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Dr. Christoph Kiefer

Doctoral Thesis

2009

  • Show abstractChristoph Kiefer, Non-Deductive Reasoning for the Semantic Web and Software Analysis, January 2009. (doctoralthesis)

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Publications

2010

  • Show abstractJonas Tappolet, Christoph Kiefer, Abraham Bernstein, Semantic web enabled software analysis, Journal of Web Semantics: Science, Services and Agents on the World Wide Web 8, July 2010. (article)

2009

  • Abraham Bernstein, Esther Kaufmann, Christoph Kiefer, Querying the Semantic Web with Ginseng - A Guided Input Natural Language Search Engine, Searching Answers. Festschrift in Honour of Michael Hess on the Occasion of His 60th Birthday, Editor(s): Simon Clematide, Manfred Klenner, Martin Volk; 2009, MV-Wissenschaft, Münster. (incollection)

2008

  • Show abstractChristoph Kiefer, Abraham Bernstein, André Locher, Adding Data Mining Support to SPARQL via Statistical Relational Learning Methods, Proceedings of the 5th European Semantic Web Conference (ESWC), February 2008, Springer. (inproceedings)
  • Show abstractMarkus Stocker, Andy Seaborne, Abraham Bernstein, Christoph Kiefer, Dave Reynolds, SPARQL Basic Graph Pattern Optimization Using Selectivity Estimation, Proceedings of the 17th International World Wide Web Conference (WWW), April 2008, ACM. (inproceedings)
  • Show abstractChristoph Kiefer, Abraham Bernstein, The Creation and Evaluation of iSPARQL Strategies for Matchmaking, Proceedings of the 5th European Semantic Web Conference (ESWC), February 2008, Springer. (inproceedings)

2007

  • Christoph Kiefer, Abraham Bernstein, Jonas Tappolet, Analyzing Software with iSPARQL, Proceedings of the 3rd International Workshop on Semantic Web Enabled Software Engineering (SWESE 2007), June 2007, Springer. (inproceedings)
  • Show abstractChristoph Kiefer, Imprecise SPARQL: Towards a Unified Framework for Similarity-Based Semantic Web Tasks, Proceedings of 2nd Knowledge Web PhD Symposium (KWEPSY) colocated with the 4th Annual European Semantic Web Conference (ESWC), June 2007. (inproceedings)
  • Show abstractChristoph Kiefer, Abraham Bernstein, Jonas Tappolet, Mining Software Repositories with iSPARQL and a Software Evolution Ontology, Proceedings of the 2007 International Workshop on Mining Software Repositories (MSR '07), March 2007, IEEE Computer Society. (inproceedings)
  • Show abstractAbraham Bernstein, Christoph Kiefer, Markus Stocker, OptARQ: A SPARQL Optimization Approach based on Triple Pattern Selectivity Estimation, Department of Informatics, University of Zurich 2007. (techreport)
  • Show abstractChristoph Kiefer, Abraham Bernstein, Hong Joo Lee, Mark Klein, Markus Stocker, Semantic Process Retrieval with iSPARQL, Proceedings of the 4th European Semantic Web Conference (ESWC '07), March 2007, Springer. (inproceedings)
  • Show abstractAbraham Bernstein, Markus Stocker, Christoph Kiefer, SPARQL Query Optimization Using Selectivity Estimation, 2007. (misc)
  • Show abstractChristoph Kiefer, Abraham Bernstein, Markus Stocker, The Fundamentals of iSPARQL - A Virtual Triple Approach For Similarity-Based Semantic Web Tasks, Proceedings of the 6th International Semantic Web Conference (ISWC), March 2007, Springer. (inproceedings)

2006

  • Show abstractTobias Sager, Abraham Bernstein, Martin Pinzger, Christoph Kiefer, Detecting Similar Java Classes Using Tree Algorithms, Proceedings of the International Workshop on Mining Software Repositories, May 2006, ACM. (inproceedings)
  • Show abstractPatrick Ziegler, Christoph Kiefer, Christoph Sturm, Klaus R. Dittrich, Abraham Bernstein, Detecting Similarities in Ontologies with the SOQA-SimPack Toolkit, 10th International Conference on Extending Database Technology (EDBT 2006), Editor(s): Yannis Ioannidis, Marc H. Scholl, Joachim W. Schmidt, Florian Matthes, Mike Hatzopoulos, Klemens Boehm, Alfons Kemper, Torsten Grust, Christian Boehm, March ; 2006, Springer. (inproceedings)
  • Show abstractPatrick Ziegler, Christoph Kiefer, Christoph Sturm, Klaus R. Dittrich, Abraham Bernstein, Generic Similarity Detection in Ontologies with the SOQA-SimPack Toolkit, SIGMOD Conference, June 2006, ACM. (inproceedings)
  • Abraham Bernstein, Esther Kaufmann, Christian Kaiser, Christoph Kiefer, Ginseng: A Guided Input Natural Language Search Engine for Querying Ontologies, 2006 Jena User Conference, May 2006. (inproceedings)
  • Show abstractAbraham Bernstein, Christoph Kiefer, Imprecise RDQL: Towards Generic Retrieval in Ontologies Using Similarity Joins, 21th Annual ACM Symposium on Applied Computing (ACM SAC 2006), April 2006, ACM. (inproceedings)

2005

  • Abraham Bernstein, Christoph Kiefer, iRDQL - Imprecise Queries Using Similarity Joins for Retrieval in Ontologies, 4th International Semantic Web Conference, November 2005. (inproceedings)
  • Show abstractAbraham Bernstein, Christoph Kiefer, iRDQL - Imprecise RDQL Queries Using Similarity Joins, K-CAP 2005 Workshop on: Ontology Management: Searching, Selection, Ranking, and Segmentation, October 2005. (inproceedings)
  • Show abstractAbraham Bernstein, Esther Kaufmann, Anne Göhring, Christoph Kiefer, Querying Ontologies: A Controlled English Interface for End-users, 4th International Semantic Web Conference (ISWC 2005), November 2005. (inproceedings)
  • Show abstractAbraham Bernstein, Esther Kaufmann, Christoph Kiefer, Christoph Bürki, SimPack: A Generic Java Library for Similarity Measures in Ontologies, University of Zurich, Department of Informatics, August 2005. (techreport)

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Other theses

  • Christoph Kiefer. Qualitative and Quantitative Evalutation of the Reading People Tracker (Diploma Thesis). ETH Zurich, Department of Computer Science. March 2004. [pdf] [bibtex]
  • Christoph Kiefer. Semi-Automatic Calibration for the Ada/Expo.02 Vision Matrix (Semester Thesis). ETH Zurich, Department of Computer Science. August 2003. [pdf] [bibtex]
  • Thomas Brunner and Christoph Kiefer. Preisdifferenzierung für Flugtickets auf den Strecken Zürich-London und Frankfurt-New York (Semester Thesis). ETH Zurich, Department of Computer Science. March 2003. [pdf] [bibtex]

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