Stephan Sloth Lorenzen

Research output

Research output per year 2014 2014 2016 2017 2019 2019

• 4 Article in proceedings
• 1 Paper
• 1 Journal article

Research output per year

Research output per year

Search results

• 2019

  Detecting ghostwriters in high schools

  Stavngaard, M., Sørensen, A., Lorenzen, S., Hjuler, N. & Alstrup, S., 2019, ESANN 2019 - Proceedings, 27th European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning. ESANN (i6doc.com), p. 197-202 6 p. (ESANN 2019 - Proceedings, 27th European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning).

  Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  • Deep neural networks 100%
  • Sales 98%
  • Industry 89%
  • Students 76%
  1 Citation (Scopus)

• On PAC-Bayesian bounds for random forests

  Lorenzen, S. S., Igel, C. & Seldin, Y., 15 Sept 2019, In: Machine Learning. 108, 8-9, p. 1503-1522

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Random forests 100%
  • Classifiers 44%
  • Decision trees 30%
  • Machine learning 11%
  • Experiments 11%
• 2017

  DABAI: A data driven project for e-Learning in Denmark

  Alstrup, S., Hansen, C., Hansen, C., Hjuler, N., Lorenzen, S. & Pham, N., 1 Jan 2017, ECEL17 - Proceedings of the 16th European Conference on e-Learning. Peres, P. & Mesquita, A. (eds.). Academic Conferences and Publishing International, p. 18-24 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  • Industry 100%
  • Education 55%
  • Students 48%
  • Computer science 32%
  • Big data 29%
  1 Citation (Scopus)

• On predicting student performance using low-rank matrix factorization techniques

  Lorenzen, S. S., Pham, D. N. & Alstrup, S., Oct 2017, ECEL17 - Proceedings of the 16th European Conference on e-Learning. Peres, P. & Mesquita, A. (eds.). Academic Conferences and Publishing International, p. 326-334 9 p.

  Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  • Factorization 100%
  • Students 74%
  • Set theory 12%
  • Collaborative filtering 11%
  • Singular value decomposition 10%
  3 Citations (Scopus)
• 2016

  Steiner tree heuristic in the Euclidean d-space using bottleneck distances

  Lorenzen, S. S. & Winter, P., 2016, Experimental Algorithms: 15th International Symposium, SEA 2016, St. Petersburg, Russia, June 5-8, 2016, Proceedings. Goldberg, A. V. & Kulikov, A. S. (eds.). Springer, p. 217-230 14 p. (Lecture notes in computer science, Vol. 9685).

  Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

  • topology 100%
  92 Downloads (Pure)
• 2014

  Steiner tree heuristics in Euclidean d-space

  E. Olsen, A., Lorenzen, S. S., Fonseca, R. & Winter, P., 2014. 26 p.

  Research output: Contribution to conference › Paper › Research