Scalable Algorithms (ITI)

2024

Thomas Bläsius, Philipp Fischbeck
On the External Validity of Average-case Analyses of Graph Algorithms.
ACM Transactions on Algorithms (TALG) 2024
Tobias Bleifuß, Thorsten Papenbrock, Thomas Bläsius, Martin Schirneck, Felix Naumann
Discovering Functional Dependencies through Hitting Set Enumeration.
Proceedings of the ACM on Management of Data 2024
Thomas Bläsius, Sarel Cohen, Philipp Fischbeck, Tobias Friedrich, Martin S. Krejca
Robust Parameter Fitting to Realistic Network Models via Iterative Stochastic Approximation (Data and Code).
2024
Tobias Friedrich, Andreas Göbel, Maximilian Katzmann, Leon Schiller
Cliques in High-Dimensional Geometric Inhomogeneous Random Graphs.
SIAM Journal on Discrete Mathematics 2024
Tobias Friedrich, Andreas Göbel, Maximilian Katzmann, Leon Schiller
Real-World Networks Are Low-Dimensional: Theoretical and Practical Assessment.
International Joint Conference on Artificial Intelligence (IJCAI) 2024

2023

Thomas Bläsius, Tobias Friedrich, Martin S. Krejca, Louise Molitor
The impact of geometry on monochrome regions in the flip Schelling process.
Computational Geometry 2023
Thomas Bläsius, Philipp Fischbeck, Tobias Friedrich, Maximilian Katzmann
Solving Vertex Cover in Polynomial Time on Hyperbolic Random Graphs.
Theory of Computing Systems 2023
Thomas Bläsius, Tobias Friedrich, Maximilian Katzmann, Daniel Stephan
Strongly Hyperbolic Unit Disk Graphs.
Symposium on Theoretical Aspects of Computer Science (STACS) 2023
Maximilian Böther, Otto Kißig, Christopher Weyand
Efficiently Computing Directed Minimum Spanning Trees.
Workshop on Algorithm Engineering and Experimentation (ALENEX) 2023
Thomas Bläsius, Adrian Feilhauer, Jannik Westenfelder
Dynamic Flows with Time-Dependent Capacities.
International/Italian Conference on Algorithms and Complexity (CIAC) 2023
Lukas Behrendt, Katrin Casel, Tobias Friedrich, J. A. Gregor Lagodzinski, Alexander Löser, Marcus Wilhelm
From symmetry to asymmetry: Generalizing TSP approximations by parametrization.
Journal of Computer and System Sciences (JCSS) 2023
Christopher Weyand
Geometric Inhomogeneous Random Graphs for Algorithm Engineering.
Karlsruhe Institute of Technology, Germany 2023
Thomas Bläsius, Marcus Wilhelm
Deterministic Performance Guarantees for Bidirectional BFS on Real-World Networks.
International Workshop on Combinatorial Algorithms (IWOCA) 2023
Tobias Friedrich, Andreas Göbel, Maximilian Katzmann, Leon Schiller
Cliques in High-Dimensional Geometric Inhomogeneous Random Graphs.
International Colloquium on Automata, Languages and Programming (ICALP) 2023
Thomas Bläsius, Maximilian Katzmann, Marcus Wilhelm
Partitioning the Bags of a Tree Decomposition into Cliques.
Symposium on Experimental and Efficient Algorithms (SEA) 2023
Thomas Bläsius, Tobias Friedrich, Maximilian Katzmann, Janosch Ruff, Ziena Zeif
On the Giant Component of Geometric Inhomogeneous Random Graphs.
European Symposium on Algorithms (ESA) 2023
Thomas Bläsius, Max Göttlicher
An Efficient Algorithm for Power Dominating Set.
European Symposium on Algorithms (ESA) 2023
Thomas Bläsius, Simon D. Fink, Ignaz Rutter
Synchronized Planarity with Applications to Constrained Planarity Problems.
ACM Transactions on Algorithms (TALG) 2023
Thomas Bläsius, Tobias Friedrich, Maximilian Katzmann
Efficiently Approximating Vertex Cover on Scale-Free Networks with Underlying Hyperbolic Geometry.
Algorithmica 2023
Thomas Bläsius, Tobias Friedrich, Andreas Göbel, Jordi Levy, Ralf Rothenberger
The impact of heterogeneity and geometry on the proof complexity of random satisfiability.
Random Structures and Algorithms 2023
Maximilian Katzmann
About the analysis of algorithms on networks with underlying hyperbolic geometry (Über die Analyse von Algorithmen auf Netzwerken mit zugrundeliegender hyperbolischer Geometrie)
University of Potsdam, Germany 2023
Davin Jeong, Allison Gunby-Mann, Sarel Cohen, Maximilian Katzmann, Chau Pham, Arnav Bhakta, Tobias Friedrich, Peter Chin
Deep Distance Sensitivity Oracles.
International Workshop on Complex Networks & Their Applications (COMPLEX NETWORKS) 2023
Vanja Doskoc, Tobias Friedrich, Niko Hastrich, Maximilian Katzmann
Code for: Faster Nearest Neighbors Queries on Geographic Data.
2023

