Room:	2.078b
Phone:	+49 (228) 73-60656
E-Mail:	lutz.oettershagencs.uni-bonn.de

I'm researching problems on temporal graphs. Such a graph changes its structure over time. Amongst other things, I'm interested in path problems, classification and network analysis.

• Spatio-Temporal Top-k Similarity Search for Trajectories in Graphs (Preprint arXiv:2009.06778), Lutz Oettershagen, Anne Driemel, Petra Mutzel.
  

• Efficient Top-k Temporal Closeness Calculation in Temporal Networks, Lutz Oettershagen, Petra Mutzel.
  IEEE International Conference on Data Mining (ICDM) 2020.

• Temporal Graph Kernels for Classifying Dissemination Processes (Preprint arXiv:1911.05496), Lutz Oettershagen, Nils Kriege, Christopher Morris, Petra Mutzel.
  SIAM International Conference on Data Mining (SDM) 2020.

• On the Enumeration of Bicriteria Temporal Paths (Preprint arXiv:1812.02507)
  Petra Mutzel, Lutz Oettershagen.
  Theory and Applications of Models of Computation (TAMC) 2019.

• The Crossing Number of Semi-Pair-Seq-Shellable Drawings of Complete Graphs
  (Preprint arXiv:1805.06780), Petra Mutzel, Lutz Oettershagen.
  Canadian Conference on Computational Geometry (CCCG) 2018.

• The Crossing Number of Seq-Shellable Drawings of Complete Graphs (Preprint arXiv:1803.07515), Petra Mutzel, Lutz Oettershagen.
  International Workshop on Combinatorial Algorithms (IWOCA) 2018.

• Classifying Dissemination Processes in Temporal Graphs, Lutz Oettershagen, Nils Kriege, Christopher Morris, Petra Mutzel.
  Big Data, Mary Ann Liebert.

• Wintersemester 2020/21
  • Advanced Algorithms

• Sommersemester 2020
  • Lab Computational Analytics - Algorithms for learning on temporal graphs

• Wintersemester 2019/20
  • Algorithmen und Berechnungskomplexität I

• Sommersemester 2019 (TU Dortmund)
  • Softwaretechnik (Übung)
  • Proseminar Graphalgorithmen

• Wintersemester 2018/2019 (TU Dortmund)
  • Einführung in die Programmierung (Übung)

• Sommersemester 2018 (TU Dortmund)
  • Grundbegriffe der Theoretischen Informatik (Übung)
  • Seminar Algorithm Engineering

• Wintersemester 2017/2018 (TU Dortmund)
  • Einführung in die Programmierung (Praktikum)

• Sommersemester 2017 (TU Dortmund)
  • Effiziente Algorithmen (Übung)