Presentations and Posters
Some presentations and posters have been taken offline. Please contact me if you need them.
Presentations (Selection)
- "Dialogsysteme für cyber-physische Produktionssysteme"
Jens Lehmann
Dresdner Werkzeugmaschinen Fachseminar, 2019
- "What's the IQ of Conversational AI?"
Jens Lehmann
Invited Talk at Futuras in Res Conference, 2019
- "Question Answering over Knowledge Graphs"
Jens Lehmann
In: Fraunhofer IIS Invited Colloquium Talk, 2018
- "How to build a Question Answering system overnight"
Andreas Both, Denis Lukovnikov, Gaurav Maheshwari, Ioanna Lytra, Jens Lehmann, Kuldeep Singh, Mohnish Dubey, Priyansh Trivedi
15th Extended Semantic Web Conference, 2018
- "Question Answering for Call-Centers"
Jens Lehmann
Talk at Call Center Association Workshop in Munich, 2017
- "Question Answering over Knowledge Graphs: State of the Art and Future Perspectives"
Jens Lehmann
Keynote at the 12th Conference on Flexible Query Answering Systems, 2017
- "Wie schlau sind ihre Autos wirklich?"
Jens Lehmann
Keynote at Audi, Ingolstadt, 2016
- "Machine Learning Methods for Analysing and Linking RDF Data"
Jens Lehmann
Keynote at the SUM 2014 conference, 2014
- "GeoKnow and LinkedGeoData"
Jens Lehmann
Keynote at PILOD 2.0 congress in Hilversum, 2014
- "GeoKnow Project Overview"
Jens Lehmann
Talk at the Linked Data Europe Workshop in Athens, Greece, 2014
- "The GeoKnow Project"
Jens Lehmann
Invited Talk at the Joint Research Centre (Ispra), 2014
- "Towards Transfer Learning of Link Specifications"
Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Mofeed Hassan
7th IEEE International Conference on Semantic Computing, 2013
- download: not available
- related weblinks: ICSC 2013
- "Can we create better links by playing games?"
Jens Lehmann, Quan Nguyen
7th IEEE International Conference on Semantic Computing, 2013
- "LinkedGeoData and GeoKnow"
Jens Lehmann, Claus Stadler
Invited talk at the Information Sciences Institute, University of Southern California, 2013
- "The Linked Data Life-Cycle"
Jens Lehmann, Lorenz Bühmann
Invited Lecture Series at the ICCL Summer School 2013, 2013
- "AKSW Research Projects Overview"
Jens Lehmann
Talk at the University of Montpellier (France), 2013
- "LATC Datasets in the EU Data Cloud"
Jens Lehmann
1st European Data Forum, 2012
- "Managing the Life-Cycle of Large Scale Web Datasets"
Jens Lehmann, Sören Auer, Claus Stadler
Keynote talk at the Joint Workshop on Knowledge Evolution and Ontology Dynamics at ISWC 2012, 2012
- "DEQA - Deep Web Extraction for Question Answering"
Jens Lehmann
11st International Semantic Web Conference, 2012
- "Managing the Life-Cycle of Linked Data with the LOD2 Stack"
Christian Dirschl, Jens Lehmann
11st International Semantic Web Conference, 2012
- "Usage-Centric Benchmarking of RDF Triple Stores"
Mohamed Morsey, Jens Lehmann, Sören Auer, Axel-Cyrille Ngonga Ngomo
26th Association for the Advancement of Artificial Intelligence Conference, 2012
- "Ontology Semantics, Repair and Enrichment"
Jens Lehmann, Lorenz Bühmann
Lecture at the Indian Summer School on Linked Data (ISSLOD), University of Leipzig, 2011
- "The Linked Data Lifecycle"
Jens Lehmann, Sören Auer
Presentation at the chair for Prozessleittechnik, TU Dresden, 2011
- "AutoSPARQL - Let Users Query Your Knowledge Base"
Jens Lehmann, Lorenz Bühmann
8th Extended Semantic Web Conference, 2011
"sample lecture OWL reasoning"
Jens Lehmann
based on semantic-web-grundlagen.de, University of Leipzig, 2011
