1. Ina Koch. Modeling gene regulation using Petri nets, 3rd Warsaw/Berlin-Workshop on Computational Biology at MPI for Molecular Genetics Berlin, Germany, March, 7-8 (2008).

2. Ina Koch. Petri nets as modelling approach in computational systems biology, BCB-Symposium 2006, Berlin, Germany, November 23-24 (2006).

3. Ina Koch. Petri nets and their application to biochemical systems Part I, Seminar at Max-Planck-Institute for Molecular Genetics, Berlin November, 16 (2006).

4. Ina Koch. Decomposition of biochemical networks by clustering of the minimal transition invariants MPI-Workshop on Systems Biology, March, 2 (2006).

5. Ina Koch. Oberseminar at FSU Jena, (2005).

6. Ina Koch, Monika Heiner. Petri Nets as Partial Order Semantics for Biochemical Networks European Conference on Mathematical and Theoretical Biology (ECMTB '05), Mini-Symposium on Qualitative and Structual Analysis of Biological Regulatory Networks, Dresden, July, 18-22 (2005).

7. Ina Koch, Monika Heiner. Tutorial Qualitative Modelling and Analysis of Biochemical Pathways with Petri Nets International Conference on Systems Biology Heidelberg, Germany, October, 9-13 (2004).

8. Hiroyuki Ogata, Ina Koch, Monika Heiner, Jean-Michel Claverie. An approach to generate testable hypothesis in microbiology International Conference on Systems Biology Heidelberg, Germany, October, 9-13 p. 46 (2004).

9. Ina Koch. Application of Petri net theory to model and analyse metabolic pathways - demonstrated for the sucrose breakdown in the potato tuber Research seminar, Humboldt-University Berlin, September, 23 (2004).

10. Ina Koch, Monika Heiner. Petri Net Based Model Validation in Systems Biology Conference BioCon Valley Life Science for the Future, Rostock, Germany, September, 9 (2004).

11. Louchka Popova-Zeugmann, Ina Koch, Monika Heiner. Modelling and Analysis of Biochemical Networks with Time Petri Nets Concurrency Specification an Programming CS&P'2004, Caputh, Germany, (2004).

12. Monika Heiner, Ina Koch. Petri Net Based Model Validation in Systems Biology. 25th International Conference on Application and Theory of Petri Nets, ICATPN 2004. July, 21-25, Bologna, Italy, (2004).

13. Ina Koch. Anwendung von Petri-Netzen zur Modellierung biologischer Systeme. BCB-Symposium Berlin, Germany, June, 30 (2003).

14. Ina Koch. Der Master-Aufbaustudiengang Bioinformatik an der TFH Berlin. Intergenomics - Bioinformatik Kompetenzzentrum Braunschweig, Germany, June, 26 (2003).

15. Ina Koch. Modellierung von biologischen Netzwerken mit Petrinetzen. Intergenomics - Bioinformatik Kompetenzzentrum Braunschweig, Germany, June, 26 (2003).

16. Ina Koch. Der Master-Aufbaustudiengang Bioinformatik an der TFH Berlin. Workshop von BCB, BioTOP Berlin-Brandenburg, Investitionsbank Berlin und Senatsverwaltung für Wirtschaft, Arbeit, und Frauen, Berlin, Germany, April, 1 (2003).

17. Monika Heiner, Ina Koch, Jürgen Will. Model Validation of Biological Pathways Using Petri Nets - Demonstrated for Apoptosis. CMSB - First International Workshop on Computational Methods in Systems Biology, Rovereto, Italy, February, 24-26 (2003).

18. Ina Koch, Stéphanie Boué, Martin Vingron. A theoretical investigation of alternative splicing in human. NGFN/DHGP Symposium Berlin, November, 17-19 (2002).

19. Monika Heiner, Ina Koch, Klaus Voss. Analysis and Simulation of Steady States in Metabolic Pathways with Petri Nets. CPN'01 Third Workshop and Tutorial on Practical Use of Coloured Petri Nets and the CPN Tools, University of Aarhus, Denmark, August, 29-31 (2001).

20. Stefan Schuster, Thomas Pfeiffer, Ferdinand Moldenhauer, Ina Koch, Thomas Dandekar. Structural Ananlysis of metabolic Networks: Elementary Flux Modes, Analogy to Petri Nets, and Application to Mycoplasma pneumoniae. German Conference of Bioinformatics, Heidelberg, Germany, October 5-7 (2000).

21. Shamil Sunyaev, Vasily Ramensky, Ina Koch, Waren Lathe III, Alexey Kondrashov , Peer Bork. Estimating the Impact of Single Nucleotide Polymorphism on Fitness through the Analysis of Molecular Phenotypes. Third International Meeting on SNP and Complex Genome Analysis in Taos, New Mexico, USA, September, 8-11 (2000).

22. Ina Koch, Stefan Schuster, Monika Heiner. Using time-dependent Petri nets for the analysis of metabolic networks. DFG-Workshop: Informatikmethoden zur Analyse und Interpretation groser genomischer Datenmengen, Magdeburg, Germany, May, 19-20 (2000).

23. Ina Koch. A graph-theoretical Approach for multiple Structure Alignment. Workshop: Theoretical Biology, Hiddensee, Germany, April, 1-3 (1998).

24. Ina Koch, Thomas Lengauer. Detection of distant structural similarities in a set of proteins using a fast graph-based method. Fifth International Conference on Intelligent Systems for Molecular Biology, Halkidiki, Greece, June, 21-26 (1997).

25. Ina Koch. Graph Theoretical Description of Sheet Topologies. Workshop Molecular Bioinformatics, Castle Dagstuhl, Germany, September 7-11 (1992).

26. Ina Koch. Analysis, Prediction, and Retrieval of Secondary and Supersecondary Structures of Proteins. Workshop Computer Applications in Biosciences, November, Martinsried, Germany, 15-17 (1990).

27. Ina Koch. PEE (Protein Engineering Expert System) a knowlegde-based system for secondary structure prediction of proteins. Workshop Molecular Modelling, Darmstadt, Germany, May, 22-23 (1990).