Lorenz Bühmann


lorenz_1PhD Student
Agile Knowledge Engineering and Semantic Web (AKSW)
University of Leipzig

Profiles: LinkedInGoogle Scholar, DBLP

Room 24
Goerdelerring 9, 04109 Leipzig
Institut für Angewandte Informatik (InfAI), An-Institut der Universität Leipzig
buehmann@informatik.uni-leipzig.de
Phone: +49-341-9732292

Short CV


Lorenz Bühmann is a PhD Student at the University of Leipzig. Lorenz’s research interests are in the area of Structured Machine Learning.

Research Interests


  • Ontology Learning
  • Ontology Debugging
  • Reasoning
  • Question Answering
  • Natural Language Generation
  • Big Structured Machine Learning

Publications

2019

Ngomo, Axel-Cyrille Ngonga; Moussallem, Diego; Bühmann, Lorenz

A Holistic Natural Language Generation Framework for the Semantic Web Inproceedings

Proceedings of the International Conference on Recent Advances in Natural Language Processing, RANLP 2019, Varna, Bulgaria, September 2-4, 2019, pp. 819–828, INCOMA Ltd., 2019.

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Westphal, Patrick; Bühmann, Lorenz; Bin, Simon; Jabeen, Hajira; Lehmann, Jens

SML-Bench - A benchmarking framework for structured machine learning Journal Article

Semantic Web, 10 (2), pp. 231–245, 2019.

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2018

Bühmann, Lorenz; Lehmann, Jens; Westphal, Patrick; Bin, Simon

DL-Learner Structured Machine Learning on Semantic Web Data Inproceedings

Companion of the The Web Conference 2018 on The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018, pp. 467–471, ACM, 2018.

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2017

Ermilov, Ivan; Lehmann, Jens; Sejdiu, Gezim; Bühmann, Lorenz; Westphal, Patrick; Stadler, Claus; Bin, Simon; Chakraborty, Nilesh; Petzka, Henning; Saleem, Muhammad; Ngomo, Axel-Cyrille Ngonga; Jabeen, Hajira

The Tale of Sansa Spark Inproceedings

Proceedings of the ISWC 2017 Posters & Demonstrations and Industry Tracks co-located with 16th International Semantic Web Conference (ISWC 2017), Vienna, Austria, October 23rd - to - 25th, 2017, CEUR-WS.org, 2017.

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Lehmann, Jens; Sejdiu, Gezim; Bühmann, Lorenz; Westphal, Patrick; Stadler, Claus; Ermilov, Ivan; Bin, Simon; Chakraborty, Nilesh; Saleem, Muhammad; Ngomo, Axel-Cyrille Ngonga; Jabeen, Hajira

Distributed Semantic Analytics Using the SANSA Stack Inproceedings

The Semantic Web - ISWC 2017 - 16th International Semantic Web Conference, Vienna, Austria, October 21-25, 2017, Proceedings, Part II, pp. 147–155, Springer, 2017.

Abstract | Links | BibTeX

2016

Bin, Simon; Bühmann, Lorenz; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga

Towards SPARQL-Based Induction for Large-Scale RDF Data Sets Inproceedings

ECAI 2016 - 22nd European Conference on Artificial Intelligence, 29 August-2 September 2016, The Hague, The Netherlands - Including Prestigious Applications of Artificial Intelligence (PAIS 2016), pp. 1551–1552, IOS Press, 2016.

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Rizzo, Giuseppe; Fanizzi, Nicola; Lehmann, Jens; Bühmann, Lorenz

Integrating New Refinement Operators in Terminological Decision Trees Learning Inproceedings

Knowledge Engineering and Knowledge Management - 20th International Conference, EKAW 2016, Bologna, Italy, November 19-23, 2016, Proceedings, pp. 511–526, 2016.

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Bühmann, Lorenz; Lehmann, Jens; Westphal, Patrick

DL-Learner - A framework for inductive learning on the Semantic Web Journal Article

J. Web Semant., 39 , pp. 15–24, 2016.

Abstract | Links | BibTeX

2015

Lehmann, Jens; Athanasiou, Spiros; Both, Andreas; Buehmann, Lorenz; Garcia-Rojas, Alejandra; Giannopoulos, Giorgos; Hladky, Daniel; Hoeffner, Konrad; Grange, Jon Jay Le; Ngomo, Axel-Cyrille Ngonga; Pietzsch, Rene; Isele, Robert; Sherif, Mohamed Ahmed; Stadler, Claus; Wauer, Matthias; Westphal, Patrick

The GeoKnow Handbook Technical Report

2015.