2022

Thomas Bläsius, Tobias Friedrich, Andreas Göbel, Jordi Levy, Ralf Rothenberger
The Impact of Heterogeneity and Geometry on the Proof Complexity of Random Satisfiability.
ACM-SIAM Symposium on Discrete Algorithms (SODA) 2022
Thomas Bläsius, Tobias Friedrich, David Stangl, Christopher Weyand
An Efficient Branch-and-Bound Solver for Hitting Set.
Workshop on Algorithm Engineering and Experimentation (ALENEX) 2022
Tobias Friedrich, Andreas Göbel, Maximilian Katzmann, Martin S. Krejca, Marcus Pappik
Algorithms for Hard-Constraint Point Processes via Discretization.
International Computing and Combinatorics Conference (COCOON) 2022
Max Göttlicher, Matthias Wolf
A genetic algorithm for finding microgrid cable layouts.
Energy-Efficient Computing and Networking (e-Energy) 2022
Thomas Bläsius, Philipp Fischbeck
On the External Validity of Average-Case Analyses of Graph Algorithms.
European Symposium on Algorithms (ESA) 2022
Sebastian Angrick, Ben Bals, Niko Hastrich, Maximilian Kleissl, Jonas Schmidt, Vanja Doskoc, Louise Molitor, Tobias Friedrich, Maximilian Katzmann
Towards explainable real estate valuation via evolutionary algorithms.
Annual Conference on Genetic and Evolutionary Computation (GECCO) 2022
Hjalmar Schulz, André Nichterlein, Rolf Niedermeier, Christopher Weyand
Applying a Cut-Based Data Reduction Rule for Weighted Cluster Editing in Polynomial Time.
International Symposium on Parameterized and Exact Computation (IPEC) 2022
Thomas Bläsius, Philipp Fischbeck, Lars Gottesbüren, Michael Hamann, Tobias Heuer, Jonas Spinner, Christopher Weyand, Marcus Wilhelm
A Branch-And-Bound Algorithm for Cluster Editing.
Symposium on Experimental and Efficient Algorithms (SEA) 2022
Thomas Bläsius, Tobias Friedrich, Julius Lischeid, Kitty Meeks, Martin Schirneck
Efficiently enumerating hitting sets of hypergraphs arising in data profiling.
Journal of Computer and System Sciences (JCSS) 2022
Thomas Bläsius, Tobias Friedrich, Maximilian Katzmann, Ulrich Meyer, Manuel Penschuck, Christopher Weyand
Efficiently generating geometric inhomogeneous and hyperbolic random graphs.
Network Science 2022
Thomas Bläsius, Cedric Freiberger, Tobias Friedrich, Maximilian Katzmann, Felix Montenegro-Retana, Marianne Thieffry
Efficient Shortest Paths in Scale-Free Networks with Underlying Hyperbolic Geometry.
ACM Transactions on Algorithms (TALG) 2022
Thomas Bläsius, Tobias Friedrich, Martin Schirneck
The complexity of dependency detection and discovery in relational databases.
Theoretical Computer Science 2022
Torsten Ueckerdt, David R. Wood, Wendy Yi
An Improved Planar Graph Product Structure Theorem.
The Electronic Journal of Combinatorics 2022

