Walter J. Gutjahr
According to our database1, Walter J. Gutjahr
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Efficient pairwise preference elicitation allowing for indifference.
Computers & OR, 2017
Modelling beneficiaries' choice in disaster relief logistics.
Annals OR, 2017
Bi-objective stochastic programming models for determining depot locations in disaster relief operations.
Multicriteria optimization in humanitarian aid.
European Journal of Operational Research, 2016
Stochastic multi-objective optimization: a survey on non-scalarizing methods.
Annals OR, 2016
Bi-Objective Multi-Mode Project Scheduling Under Risk Aversion.
European Journal of Operational Research, 2015
Using Indifference Information in Robust Ordinal Regression.
Proceedings of the Evolutionary Multi-Criterion Optimization, 2015
A math-heuristic for the warehouse location-routing problem in disaster relief.
Computers & OR, 2014
Runtime Analysis of an Evolutionary Algorithm for Stochastic Multi-Objective Combinatorial Optimization.
Evolutionary Computation, 2012
The bi-objective stochastic covering tour problem.
Computers & OR, 2012
Exact hybrid algorithms for solving a bi-objective vehicle routing problem.
A Three-Objective Optimization Approach to Cost Effectiveness Analysis Under Uncertainty.
Proceedings of the Operations Research Proceedings 2012, 2012
Recent trends in metaheuristics for stochastic combinatorial optimization.
Central Europ. J. Computer Science, 2011
A Bi-objective Metaheuristic for Disaster Relief Operation Planning.
Proceedings of the Advances in Multi-Objective Nature Inspired Computing, 2010
Convergence Analysis of Metaheuristics.
Proceedings of the Matheuristics - Hybridizing Metaheuristics and Mathematical Programming, 2010
Dynamic Policy Modeling for Chronic Diseases: Metaheuristic-Based Identification of Pareto-Optimal Screening Strategies.
Operations Research, 2010
Multi-objective decision analysis for competence-oriented project portfolio selection.
European Journal of Operational Research, 2010
A survey on metaheuristics for stochastic combinatorial optimization.
Natural Computing, 2009
A multicriteria Decision Support System for Competence-Driven Project Portfolio Selection.
International Journal of Information Technology and Decision Making, 2009
A provably convergent heuristic for stochastic bicriteria integer programming.
J. Heuristics, 2009
Search-based software engineering.
Computers & OR, 2008
First steps to the runtime complexity analysis of ant colony optimization.
Computers & OR, 2008
Competence-driven project portfolio selection, scheduling and staff assignment.
Mathematical runtime analysis of ACO algorithms: survey on an emerging issue.
Swarm Intelligence, 2007
Multicriteria tour planning for mobile healthcare facilities in a developing country.
European Journal of Operational Research, 2007
An ACO algorithm for a dynamic regional nurse-scheduling problem in Austria.
Computers & OR, 2007
Combined Discrete-event Simulation and Ant Colony Optimisation Approach for Selecting Optimal Screening Policies for Diabetic Retinopathy.
Comput. Manag. Science, 2007
A VNS Algorithm for Noisy Problems and Its Application to Project Portfolio Analysis.
Proceedings of the Stochastic Algorithms: Foundations and Applications, 2007
Enriched workflow modelling and Stochastic Branch-and-Bound.
European Journal of Operational Research, 2006
Pareto ant colony optimization with ILP preprocessing in multiobjective project portfolio selection.
European Journal of Operational Research, 2006
Interaction dynamics of two reinforcement learners.
Two Metaheuristics for Multiobjective Stochastic Combinatorial Optimization.
Proceedings of the Stochastic Algorithms: Foundations and Applications, 2005
Pareto Ant Colony Optimization: A Metaheuristic Approach to Multiobjective Portfolio Selection.
Annals OR, 2004
S-ACO: An Ant-Based Approach to Combinatorial Optimization Under Uncertainty.
Proceedings of the Ant Colony Optimization and Swarm Intelligence, 2004
A Converging ACO Algorithm for Stochastic Combinatorial Optimization.
Proceedings of the Stochastic Algorithms: Foundations and Applications, 2003
Extracting Test Sequences from a Markov Software Usage Model by ACO.
Proceedings of the Genetic and Evolutionary Computation, 2003
ACO algorithms with guaranteed convergence to the optimal solution.
Inf. Process. Lett., 2002
Using a Reliability Growth Model to Control Software Inspection.
Empirical Software Engineering, 2002
A branch-and-bound approach to the optimization of redundant software under failure correlation.
Computers & OR, 2002
A reliability model for nonhomogeneous redundant software versions with correlated failures.
Comput. Syst. Sci. Eng., 2001
Influence Of Team Size And Defect Detection Technique On Inspection Effectiveness.
Proceedings of the 7th IEEE International Software Metrics Symposium (METRICS 2001), 2001
Software dependability evaluation based on Markov usage models.
Perform. Eval., 2000
Representation and optimization of software usage models with non-Markovian state transitions.
Information & Software Technology, 2000
A Stochastic Branch-and-Bound Approach to Activity Crashing in Project Management.
INFORMS Journal on Computing, 2000
A Graph-based Ant System and its convergence.
Future Generation Comp. Syst., 2000
Crashing of stochastic processes by sampling and optimisation.
Business Proc. Manag. Journal, 2000
Partition Testing vs. Random Testing: The Influence of Uncertainty.
IEEE Trans. Software Eng., 1999
Optimal stochastic single-machine-tardiness scheduling by stochastic branch-and-bound.
European Journal of Operational Research, 1999
Reliability optimization of redundant software with correlated failures.
Proceedings of the Ninth International Symposium on Software Reliability Engineering, 1998
Task Assignment in Cayley Interconnection Topologies.
Parallel Computing, 1997
Simulated Annealing for noisy cost functions.
J. Global Optimization, 1996
Optimal Test Distributions for Software Failure Cost Estimation.
IEEE Trans. Software Eng., 1995
Connection Reliabilities in Stochastic Acyclic Networks.
Random Struct. Algorithms, 1994
A global optimization problem in series-parallel networks with maximum reliability.
J. Global Optimization, 1994
Expectation Transfer between Branching Processes and Random Trees.
Random Struct. Algorithms, 1993
Automatische Testdatengenerierung zur Unterstützung des Softwaretests.
Inform., Forsch. Entwickl., 1993
The Variance of Level Numbers in Certain Families of Trees.
Random Struct. Algorithms, 1992
The limiting common distribution of two leaf heights in a random brinary tree.
The asymptotic distribution of leaf heights in binary trees.
Graphs and Combinatorics, 1992
Uniform random generation of expressions respecting algebraic identities.