Research

Publications

Book Chapter

  • Sebastian Neumaier, Axel Polleres, Simon Steyskal, and Jürgen Umbrich. Data integration for open data on the web. In Reasoning Web. Semantic Interoperability on the Web (Reasoning Web 2017), Lecture Notes in Computer Science (LNCS). Springer, Lodon, United Kingdom, July 2017. [pdf]

Journal Articles

  • Sebastian Neumaier, Jürgen Umbrich, and Axel Polleres. Automated quality assessment of metadata across open data portals. ACM Journal of Data and Information Quality (JDIQ), 2016. [pdf]

Conference Papers

  • Sebastian Neumaier, Jürgen Umbrich, Josiane Xavier Parreira, and Axel Polleres. Multi-level semantic labelling of numerical values. In Proceedings of the 15th International Semantic Web Conference (ISWC 2016), Kobe, Japan, October 2016. Nominated for best student paper award. [pdf]
  • Johann Mitlöhner, Sebastian Neumaier, Jürgen Umbrich, and Axel Polleres. Characteristics of open data CSV files. In 2nd International Conference on Open and Big Data, Vienna, Austria, August 2016. Invited paper. [pdf]
  • Sebastian Neumaier and Jürgen Umbrich: Measures for assessing the data freshness in Open Data portals. In 2nd International Conference on Open and Big Data, Vienna, Austria, August 2016. [pdf]
  • Kubler, S., Robert, J., Le Traon, Y., Umbrich, J., & Neumaier, S. (2016, June). Open Data Portal Quality Comparison using AHP. In Proceedings of the 17th International Digital Government Research Conference on Digital Government Research (pp. 397-407). ACM. [pdf]
  • Jürgen Umbrich, Sebastian Neumaier, and Axel Polleres. Quality assessment & evolution of open data portals. In International Conference on Open and Big Data, Rome, Italy, August 2015. Best paper award. [pdf]

Workshop Papers

  • Sebastian Neumaier, Jürgen Umbrich, and Axel Polleres. Lifting data portals to the Web of Data. In WWW2017 Workshop on Linked Data on the Web (LDOW2017), Perth, Australia, April 2017. [pdf]
  • Sebastian Neumaier, Jürgen Umbrich, and Axel Polleres. Challenges of mapping current CKAN metadata to DCAT. In W3C Workshop on Smart Descriptions & Smarter Vocabularies (SDSVoc), Amsterdam, Netherlands, November 2016. [pdf]
  • Jürgen Umbrich, Sebastian Neumaier, and Axel Polleres. Towards assessing the quality evolution of open data portals. In ODQ2015: Open Data Quality: from Theory to Practice Workshop, Munich, Germany, March 2015. [pdf]

Others

  • Sebastian Neumaier, Vadim Savenkov, Svitlana Vakulenko. Talking Open Data. In Proceedings of the 14th European Semantic Web Conference (ESWC2017 – Posters and Demos Track), Portorož, Slovenia. [pdf][poster]
  • Sebastian Neumaier. Improving Open Data Usability through Semantics. ISWC 2016 Doctoral Consortium, Kobe, Japan, October 2016. [pdf][poster]

Theses

  • Sebastian Neumaier. Open Data Quality – Assessment and Evolution of (Meta-)Data Quality in the Open Data Landscape. Vienna University of Technology, October 2015. Master Thesis. [pdf][poster]

Presentations

  • 08.07.2017: Data integration for open data on the web. Reasoning Web Summer School 2017Birkbeck, University of London, United Kingdom. [pdf][pptx]
  • 03.04.2017: Lifting Data Portals to the Web of Data. WWW2017 Workshop on Linked Data on the Web, Perth, Australia. [pdf][pptx]
  • 1.12.2016: Challenges of mapping current CKAN metadata to DCAT. W3C Workshop on Smart Descriptions & Smarter Vocabularies, Amsterdam, Netherlands. [pdf][pptx]
  • 21.10.2016: Multi-level semantic labelling of numerical values. ISWC 2016 Research Paper, Kobe, Japan. [pdf][pptx]
  • 19.10.2016: Improving Open Data Usability through Semantics. ISWC 2016 Doctoral Consortium, Kobe, Japan. [pdf]
  • 23.08.2016: Measures for assessing the data freshness in Open Data portals. 2nd International Conference on Open and Big Data, Vienna, Austria. [pdf]
  • 12.11.2015: Open Data Quality. Diplomprüfung (Master thesis presentation), TU Vienna, Austria. [pdf][pptx]

Awards & Prices

Reviewing Activities

Journals

Conferences

  • Subreviewer: WWW 2017 (26th International World Wide Web Conference)
  • Subreviewer: ISWC 2016 (15th International Semantic Web Conference)
  • Subreviewer: Web Science 2016
  • Subreviewer: WWW 2016 (25th International World Wide Web Conference)