2021

Thomas Bläsius, Tobias Friedrich, Maximilian Katzmann
Efficiently Approximating Vertex Cover on Scale-Free Networks with Underlying Hyperbolic Geometry.
European Symposium on Algorithms (ESA) 2021
Thomas Bläsius, Tobias Friedrich, Christopher Weyand
Efficiently Computing Maximum Flows in Scale-Free Networks.
European Symposium on Algorithms (ESA) 2021
Thomas Bläsius, Simon D. Fink, Ignaz Rutter
Synchronized Planarity with Applications to Constrained Planarity Problems.
European Symposium on Algorithms (ESA) 2021
Lukas Behrendt, Katrin Casel, Tobias Friedrich, J. A. Gregor Lagodzinski, Alexander Löser, Marcus Wilhelm
From Symmetry to Asymmetry: Generalizing TSP Approximations by Parametrization.
International Symposium on Fundamentals of Computation Theory (FCT) 2021
Thomas Bläsius, Tobias Friedrich, Martin S. Krejca, Louise Molitor
The Impact of Geometry on Monochrome Regions in the Flip Schelling Process.
International Symposium on Algorithms and Computation (ISAAC) 2021
Thomas Bläsius, Philipp Fischbeck, Lars Gottesbüren, Michael Hamann, Tobias Heuer, Jonas Spinner, Christopher Weyand, Marcus Wilhelm
PACE Solver Description: The KaPoCE Exact Cluster Editing Algorithm.
International Symposium on Parameterized and Exact Computation (IPEC) 2021
Thomas Bläsius, Philipp Fischbeck, Lars Gottesbüren, Michael Hamann, Tobias Heuer, Jonas Spinner, Christopher Weyand, Marcus Wilhelm
PACE Solver Description: KaPoCE: A Heuristic Cluster Editing Algorithm.
International Symposium on Parameterized and Exact Computation (IPEC) 2021
Thomas Bläsius, Tobias Friedrich, Andreas Göbel, Jordi Levy, Ralf Rothenberger
The Impact of Heterogeneity and Geometry on the Proof Complexity of Random Satisfiability.
ACM-SIAM Symposium on Discrete Algorithms (SODA) 2021
Willy Scheibel, Christopher Weyand, Joseph Bethge, Jürgen Döllner
Algorithmic Improvements on Hilbert and Moore Treemaps for Visualization of Large Tree-structured Datasets.
Eurographics Conference on Visualization (EuroVis) 2021
Thomas Bläsius, Tobias Friedrich, Maximilian Katzmann
Force-Directed Embedding of Scale-Free Networks in the Hyperbolic Plane.
Symposium on Experimental and Efficient Algorithms (SEA) 2021