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Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Bühmann, Lorenz; Unger, Christina

HAWK - Hybrid Question Answering over Linked Data Inproceedings

12th Extended Semantic Web Conference, Portorov z, Slovenia, 31st May - 4th June 2015, 2015.

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Bühmann, Lorenz; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga

ASSESS - Automatic Self-Assessment Using Linked Data Inproceedings

The Semantic Web - ISWC 2015 - 14th International Semantic Web Conference, Bethlehem, PA, USA, October 11-15, 2015, Proceedings, Part II, pp. 76–89, Springer, 2015.

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Gerber, Daniel; Esteves, Diego; Lehmann, Jens; Bühmann, Lorenz; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Speck, René

DeFacto - Temporal and multilingual Deep Fact Validation Journal Article

J. Web Semant., 35 , pp. 85–101, 2015.

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Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Bühmann, Lorenz; Unger, Christina

HAWK - Hybrid Question Answering Using Linked Data Inproceedings

The Semantic Web. Latest Advances and New Domains - 12th European Semantic Web Conference, ESWC 2015, Portoroz, Slovenia, May 31 - June 4, 2015. Proceedings, pp. 353–368, Springer, 2015.

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2014

Lehmann, Jens; Bühmann, Lorenz

Linked Data Reasoning Incollection

Linked Enterprise Data, X.media press, 2014.

BibTeX

Lehmann, Jens; Fanizzi, Nicola; Bühmann, Lorenz; dÁmato, Claudia

Concept Learning Incollection

Perspectives on Ontology Learning, pp. 71-91, AKA / IOS Press, 2014.

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Bühmann, Lorenz; Fleischhacker, Daniel; Lehmann, Jens; Melo, André; Völker, Johanna

Inductive Lexical Learning of Class Expressions Inproceedings

Knowledge Engineering and Knowledge Management - 19th International Conference, EKAW 2014, Linköping, Sweden, November 24-28, 2014. Proceedings, pp. 42–53, Springer, 2014.

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Rula, Anisa; Palmonari, Matteo; Ngomo, Axel-Cyrille Ngonga; Gerber, Daniel; Lehmann, Jens; Bühmann, Lorenz

Hybrid Acquisition of Temporal Scopes for RDF Data Inproceedings

The Semantic Web: Trends and Challenges - 11th International Conference, ESWC 2014, Anissaras, Crete, Greece, May 25-29, 2014. Proceedings, pp. 488–503, Springer, 2014.

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Bühmann, Lorenz; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga; Saleem, Muhammad; Both, Andreas; Crescenzi, Valter; Merialdo, Paolo; Qiu, Disheng

Web-Scale Extension of RDF Knowledge Bases from Templated Websites Inproceedings

The Semantic Web - ISWC 2014 - 13th International Semantic Web Conference, Riva del Garda, Italy, October 19-23, 2014. Proceedings, Part I, pp. 66–81, Springer, 2014.

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Hellmann, Sebastian; Bryl, Volha; Bühmann, Lorenz; Dojchinovski, Milan; Kontokostas, Dimitris; Lehmann, Jens; Milosevic, Uros; Petrovski, Petar; Svátek, Vojtech; Stanojevic, Mladen; Zamazal, Ondrej

Knowledge Base Creation, Enrichment and Repair Incollection

Linked Open Data - Creating Knowledge Out of Interlinked Data - Results of the LOD2 Project, 8661 , pp. 45–69, Springer, 2014.

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2013

Zaveri, Amrapali; Kontokostas, Dimitris; Sherif, Mohamed Ahmed; Bühmann, Lorenz; Morsey, Mohamed; Auer, Sören; Lehmann, Jens

User-driven quality evaluation of DBpedia Inproceedings

I-SEMANTICS 2013 - 9th International Conference on Semantic Systems, ISEM '13, Graz, Austria, September 4-6, 2013, pp. 97–104, ACM, 2013.

Abstract | Links | BibTeX

Höffner, Konrad; Unger, Christina; Bühmann, Lorenz; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Gerber, Daniel; Cimiano, Philipp

User Interface for a Template Based Question Answering System Inproceedings

Knowledge Engineering and the Semantic Web - 4th International Conference, KESW 2013, St. Petersburg, Russia, October 7-9, 2013. Proceedings, pp. 258–264, Springer, 2013.

