Prof. Dr. Nicole Megow - Publications

2021

Orienting (Hyper)graphs Under Explorable Stochastic Uncertainty pdf
Evripidis Bampis, Christoph Dürr, Thomas Erlebach, Murilo S. de Lima, Nicole Megow, Jens Schlöter
Accepted for publication at ESA 2021

Optimal Algorithms for Scheduling under Time-of-Use Tariffs pdf DOI
Lin Chen, Nicole Megow, Roman Rischke, Leen Stougie and Jose Verschae
Accepted for publication at Annals or Operations Research, 2021

Throughput Scheduling with Equal Additive Laxity springer.com
Martin Böhm, Nicole Megow, Jens Schlöter
CIAC 2021

Speed-Robust Scheduling arxiv.org
Franziska Eberle, Ruben Hoeksma, Nicole Megow, Lukas Nölke, Kevin Schewior, Bertrand Simon
IPCO 2021

2020

Minimum Spanning Tree under Explorable Uncertainty in Theory and Experiments
Jacob Focke, Nicole Megow, Julie Meißner
ACM Journal of Experimental Algorithmics 25(1), Article 1.14, 2020.

Computing a Minimum-Cost k-hop Steiner Tree in Tree-Like Metrics PDF
M. Böhm, R. Hoeksma, N. Megow, L. Nölke and B. Simon
In Proc. of the 45th International Symposium on Mathematical Foundations of Computer Science 18:1-18:15 (MFCS2020)

An Adversarial Model for Scheduling with Testing
Christoph Dürr, Thomas Erlebach, Nicole Megow and Julie Meißner
Algorithmica 82(12): 3630-3675, 2020

Online Minimum Cost Matching with Recourse on the Line PDF
N. Megow and L. Nölke.
In Proc. of the 23rd International Workshop on Approximation Algorithms for Combinatorial Optimization Problems 37:1-37:16 (APPROX 2020)

Optimally Handling Commitment Issues in Online Throughput Maximization pdf dagstuhl.de
F. Eberle, N. Megow, and K. Schewior.
Proceedings of ESA 2020, pp. 41:1-41:15, 2020.

On the Complexity of Conditional DAG Scheduling in Multiprocessor Systems
A. Marchetti-Spaccamela, N. Megow, J. Schlöter, M. Skutella, and L. Stougie
Proceedings of IPDPS 1061-1070, 2020

A General Framework for Handling Commitment in Online Throughput Maximization pdf springer.com
L. Chen, F. Eberle, N. Megow, K. Schewior, and C. Stein.
Mathematical Programming 183(1): 215-247, 2020

2019

A General Framework for Handling Commitment in Online Throughput Maximization pdf springer.com
L. Chen, F. Eberle, N. Megow, K. Schewior, C. Stein.
Proceedings of IPCO 2019, pp. 141-154, 2019.

Scheduling Self-Suspending Tasks: New and Old Results
J.J. Chen, R. Hoeksma, T. Hahn, N. Megow, G. von der Brueggen
Proceedings of ECRTS, 16:1-16:23, 2019.

On Index Policies for Stochastic Minsum Scheduling sciencedirect.com
F. Eberle, F. Fischer, J. Matuschke, N. Megow
Operations Research Letters, 47(3): 213-218, 2019.

Scheduling Maintenance Jobs in Networks PDF
F. Abed, L. Chen, Y. Disser, M. Groß, J. Meißner, N. Megow, A.T. Richter, R. Rischke
Theoretical Computer Science 754: 107-121, 2019. Special issue of STACS (invited).

2018

Scheduling with Explorable Uncertainty PDF springer.com
C. Dürr, T. Erlebach, J. Meißner and N. Megow.
In Proc. of the 9th Innovations in Theoretical Computer Science Conference (ITCS 2018), 30:1-30:14, 2018.

An O(log m)-Competitive Algorithm for Online Machine Minimization PDF siam.org
L. Chen, N. Megow, K. Schewior
SIAM Journal on Computing 47(6), 2057–2077, 2018.

Dual techniques for scheduling on a machine with varying speed PDF siam.org
N. Megow, J. Verschae
SIAM Journal on Discrete Mathematics 32(3): 1541-1571, 2018.