2020

Thomas Bläsius, Maximilian Böther, Philipp Fischbeck, Tobias Friedrich, Alina Gries, Falk Hüffner, Otto Kißig, Pascal Lenzner, Louise Molitor, Leon Schiller, Armin Wells, Simon Wietheger
A Strategic Routing Framework and Algorithms for Computing Alternative Paths.
Algorithmic Approaches for Transportation Modeling, Optimization, and Systems (ATMOS) 2020
Valentin Buchhold, Dorothea Wagner, Tim Zeitz, Michael Zündorf
Customizable Contraction Hierarchies with Turn Costs.
Algorithmic Approaches for Transportation Modeling, Optimization, and Systems (ATMOS) 2020
Thomas Bläsius, Tobias Friedrich, Martin Schirneck
The Minimization of Random Hypergraphs.
European Symposium on Algorithms (ESA) 2020
Thomas Bläsius, Philipp Fischbeck, Tobias Friedrich, Maximilian Katzmann
Solving Vertex Cover in Polynomial Time on Hyperbolic Random Graphs.
Symposium on Theoretical Aspects of Computer Science (STACS) 2020
Thomas Bläsius, Tobias Friedrich, Maximilian Katzmann, Anton Krohmer
Hyperbolic Embeddings for Near-Optimal Greedy Routing.
ACM Journal of Experimental Algorithmics (JEA) 2020
Johann Birnick, Thomas Bläsius, Tobias Friedrich, Felix Naumann, Thorsten Papenbrock, Martin Schirneck
Hitting Set Enumeration with Partial Information for Unique Column Combination Discovery.
Proceedings of the VLDB Endowment 2020

2019

Thomas Bläsius, Tobias Friedrich, Julius Lischeid, Kitty Meeks, Martin Schirneck
Efficiently Enumerating Hitting Sets of Hypergraphs Arising in Data Profiling.
Workshop on Algorithm Engineering and Experimentation (ALENEX) 2019
Thomas Bläsius, Tobias Friedrich, Maximilian Katzmann, Ulrich Meyer, Manuel Penschuck, Christopher Weyand
Efficiently Generating Geometric Inhomogeneous and Hyperbolic Random Graphs.
European Symposium on Algorithms (ESA) 2019
Laurent Gomez, Marcus Wilhelm, José Márquez, Patrick Duverger
Security for Distributed Deep Neural Networks: Towards Data Confidentiality & Intellectual Property Protection.
International Conference on E-Business and Telecommunication Networks (ICETE) 2019
Thomas Bläsius, Tobias Friedrich, Andrew M. Sutton
On the Empirical Time Complexity of Scale-Free 3-SAT at the Phase Transition.
International Conference on Tools and Algorithms for Construction and Analysis of Systems (TACAS) 2019
Thomas Bläsius, Philipp Fischbeck, Tobias Friedrich, Martin Schirneck
Understanding the Effectiveness of Data Reduction in Public Transportation Networks.
Workshop on Algorithms and Models for the Web-Graph (WAW) 2019
Thomas Bläsius, Marcel Radermacher, Ignaz Rutter
How to Draw a Planarization.
Journal of Graph Algorithms and Applications 2019

2018

Thomas Bläsius, Tobias Friedrich, Maximilian Katzmann, Anton Krohmer
Hyperbolic Embeddings for Near-Optimal Greedy Routing.
Workshop on Algorithm Engineering and Experimentation (ALENEX) 2018
Willy Scheibel, Christopher Weyand, Jürgen Döllner
EvoCells - A Treemap Layout Algorithm for Evolving Tree Data.
International Conference on Information Visualization Theory and Applications (IVAPP) 2018
Thomas Bläsius, Cedric Freiberger, Tobias Friedrich, Maximilian Katzmann, Felix Montenegro-Retana, Marianne Thieffry
Efficient Shortest Paths in Scale-Free Networks with Underlying Hyperbolic Geometry.
International Colloquium on Automata, Languages and Programming (ICALP) 2018
Thomas Bläsius, Jan Eube, Thomas Feldtkeller, Tobias Friedrich, Martin S. Krejca, J. A. Gregor Lagodzinski, Ralf Rothenberger, Julius Severin, Fabian Sommer, Justin Trautmann
Memory-Restricted Routing with Tiled Map Data.
IEEE International Conference on Systems, Man and Cybernetics (SMC) 2018
Thomas Bläsius, Tobias Friedrich, Maximilian Katzmann, Anton Krohmer, Jonathan Striebel
Towards a Systematic Evaluation of Generative Network Models.
Workshop on Algorithms and Models for the Web-Graph (WAW) 2018
Thomas Bläsius, Tobias Friedrich, Anton Krohmer
Cliques in Hyperbolic Random Graphs.
Algorithmica 2018
Thomas Bläsius, Annette Karrer, Ignaz Rutter
Simultaneous Embedding: Edge Orderings, Relative Positions, Cutvertices.
Algorithmica 2018
Thomas Bläsius, Peter Stumpf, Torsten Ueckerdt
Local and union boxicity.
Discrete Mathematics 2018
Moritz Baum, Thomas Bläsius, Andreas Gemsa, Ignaz Rutter, Franziska Wegner
Scalable exact visualization of isocontours in road networks via minimum-link paths.
Journal of Computational Geometry (JoCG) 2018
Tobias Friedrich, Maximilian Katzmann, Anton Krohmer
Unbounded Discrepancy of Deterministic Random Walks on Grids.
SIAM Journal on Discrete Mathematics 2018
Thomas Bläsius, Tobias Friedrich, Anton Krohmer, Sören Laue
Efficient Embedding of Scale-Free Graphs in the Hyperbolic Plane.
IEEE/ACM Transactions on Networking (TON) 2018