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Bühmann, Lorenz; Lehmann, Jens

Pattern Based Knowledge Base Enrichment Inproceedings

The Semantic Web - ISWC 2013 - 12th International Semantic Web Conference, Sydney, NSW, Australia, October 21-25, 2013, Proceedings, Part I, pp. 33–48, Springer, 2013.

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Gerber, Daniel; Hellmann, Sebastian; Bühmann, Lorenz; Soru, Tommaso; Usbeck, Ricardo; Ngomo, Axel-Cyrille Ngonga

Real-Time RDF Extraction from Unstructured Data Streams Inproceedings

The Semantic Web - ISWC 2013 - 12th International Semantic Web Conference, Sydney, NSW, Australia, October 21-25, 2013, Proceedings, Part I, pp. 135–150, Springer, 2013.

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Ngomo, Axel-Cyrille Ngonga; Bühmann, Lorenz; Unger, Christina; Lehmann, Jens; Gerber, Daniel

Sorry, i don't speak SPARQL: translating SPARQL queries into natural language Inproceedings

22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, pp. 977–988, International World Wide Web Conferences Steering Committee / ACM, 2013.

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Ngomo, Axel-Cyrille Ngonga; Bühmann, Lorenz; Unger, Christina; Lehmann, Jens; Gerber, Daniel

SPARQL2NL: verbalizing sparql queries Inproceedings

22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume, pp. 329–332, International World Wide Web Conferences Steering Committee / ACM, 2013.

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Zamazal, Ondrej; Bühmann, Lorenz; Svátek, Vojtech

Checking and repairing ontological naming patterns using ORE and PatOMat Inproceedings

Proceedings of the Second International Workshop on Debugging Ontologies and Ontology Mappings, Montpellier, France, May 27, 2013, pp. 69–76, CEUR-WS.org, 2013.

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2012

Bühmann, Lorenz; Lehmann, Jens

Universal OWL Axiom Enrichment for Large Knowledge Bases Inproceedings

Knowledge Engineering and Knowledge Management - 18th International Conference, EKAW 2012, Galway City, Ireland, October 8-12, 2012. Proceedings, pp. 57–71, Springer, 2012.

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Auer, Sören; Bühmann, Lorenz; Dirschl, Christian; Erling, Orri; Hausenblas, Michael; Isele, Robert; Lehmann, Jens; Martin, Michael; Mendes, Pablo N; Nuffelen, Bert Van; Stadler, Claus; Tramp, Sebastian; Williams, Hugh

Managing the Life-Cycle of Linked Data with the LOD2 Stack Inproceedings

The Semantic Web - ISWC 2012 - 11th International Semantic Web Conference, Boston, MA, USA, November 11-15, 2012, Proceedings, Part II, pp. 1–16, Springer, 2012.

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Lehmann, Jens; Furche, Tim; Grasso, Giovanni; Ngomo, Axel-Cyrille Ngonga; Schallhart, Christian; Sellers, Andrew Jon; Unger, Christina; Bühmann, Lorenz; Gerber, Daniel; Höffner, Konrad; Liu, David; Auer, Sören

deqa: Deep Web Extraction for Question Answering Inproceedings

The Semantic Web - ISWC 2012 - 11th International Semantic Web Conference, Boston, MA, USA, November 11-15, 2012, Proceedings, Part II, pp. 131–147, Springer, 2012.

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Unger, Christina; Bühmann, Lorenz; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Gerber, Daniel; Cimiano, Philipp

Template-based question answering over RDF data Inproceedings

Proceedings of the 21st World Wide Web Conference 2012, WWW 2012, Lyon, France, April 16-20, 2012, pp. 639–648, ACM, 2012.

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2011

Lehmann, Jens; Bühmann, Lorenz

AutoSPARQL: Let Users Query Your Knowledge Base Inproceedings

The Semantic Web: Research and Applications - 8th Extended Semantic Web Conference, ESWC 2011, Heraklion, Crete, Greece, May 29-June 2, 2011, Proceedings, Part I, pp. 63–79, Springer, 2011.

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Lehmann, Jens; Auer, Sören; Bühmann, Lorenz; Tramp, Sebastian

Class expression learning for ontology engineering Journal Article

J. Web Semant., 9 (1), pp. 71–81, 2011.

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2010

Lehmann, Jens; Bühmann, Lorenz

ORE - A Tool for Repairing and Enriching Knowledge Bases Inproceedings

The Semantic Web - ISWC 2010 - 9th International Semantic Web Conference, ISWC 2010, Shanghai, China, November 7-11, 2010, Revised Selected Papers, Part II, pp. 177–193, Springer, 2010.

Links | BibTeX