2017

Minimum Spanning Tree under Explorable Uncertainty in Theory and Experiments PDF
J. Focke, J. Meißner, N. Megow
In Proc. of the 16th International Symposium on Experimental Algorithms (SEA 2017), LIPIcs, Article No. 22; pp. 22:1–22:14, 2017.

Scheduling Maintenance Jobs in Networks PDF
F. Abed, L. Chen, Y. Disser, M. Groß, J. Meißner, N. Megow, A.T. Richter and R. Rischke
In Proc. of the 10th International Conference on Algorithms and Complexity (CIAC 2017), LNCS 10236, pp. 19–30, 2017.

Randomization Helps Computing a Minimum Spanning Tree under Uncertainty PDF
J. Meißner, N. Megow, M. Skutella
SIAM Journal on Computing 46(4): 1217-1240, 2017.

Packing a Knapsack of Unknown Capacity PDF
Y. Disser, M. Klimm, N. Megow, S. Stiller
SIAM Journal on Discrete Mathematics 31(3): 1477-1497, 2017.

2016

The Power of Migration in Online Machine Minimization PDF
L. Chen, N Megow and K. Schewior
In Proc. of the 28th ACM Symposium on Parallelism in Algorithms and Architectures (SPAA 2016), pp. 175-184, 2016.

An O(log m)-Competitive Algorithm for Online Machine Minimization PDF
L. Chen, N. Megow and K. Schewior
In Proc. of the 27th ACM-SIAM Symposium on Discrete Algorithms (SODA 2016), pp. 155-163, 2016.

A New Approach to Online Scheduling: Approximating the Optimal Competitive Ratio
E. Lübbecke, O. Maurer, N. Megow, A. Wiese
ACM Transactions on Algorithms 13(1), pp. 15:1-15:34, 2016.

The Power of Recourse for Online MST and TSP PDF
N. Megow, M. Skutella, J. Verschae, A. Wiese
SIAM Journal on Computing. 45-3, pp. 859-880, 2016

Universal Sequencing on an Unreliable Machine
N. Megow, Julian Mestre
Encyclopedia of Algorithms 2016: 2304-2308.

2015

Randomization Helps Computing a Minimum Spanning Tree under Uncertainty PDF
J. Meißner, N. Megow and M. Skutella
In Proc. of the 23rd European Symposium on Algorithms (ESA 2015), LNCS 9294, pp. 878-890, Springer, 2015.

Stochastic and Robust Scheduling in the Cloud PDF
L. Chen, N. Megow, R. Rischke and L. Stougie
In Proc. of the 18th International Workshop on Approximation Algorithms for Combinatorial Optimization Problems (APPROX 2015), LIPIcs 40, pp. 175-186, 2015.

Optimal Algorithms and a PTAS for Cost-Aware Scheduling
L. Chen, n. Megow, R. Rischke, L. Stougie and J. Verschae
In Proc. of the 40th International Symposium on Mathematical Foundations of Computer Science (MFCS 2015), LNCS 9235, pp. 211-222, 2015.

Packing a Knapsack of Unknown Capacity PDF
Y. Disser, M. Klimm, N. Megow, S. Stiller
In Proc. of the 31st Symposium on Theoretical Aspects of Computer Science (STACS 2015), pp. 276-287, 2015

Meeting deadlines: How much speed suffices? PDF PDF
S. Anand, N. Garg, N. Megow
In Proc. of the 38th International Colloquium on Automata, Languages and Programming (ICALP 2011), LNCS 6755, pages 232-243, Springer, 2011.
Erratum for "Meeting deadlines: How much speed suffices?", 2015.

Clique partitioning with value-monotone submodular cost PDF
J. Correa, N. Megow
Discrete Optimization, Vol. 15, pp. 26-36, 2015.

Robustness and Approximation for Universal Sequencing
Gems of Combinatorial Optimization and Graph Algorithms 2015: 133-141.

2014

Scheduling and Packing Malleable and Parallel Tasks with Precedence Constraints of Bounded Width PDF
E. Günther, F. König, N. Megow
Journal of Combinatorial Optimization, Vol. 27, pp. 164-181, 2014.

