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ORCIDJürgen Umbrich
- > Home > Persons > Jürgen Umbrich
Publications
- 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)- 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 - 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) - [c39]Javier D. Fernández, Jürgen Umbrich, Axel Polleres, Magnus Knuth:
Evaluating Query and Storage Strategies for RDF Archives. SEMANTiCS 2016: 41-48 - [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 - 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 - 2014
- [c30]Carlos Buil-Aranda, Axel Polleres, Jürgen Umbrich:
Strategies for Executing Federated Queries in SPARQL1.1. ISWC (2) 2014: 390-405 - [p2]Jürgen Umbrich, Marcel Karnstedt, Axel Polleres, Kai-Uwe Sattler:
Index-Based Source Selection and Optimization. Linked Data Management 2014: 311-337 - 2013
- [c24]Axel Polleres, Aidan Hogan, Renaud Delbru, Jürgen Umbrich:
RDFS and OWL Reasoning for Linked Data. Reasoning Web 2013: 91-149 - 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) - [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 - [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) - [i1]Jürgen Umbrich, Aidan Hogan, Axel Polleres:
Improving the recall of decentralised linked data querying through implicit knowledge. CoRR abs/1109.0181 (2011) - 2010
- [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
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