Universität zu Köln

Kuckertz, Patrick, Ullrich, Oliver, Linstädter, Anja and Speckenmeyer, Ewald (2011). Agent based modeling and simulation of a pastoral-nomadic land use system. Simulation Notes Europe, 21 (3-4). pp. 147-152. ARGESIM / ASIM Pub. TU Vienna/Austria..

Kuckertz, Patrick, Ullrich, Oliver and Randerath, Hubert (2012). A simulation based approach on robust airline job pairing. Simulation Notes Europe, 22 (2). pp. 77-82. ARGESIM / ASIM Pub. TU Vienna/Austria..

Lueckerath, Daniel, Ullrich, Oliver, Rishe, Naphtali and Speckenmeyer, Ewald (2018). A disjunctive program formulation to generate regular public transit timetables adhering to prioritized planning requirements. Networks, 72 (2). S. 217 - 238. HOBOKEN: WILEY. ISSN 1097-0037

Lückerath, Daniel, Ullrich, Oliver, Kupicha, Aleksander and Speckenmeyer, Ewald (2014). Multi-depot multi-vehicle-type vehicle scheduling for Cologne's tram network. In: Proceedings of ASIM-Workshop STS/GMMS 2014, ASIM Mitteilungen, pp. 191-197. ARGESIM/ASIM Pub., TU Vienna/Austria, Scheible, J.; Bausch-Gall, I.; Deatcu, C. (Ed.).

Lückerath, Daniel, Ullrich, Oliver and Speckenmeyer, Ewald (2013). Applicability of rescheduling strategies in tram networks. In: Proceedings of ASIM-Treffen STS/GMMS 2013, ASIM-Mitteilungen, ARGESIM/ASIM Pub., TU Vienna/Austria. Reichardt, R. (Ed.).

Lückerath, Daniel, Ullrich, Oliver and Speckenmeyer, Ewald (2012). Modeling time table based tram traffic. Simulation Notes Europe, 22 (2). pp. 61-68. ARGESIM / ASIM Pub. TU Vienna/Austria.

Petzold, Martin, Ullrich, Oliver and Speckenmeyer, Ewald (2011). Dynamic Distributed Simulation of DEVS Models on the OSGi Service Platform. In: 21. Symposium Simulationstechnik : ASIM 2011 ; Grundlagen, Methoden und Anwendungen in Modellbildung und Simulation ; 7. - 9. September 2011, ZHAW, Winterthur, Schweiz, Pabst Science Publ..

Schmitz, Jan, Komorowski, Matthieu, Russomano, Thais ORCID: 0000-0002-1633-4449, Ullrich, Oliver and Hinkelbein, Jochen ORCID: 0000-0003-3585-9459 (2022). Sixty Years of Manned Spaceflight-Incidents and Accidents Involving Astronauts between Launch and Landing. Aerospace, 9 (11). BASEL: MDPI. ISSN 2226-4310

Ullrich, Oliver (2014). Modellbasierte Parallelisierung von Anwendungen zur Verkehrssimulation - Ein dynamischer und adaptiver Ansatz. PhD thesis, Universität zu Köln.

Ullrich, Oliver, Lueckerath, Daniel and Speckenmeyer, Ewald (2016). Do regular timetables help to reduce delays in tram networks? It depends! Public Transport, 8 (1). S. 39 - 57. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1613-7159

Ullrich, Oliver and Lückerath, Daniel (2012). Sommertreffen Verkehrssimulation 2012. ARGESIM/ASIM Pub., TU Vienna/Austria. Ullrich, O.; Lückerath, D.(Ed.).

Ullrich, Oliver, Lückerath, Daniel, Franz, Sebastian and Speckenmeyer, Ewald (2012). Simulation and optimization of Cologne's tram schedule. Simulation Notes Europe, 22 (2). pp. 69-76. ARGESIM / ASIM Pub. TU Vienna/Austria.

Ullrich, Oliver, Lückerath, Daniel and Speckenmeyer, Ewald (2014). Reduzieren robuste Fahrpläne Verspätungen in Stadtbahnnetzen? - Es kommt drauf an! In: Heureka' 14 Optimierung in Verkehr und Transport, pp. 448-465. FGSV Verlag.

Ullrich, Oliver, Lückerath, Daniel and Speckenmeyer, Ewald (2015). A robust schedule for Montpellier's Tramway network. Simulation Notes Europe, 25 (1). pp. 1-8. ARGESIM/ASIM Pub..

Ullrich, Oliver, Proff, Ingo, Lückerath, Daniel, Kuckertz, Patrick and Speckenmeyer, Ewald (2013). Agent-based modeling and simulation of individual traffic as an environment for bus schedule simulation. In: Proceedings of mobil,

Werth, Felix, Beckers, Martin, Ullrich, Oliver and Speckenmeyer, Ewald (2010). Simulation zur Verbesserung der Logistikprozesse eines Pharmagroßhandels. In: Integrationsaspekte der Simulation: Technik, Organisation und Personal, pp. 261-268. Karlsruhe: KIT Scientific Publishing.

Werth, Felix and Ullrich, Oliver (2011). Simulation ausgewählter Heuristiken zur Tourenplanung in manuellen Kommissionierstationen. In: Tagungsband / ASIM-Konferenz STS GMMS 2011 : 24. bis 25. Februar 2011 in Krefeld, pp. 161-166. Shaker Verlag.

Werth, Felix, Ullrich, Oliver and Speckenmeyer, Ewald (2011). Reducing blocking effects in multi-block layouts. In: 21. Symposium Simulationstechnik : ASIM 2011 ; Grundlagen, Methoden und Anwendungen in Modellbildung und Simulation ; 7. - 9. September 2011, ZHAW, Winterthur, Schweiz, Pabst Science Publ..