A Tight 2-Approximation for Preemptive Stochastic Scheduling PDF
N. Megow, T. Vredeveld
Mathematics of Operations Research, Vol. 39, pp. 1297-1310, 2014

An Gap example on the (W)SEPT Policy
W.C. Cheung, F. Fischer, J. Matuschke, N. Megow
2014.

2013

Polynomial-time exact schedulability tests for harmonic real-time tasks PDF
V. Bonifaci, A Marchetti-Spaccamela, N. Megow, A. Wiese
In Proc. of the 34th IEEE Real-Time Systems Symposium (RTSS 2013), pp. 236-245, 2013.

Dual techniques for scheduling on a machine with varying speed PDF
N. Megow, J. Verschae
In Proc. of the 40th International Colloquium on Automata, Languages and Programming (ICALP 2013), LNCS 7965, pp. 745-756, Springer, 2013.

Instance-sensitive robustness guarantees for sequencing with unknown packing and covering constraints PDF
N. Megow, J. Mestre
In Proc. of the 4th Conference on Innovations in Theoretical Computer Science (ITCS 2013), pp. 495-504, 2013.

A New Approach to Online Scheduling: Approximating the Optimal Competitive Ratio PDF
E. Günther, O. Maurer, N. Megow, A. Wiese
In Proc. of the 24st Annual ACM-SIAM Symposium on Discrete Algorithms (SODA 2013), pp. 118-128, 2013.

2012

The Power of Recourse for Online MST and TSP
N. Megow, M. Skutella, J. Verschae, A. Wiese
In Proc. of the 39th International Colloquium on Automata, Languages and Programming (ICALP 2012), LNCS 7391, pages 689-700, Springer, 2012.

On Eulerian extensions and their application to no-wait flowshop scheduling PDF
W. Höhn, T. Jacobs, N. Megow
Journal of Scheduling, Vol. 15, pp. 295-309, 2012.

Algorithms and Complexity for Periodic Real-Time Scheduling PDF
V. Bonifaci, H.-L. Chan, A. Marchetti-Spaccamela
ACM Transactions on Algorithms, Vol. 9, pp. 601-619, 2012.

Scheduling real-time mixed-criticality jobs PDF1 PDF2
S. Baruah, V. Bonifaci, G. D'Angelo, H. Li, A. Marchetti-Spaccamela, N. Megow, Stougie, L.
IEEE Transactions on Computers, Vol. 61, pp. 1140-1152, 2012.

A note on sorting buffers offline PDF
H.-L. Chan, N. Megow, R. Sitters, R. van Stee
Theoretical Computer Science, Vol. 423, pp. 11-18, 2012.

Universal sequencing on a single unreliable machine PDF
L. Epstein, A. Levin, N. Megow, J. Mestre, A. Marchetti-Spaccamela, M. Skutella, L Stougie
SIAM Journal on Computing, Vol. 41, pp. 565-586, 2012.

Online graph exploration: New results on old and new algorithms PDF
K. Mehlhorn, N. Megow, P. Schweitzer
Theoretical Computer Science, Vol. 463, pp. 62-72, 2012.
Special Issue on Theory and Applications of Graph Searching Problems.

2011

Online Graph Exploration: New Results on Old and New Algorithms
N. Megow, K. Mehlhorn, P. Schweitzer
In Proc. of the 38th International Colloquium on Automata, Languages and Programming (ICALP 2011), LNCS 6756, pages 478-489, Springer, 2011.

Decision Support and Optimization in Shutdown and Turnaround Scheduling PDF
N. Newog, R. Möhring, J. Schulz
INFORMS J. on Computing, Vol. 23, pp. 189-204, 2011.

2010

Scheduling real-time mixed-criticality jobs
S. Baruah, V. Bonifaci, G. D'Angelo, H. Li, A. Marchetti-Spaccamela, N. Megow, L. Stougie
In Proc. of the 35th International Symposium on Mathematical Foundations of Computer Science (MFCS 2010), LNCS 6281, pages 90-101. Springer, 2010.

