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

In: 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.

Links | BibTeX

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

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

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

Links | BibTeX

2018

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

DL-Learner Structured Machine Learning on Semantic Web Data Inproceedings

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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.

Links | BibTeX

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

HAWK - Hybrid Question Answering over Linked Data Inproceedings

In: 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

In: 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

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

Links | BibTeX

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

HAWK - Hybrid Question Answering Using Linked Data Inproceedings

In: 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.

Links | BibTeX

2014

Lehmann, Jens; Bühmann, Lorenz

Linked Data Reasoning Incollection

In: Linked Enterprise Data, X.media press, 2014.

BibTeX

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

Concept Learning Incollection

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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

In: 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