of Open Data Portals. FiCloud 2015: 404-411 - [c32]Javier D. Fernández, Patrik Schneider, Jürgen Umbrich:
The DBpedia wayback machine. SEMANTiCS 2015: 192-195 - 2014
- [c31]Soheila Dehghanzadeh, Josiane Xavier Parreira, Marcel Karnstedt, Jürgen Umbrich, Manfred Hauswirth, Stefan Decker:
Optimizing SPARQL Query Processing on Dynamic and Static Data Based on Query Time/Freshness Requirements Using Materialization. JIST 2014: 257-270 - [c30]Carlos Buil-Aranda, Axel Polleres, Jürgen Umbrich:
Strategies for Executing Federated Queries in SPARQL1.1. ISWC (2) 2014: 390-405 - [c29]Stefan Hagedorn, Katja Hose, Kai-Uwe Sattler, Jürgen Umbrich:
Resource Planning for SPARQL Query Execution on Data Sharing Platforms. COLD 2014 - [p2]Jürgen Umbrich, Marcel Karnstedt, Axel Polleres, Kai-Uwe Sattler:
Index-Based Source Selection and Optimization. Linked Data Management 2014: 311-337 - [i3]Pierre-Yves Vandenbussche, Aidan Hogan, Jürgen Umbrich, Carlos Buil-Aranda:
SPARQL: A Gateway to Open Data on the Web? ERCIM News 2014(96) (2014) - 2013
- [c28]Tobias Käfer, Ahmed Abdelrahman, Jürgen Umbrich, Patrick O'Byrne, Aidan Hogan:
Observing Linked Data Dynamics. ESWC 2013: 213-227 - [c27]Tobias Käfer, Ahmed Abdelrahman, Jürgen Umbrich, Patrick O'Byrne, Aidan Hogan:
Exploring the Dynamics of Linked Data. ESWC (Satellite Events) 2013: 302-303 - [c26]Jürgen Umbrich, Claudio Gutierrez, Aidan Hogan, Marcel Karnstedt, Josiane Xavier Parreira:
Eight Fallacies when querying the Web of Data. ICDE Workshops 2013: 21-22 - [c25]Nur Aini Rakhmawati, Jürgen Umbrich, Marcel Karnstedt, Ali Hasnain, Michael Hausenblas:
A Comparison of Federation over SPARQL Endpoints Frameworks. KESW 2013: 132-146 - [c24]Axel Polleres, Aidan Hogan, Renaud Delbru, Jürgen Umbrich:
RDFS and OWL Reasoning for Linked Data. Reasoning Web 2013: 91-149 - [c23]Pierre-Yves Vandenbussche, Carlos Buil-Aranda, Aidan Hogan, Jürgen Umbrich:
Monitoring SPARQL Endpoint Status. ISWC (Posters & Demos) 2013: 81-84 - [c22]Carlos Buil-Aranda, Aidan Hogan, Jürgen Umbrich, Pierre-Yves Vandenbussche:
SPARQL Web-Querying Infrastructure: Ready for Action? ISWC (2) 2013: 277-293 - [c21]Jürgen Umbrich, Claudio Gutierrez, Aidan Hogan, Marcel Karnstedt, Josiane Xavier Parreira:
The ACE theorem for querying the web of data. WWW (Companion Volume) 2013: 133-134 - [i2]Nur Aini Rakhmawati, Jürgen Umbrich, Marcel Karnstedt, Ali Hasnain, Michael Hausenblas:
Querying over Federated SPARQL Endpoints - A State of the Art Survey. CoRR abs/1306.1723 (2013) - 2012
- [j4]Aidan Hogan, Antoine Zimmermann, Jürgen Umbrich, Axel Polleres, Stefan Decker:
Scalable and distributed methods for entity matching, consolidation and disambiguation over linked data corpora. J. Web Semant. 10: 76-110 (2012) - [j3]Aidan Hogan, Jürgen Umbrich, Andreas Harth, Richard Cyganiak, Axel Polleres, Stefan Decker:
An empirical survey of Linked Data conformance. J. Web Semant. 14: 14-44 (2012) - [c20]Jürgen Umbrich, Marcel Karnstedt, Aidan Hogan, Josiane Xavier Parreira:
Freshening up while Staying Fast: Towards Hybrid SPARQL Queries. EKAW 2012: 164-174 - [c19]Jürgen Umbrich, Marcel Karnstedt, Josiane Xavier Parreira, Axel Polleres, Manfred Hauswirth:
Linked Data and Live Querying for Enabling Support Platforms for Web Dataspaces. ICDE Workshops 2012: 23-28 - [c18]Jürgen Umbrich, Aidan Hogan, Axel Polleres, Stefan Decker:
Improving the Recall of Live Linked Data Querying through Reasoning. RR 2012: 188-204 - [c17]Jürgen Umbrich, Marcel Karnstedt, Aidan Hogan, Josiane Xavier Parreira:
Hybrid SPARQL Queries: Fresh vs. Fast Results. ISWC (1) 2012: 608-624 - [c16]Tobias Käfer, Jürgen Umbrich, Aidan Hogan, Axel Polleres:
DyLDO: Towards a Dynamic Linked Data Observatory. LDOW 2012 - [p1]Andreas Harth, Aidan Hogan, Jürgen Umbrich, Sheila Kinsella, Axel Polleres, Stefan Decker:
Searching and Browsing Linked Data with SWSE. Semantic Search over the Web 2012: 361-414 - 2011
- [j2]Aidan Hogan, Andreas Harth, Jürgen Umbrich, Sheila Kinsella, Axel Polleres, Stefan Decker:
Searching and browsing Linked Data with SWSE: The Semantic Web Search Engine. J. Web Semant. 9(4): 365-401 (2011) - [j1]Jürgen Umbrich, Katja Hose, Marcel Karnstedt, Andreas Harth, Axel Polleres:
Comparing data summaries for processing live queries over Linked Data. World Wide Web 14(5-6): 495-544 (2011) - [c15]Yuan Tian, Jürgen Umbrich, Yong Yu:
Enhancing Source Selection for Live Queries over Linked Data via Query Log Mining. JIST 2011: 176-191 - [i1]Jürgen Umbrich, Aidan Hogan, Axel Polleres:
Improving the recall of decentralised linked data querying through implicit knowledge. CoRR abs/1109.0181 (2011) - 2010
- [c14]Jürgen Umbrich, Marcel Karnstedt, Sebastian Land:
Towards Understanding the Changing Web: Mining the Dynamics of Linked-Data Sources and Entities. LWA 2010: 159-162 - [c13]Robert Isele, Jürgen Umbrich, Christian Bizer, Andreas Harth:
LDspider: An Open-source Crawling Framework for the Web of Linked Data. ISWC (Posters & Demos) 2010 - [c12]Jürgen Umbrich, Boris Villazón-Terrazas, Michael Hausenblas:
Dataset Dynamics Compendium: A Comparative Study. COLD 2010 - [c11]Armin Haller, Jürgen Umbrich, Michael Hausenblas:
RaUL: RDFa User Interface Language - A Data Processing Model for Web Applications. WISE 2010: 400-410 - [c10]Andreas Harth, Katja Hose, Marcel Karnstedt, Axel Polleres, Kai-Uwe Sattler, Jürgen Umbrich:
Data summaries for on-demand queries over linked data. WWW 2010: 411-420 - [c9]Jürgen Umbrich, Michael Hausenblas, Aidan Hogan, Axel Polleres, Stefan Decker:
Towards Dataset Dynamics: Change Frequency of Linked Open Data Sources. LDOW 2010
2000 – 2009
- 2009
- [c8]Jürgen Umbrich, Marcel Karnstedt, Andreas Harth:
Fast and Scalable Pattern Mining for Media-Type Focused Crawling. LWA 2009: KDML:119-126 - [c7]Nickolai Toupikov, Jürgen Umbrich, Renaud Delbru, Michael Hausenblas, Giovanni Tummarello:
DING! Dataset Ranking using Formal Descriptions. LDOW 2009 - 2008
- [c6]Jürgen Umbrich, Sebastian Blohm:
Exploring the Knowledge in Semi Structured Data Sets with Rich Queries. SemSearch 2008: 89-101 - [c5]Jürgen Umbrich, Andreas Harth, Aidan Hogan, Stefan Decker:
Four Heuristics to Guide Structured Content Crawling. ICWE 2008: 196-202 - 2007
- [c4]Andreas Harth, Aidan Hogan, Renaud Delbru, Jürgen Umbrich, Seán O'Riain, Stefan Decker:
SWSE: Answers Before Links! Semantic Web Challenge 2007 - [c3]Andreas Harth, Jürgen Umbrich, Aidan Hogan, Stefan Decker:
YARS2: A Federated Repository for Querying Graph Structured Data from the Web. ISWC/ASWC 2007: 211-224 - [c2]Aidan Hogan, Andreas Harth, Jürgen Umbrich, Stefan Decker:
Towards a scalable search and query engine for the web. WWW 2007: 1301-1302 - 2006
- [c1]Andreas Harth, Jürgen Umbrich, Stefan Decker:
MultiCrawler: A Pipelined Architecture for Crawling and Indexing Semantic Web Data. ISWC 2006: 258-271
Coauthor Index
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