- download:
PDF (858.3 KB)
"sample lecture rules in the semantic web"
Jens Lehmann
based on semantic-web-grundlagen.de, University of Leipzig, 2011
- download:
PDF (452.7 KB)
"sample lecture OWL syntax"
Jens Lehmann
based on semantic-web-grundlagen.de, University of Leipzig, 2011
- download:
PDF (425.9 KB)
"Data Web Tutorial"
Jens Lehmann
Leipziger Semantic Web Tag, 2011
- download:
PDF (5.8 MB) - related weblinks: LOD2
- "DBpedia Overview"
Jens Lehmann
Leipziger Semantic Web Tag, 2011
- "LinkedGeoData Overview"
Jens Lehmann, Claus Stadler
Leipziger Semantic Web Tag, 2011
- "Learning OWL Class Expressions"
Jens Lehmann
PhD Defense, 2010
- "ORE - Ontology Repair and Enrichment"
Jens Lehmann, Lorenz Bühmann
9th International Semantic Web Conference, 2010
- "Ontology Learning"
Jens Lehmann
Invited Talk at Reasoning Web Summer School 2010 in Dresden, 2010
- "LinkedGeoData"
Jens Lehmann, Sören Auer
Semantic Web Challenge Entry (reached top 6), 2009
- "LinkedGeoData - Adding a Spatial Dimension to the Web of Data"
Jens Lehmann, Sören Auer
8th International Semantic Web Conference, 2009
- "Ideal Downward Refinement in the EL Description Logic"
Jens Lehmann, Christoph Haase
19th International Conference on Inductive Logic Programming, 2009
- "Presentation of AKSW Group and OWL Class Expressions Learning"
Jens Lehmann
Invited Talk at AIFB Karlsruhe, 2009
- "Semantic Wikis and the Web of Data"
Jens Lehmann, Sören Auer
Keynote talk at 1st KYOTO EU project workshop, 2009
- download:
ODP (4.7 MB)
- "OWL and Description Logics (Introduction, Reasoning, Learning)"
Jens Lehmann
OntoWiki EU Project Kickoff, 2008
- download:
ODP (283.6 KB)
- "Hybrid Learning of Ontology Classes"
Jens Lehmann
5th International Conference on Machine Learning and Data Mining, 2007
- "ALC Concept Learning with Refinement Operators"
Jens Lehmann, Pascal Hitzler
17th International Conference on Inductive Logic Programming, 2007
- "ALC Concept Learning with Refinement Operators"
Jens Lehmann
defense of diploma thesis, 2006
- "Lernen von ALC-Konzepten in Beschreibungslogiken und Ontologien"
Jens Lehmann
University of Leipzig, 2006
- "Genetic Programming and its use for Concept Learning in Description Logics"
Jens Lehmann
TU Dresden, 2006
- "Extracting Reduced Logic Programs from Artificial Neural Networks"
Jens Lehmann, Pascal Hitzler, Sebastian Bader
Ne'Sy05 workshop at IJCAI05, Edinburgh/Scotland, 2005
"Extraktion von Logikprogrammen aus neuronalen Netzen"
Jens Lehmann
defense "Großer Beleg", TU Dresden, 2005
- "Computer Go"
Jens Lehmann
TU Dresden, 2004
"Das SMV-System"
Jens Lehmann
TU Dresden, 2003
Posters
- "OECM: a cross-lingual approach for ontology enrichment"
Shimaa Ibrahim, Said Fathalla, Hamed Shariat Yazdi, Jens Lehmann, Hajira Jabeen
16th Extended Semantic Web Conference, 2019
- "Linked Data Quality Assessment through Network Analysis"
Christophe Guéret, Paul Groth, Claus Stadler, Jens Lehmann
10th International Semantic Web Conference, 2011
- "HANNE - A Holistic Application for Navigational Knowledge Engineering"
Sebastian Hellmann, Jörg Unbehauen, Jens Lehmann
9th International Semantic Web Conference, 2010
- "LinkedGeoData"
Jens Lehmann
8th International Semantic Web Conference, 2009
- "DBpedia Navigator"
Jens Lehmann, Sebastian Knappe
7th International Semantic Web Conference, 2008
- "Concept Learning in the ALC Description Logic"
Jens Lehmann, Pascal Hitzler
24th International Conference on Machine Learning, 2007