2017

Maximilian Katzmann, Christian Komusiewicz
Systematic Exploration of Larger Local Search Neighborhoods for the Minimum Vertex Cover Problem.
AAAI Conference on Artificial Intelligence (AAAI) 2017
Robert Kovacs, Anna Seufert, Ludwig Wall, Hsiang-Ting Chen, Florian Meinel, Willi Müller, Sijing You, Maximilian Brehm, Jonathan Striebel, Yannis Kommana, Alexander Popiak, Thomas Bläsius, Patrick Baudisch
TrussFab: Fabricating Sturdy Large-Scale Structures on Desktop 3D Printers.
International Conference on Human Factors in Computing Systems (CHI) 2017
Thomas Bläsius, Marcel Radermacher, Ignaz Rutter
How to Draw a Planarization.
Conference on Current Trends in Theory and Practice of Informatics (SOFSEM) 2017
Robert Kovacs, Ludwig Wall, Anna Seufert, Hsiang-Ting Chen, Willi Müller, Florian Meinel, Yannis Kommana, Thomas Bläsius, Oliver S. Schneider, Thijs Roumen, Patrick Baudisch
Demonstrating TrussFab's Editor: Designing Sturdy Large-Scale Structures.
ACM Symposium on User Interface Software and Technology (UIST) 2017

2016

Moritz Baum, Thomas Bläsius, Andreas Gemsa, Ignaz Rutter, Franziska Wegner
Scalable Exact Visualization of Isocontours in Road Networks via Minimum-Link Paths.
European Symposium on Algorithms (ESA) 2016
Thomas Bläsius, Tobias Friedrich, Anton Krohmer
Hyperbolic Random Graphs: Separators and Treewidth.
European Symposium on Algorithms (ESA) 2016
Thomas Bläsius, Tobias Friedrich, Anton Krohmer, Sören Laue
Efficient Embedding of Scale-Free Graphs in the Hyperbolic Plane.
European Symposium on Algorithms (ESA) 2016
Thomas Bläsius, Tobias Friedrich, Martin Schirneck
The Parameterized Complexity of Dependency Detection in Relational Databases.
International Symposium on Parameterized and Exact Computation (IPEC) 2016
Thomas Bläsius, Sebastian Lehmann, Ignaz Rutter
Orthogonal graph drawing with inflexible edges.
Computational Geometry 2016
Thomas Bläsius, Ignaz Rutter
Simultaneous PQ-Ordering with Applications to Constrained Embedding Problems.
ACM Transactions on Algorithms (TALG) 2016
Thomas Bläsius, Ignaz Rutter, Dorothea Wagner
Optimal Orthogonal Graph Drawing with Convex Bend Costs.
ACM Transactions on Algorithms (TALG) 2016
Thomas Bläsius, Ignaz Rutter
A new perspective on clustered planarity as a combinatorial embedding problem.
Theoretical Computer Science 2016

