Stephan Westphal

According to our database1, Stephan Westphal authored at least 36 papers between 2006 and 2021.

Collaborative distances:



In proceedings 
PhD thesis 




A branch & bound algorithm to determine optimal bivariate splits for oblique decision tree induction.
Appl. Intell., 2021

An Auction-based Mechanism for the Formation and Scheduling of Heterogeneous Human-machine Teams.
Proceedings of the IEEE International Conference on Industrial Engineering and Engineering Management, 2021

Engineering Human-Machine Teams for Trusted Collaboration.
Big Data Cogn. Comput., 2020

A branch & bound algorithm to determine optimal cross-splits for decision tree induction.
Ann. Math. Artif. Intell., 2020

A Multi-Round Auction for Staff to Job Assignment Under Myopic Best Response Dynamics.
Proceedings of the IEEE International Conference on Industrial Engineering and Engineering Management, 2020

Full implementation of social choice functions in dominant strategies.
Int. J. Game Theory, 2019

Cross-provider Platoons for Same-day Delivery.
Proceedings of the 5th International Conference on Vehicle Technology and Intelligent Transport Systems, 2019

Online interval scheduling with a bounded number of failures.
J. Sched., 2017

The online knapsack problem with incremental capacity.
Math. Methods Oper. Res., 2016

A combined local search and integer programming approach to the traveling tournament problem.
Ann. Oper. Res., 2016

A column generation approach for optimized routing and coordination of a UAV fleet.
Proceedings of the 2016 IEEE International Symposium on Safety, 2016

An optimal randomized online algorithm for the k-Canadian Traveller Problem on node-disjoint paths.
J. Comb. Optim., 2015

Packing items into several bins facilitates approximating the separable assignment problem.
Inf. Process. Lett., 2015

An application of deterministic and robust optimization in the wood cutting industry.
4OR, 2015

Scheduling the German Basketball League.
Interfaces, 2014

A 5.875-approximation for the Traveling Tournament Problem.
Ann. Oper. Res., 2014

Maximum Generalized Assignment with Convex Costs.
Proceedings of the Combinatorial Optimization - Third International Symposium, 2014

Solving the Traveling Tournament Problem by Packing Three-Vertex Paths.
Proceedings of the Twenty-Eighth AAAI Conference on Artificial Intelligence, 2014

Sports Scheduling: Minimizing Travel for English Football Supporters.
Proceedings of the Automated Scheduling and Planning - From Theory to Practice, 2013

Complexity and approximability of the maximum flow problem with minimum quantities.
Networks, 2013

A Constant Factor Approximation for the Generalized Assignment Problem with Minimum Quantities and Unit Size Items.
Proceedings of the Mathematical Foundations of Computer Science 2013, 2013

Online Job Admission.
Proceedings of the Fundamental Problems in Computing, 2013

Approximation algorithms for TTP(2).
Math. Methods Oper. Res., 2012

Complexity of the traveling tournament problem.
Theor. Comput. Sci., 2011

Interval scheduling on related machines.
Comput. Oper. Res., 2011

Online scheduling of weighted equal-length jobs with hard deadlines on parallel machines.
Comput. Oper. Res., 2011

MIP Formulations for Flowshop Scheduling with Limited Buffers.
Proceedings of the Theory and Practice of Algorithms in (Computer) Systems, 2011

Approximating the Traveling Tournament Problem with Maximum Tour Length 2.
Proceedings of the Algorithms and Computation - 21st International Symposium, 2010

New lower bounds for online k-server routing problems.
Inf. Process. Lett., 2009

A monotone approximation algorithm for scheduling with precedence constraints.
Oper. Res. Lett., 2008

Approximation algorithms for a vehicle routing problem.
Math. Methods Oper. Res., 2008

A note on the k-Canadian Traveller Problem.
Inf. Process. Lett., 2008

Pruning in column generation for service vehicle dispatching.
Ann. Oper. Res., 2008

Improved Construction Heuristics and Iterated Local Search for the Routing and Wavelength Assignment Problem.
Proceedings of the Evolutionary Computation in Combinatorial Optimization, 2008

Competitive Algorithms for Cottage Rental.
Electron. Notes Discret. Math., 2006

Online-Optimization of Large-Scale Vehicle Dispatching Problems.
Electron. Notes Discret. Math., 2006