Universal sequencing on a single machine
L. Epstein, A. Levin, A. Marchetti-Spaccamela, N. Megow, J. Mestre, M. Skutella, L. Stougie
In Proc. of the 14th Conference on Integer Programming and Combinatorial Optimization (IPCO 2010), LNCS 6080, pages 230-243. Springer, 2010.

Algorithms and Complexity for Periodic Real-Time Scheduling
V. Bonifaci, H.-L. Chan, A. Marchetti-Spaccamela, N. Megow
In Proc. of the 21st Annual ACM-SIAM Symposium on Discrete Algorithms (SODA 2010), pages 1350-1359, 2010.

2009

Scheduling and Packing Malleable Tasks with Precedence Constraints of Bounded Width
E. Günther, F. König, N. Megow
In Proc. of the 7th Workshop on Approximation and Online Algorithms (WAOA 2009), LNCS 5893, pages 170-181. Springer, 2010.

Cardinality Constrained Graph Partitioning into Cliques with Submodular Costs
J.R. Correa, R. Raman, K. Suchan
In 8th Cologne-Twente Workshop on Graphs and Combinatorial Optimization (CTW 2009), Paris, France, 2009.

Keller oder Dach zuerst.
In K. Biermann, M. Grötschel, and B. Lutz-Westphal, editors, Besser als Mathe: Moderne angewandte Mathematik aus dem Matheon zum Mit- machen, pages 111–115. Vieweg+Teubner, 2009.

2008

Coping with incomplete information in scheduling - stochastic and online models
In Operations Research Proceedings, Springer, pages 17-22, 2008.
Invited submission for winner of the Dissertation Award of the German Operations Research Society (GOR).

Optimizing the Landside Operation of a Container Terminal PDF
E. Duane, G. Froyland, T. Koch, N. Megow, H. Wren
OR Spectrum, Vol. 30, pp. 53-75, 2008.

Short note on scheduling on a single machine with one non-availability period PDF
N. Megow, Jose Verschae
2008.

2007

Coping with Incomplete Information in Scheduling - Stochastic and Online Models
N. Megow
Dissertation, Technische Universität Berlin, 2006. Cuvillier Göttingen, 2007.

2006

Approximation in Preemptive Stochastic Online Scheduling
N. Megow, T. Vredeveld
In Proc. of the 14th European Symposium on Algorithms (ESA 2006), LNCS 4168, pages 516-527, 2006.

Models and Algorithms for Stochastic Online Scheduling PDF
N. Megow, M. Uetz, T. Vredeveld
Mathematics of Operations Research, Vol. 31, pp. 513-525, 2006.

How to whack moles PDF
S. Gutiérrez, S.O. Krumke, N. Megow, T. Vredeveld
Theoretical Computer Science, Vol. 361, pp. 329-341, 2006.

2005

The Online Target Date Assignment Problem
S. Heinz, N. Megow, J. Rambau, S.O. Krumke, A. Tuchscherer, T. Vredeveld
In Proc. of the 3rd Workshop on Approximation and Online Algorithms (WAOA 2005), LNCS 3879, pages 230-243, 2006.

Stochastic Online Scheduling on Parallel Machines
N. Megow, M. Uetz, T. Vredeveld
In Proc. of the 2nd Workshop on Approximation and Online Algorithms (WAOA 2004), LNCS 3351, pages 167-180, 2005.

2004

How to Whack Moles
S.O. Krumke, N. Megow, T. Vredeveld
In Proc. of the First Workshop on Approximation and Online Algorithms (WAOA 2003), LNCS 2909, pages 192-205, 2004.

Scheduling to Minimize Average Completion Time Revisited: Deterministic On-Line Algorithms
N. Megow, A.S. Schulz
In Proc. of the First Workshop on Approximation and Online Algorithms (WAOA 2003), LNCS 2909, pages 227-234, 2004.

On-line scheduling to minimize average completion time revisited PDF
N. Megow, A.S. Schulz
Operations Research Letters, Vol. 32, pp. 485-490, 2004.

2002

Performance analysis of on-line algorithms in machine scheduling
Diploma thesis, Technische Universität Berlin, 2002.

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