2015

Thomas Bläsius, Sebastian Lehmann, Ignaz Rutter
Orthogonal Graph Drawing with Inflexible Edges.
International/Italian Conference on Algorithms and Complexity (CIAC) 2015
Md. Jawaherul Alam, Thomas Bläsius, Ignaz Rutter, Torsten Ueckerdt, Alexander Wolff
Pixel and Voxel Representations of Graphs.
International Symposium Graph Drawing and Network Visualization (GD) 2015
Thomas Bläsius
Neue Methoden für klassische Grapheinbettungsprobleme - Orthogonale Zeichnungen & bedingte Planarität.
Ausgezeichnete Informatikdissertationen 2015
Tobias Friedrich, Maximilian Katzmann, Anton Krohmer
Unbounded Discrepancy of Deterministic Random Walks on Grids.
International Symposium on Algorithms and Computation (ISAAC) 2015
Thomas Bläsius, Ignaz Rutter
Disconnectivity and relative positions in simultaneous embeddings.
Computational Geometry 2015
Thomas Bläsius
New Approaches to Classic Graph-Embedding Problems - Orthogonal Drawings & Constrained Planarity.
Karlsruhe Institute of Technology 2015

2014

Thomas Bläsius, Guido Brückner, Ignaz Rutter
Complexity of Higher-Degree Orthogonal Graph Embedding in the Kandinsky Model.
European Symposium on Algorithms (ESA) 2014
Thomas Bläsius, Ignaz Rutter
A New Perspective on Clustered Planarity as a Combinatorial Embedding Problem.
International Symposium Graph Drawing and Network Visualization (GD) 2014
Thomas Bläsius, Marcus Krug, Ignaz Rutter, Dorothea Wagner
Orthogonal Graph Drawing with Flexibility Constraints.
Algorithmica 2014
Patrizio Angelini, Thomas Bläsius, Ignaz Rutter
Testing Mutual duality of Planar graphs.
International Journal of Computational Geometry and Applications 2014

2013

Therese Biedl, Thomas Bläsius, Benjamin Niedermann, Martin Nöllenburg, Roman Prutkin, Ignaz Rutter
Using ILP/SAT to Determine Pathwidth, Visibility Representations, and other Grid-Based Graph Drawings.
International Symposium Graph Drawing and Network Visualization (GD) 2013
Thomas Bläsius, Annette Karrer, Ignaz Rutter
Simultaneous Embedding: Edge Orderings, Relative Positions, Cutvertices.
International Symposium Graph Drawing and Network Visualization (GD) 2013
Thomas Bläsius, Ignaz Rutter, Dorothea Wagner
Optimal Orthogonal Graph Drawing with Convex Bend Costs.
International Colloquium on Automata, Languages and Programming (ICALP) 2013
Patrizio Angelini, Thomas Bläsius, Ignaz Rutter
Testing Mutual Duality of Planar Graphs.
International Symposium on Algorithms and Computation (ISAAC) 2013
Thomas Bläsius, Ignaz Rutter
Simultaneous PQ-Ordering with Applications to Constrained Embedding Problems.
ACM-SIAM Symposium on Discrete Algorithms (SODA) 2013
Thomas Bläsius, Stephen G. Kobourov, Ignaz Rutter
Simultaneous Embedding of Planar Graphs.
Handbook of Graph Drawing and Visualization 2013

2012

Thomas Bläsius, Ignaz Rutter
Disconnectivity and Relative Positions in Simultaneous Embeddings.
International Symposium Graph Drawing and Network Visualization (GD) 2012

2010

Thomas Bläsius, Marcus Krug, Ignaz Rutter, Dorothea Wagner
Orthogonal Graph Drawing with Flexibility Constraints.
International Symposium Graph Drawing and Network Visualization (GD) 2010