Joachim Gudmundsson

Orcid: 0000-0002-6778-7990

Affiliations:
  • University of Sydney, Australia


According to our database1, Joachim Gudmundsson authored at least 188 papers between 1996 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of two.

Timeline

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Bibliography

2024
Map Matching Queries on Realistic Input Graphs Under the Fréchet Distance.
ACM Trans. Algorithms, April, 2024

Approximating the Fréchet distance when only one curve is <i>c</i>-packed.
CoRR, 2024

Spanner for the 0/1/∞ weighted region problem.
CoRR, 2024

Dynamic L-Budget Clustering of Curves.
Proceedings of the 19th Scandinavian Symposium and Workshops on Algorithm Theory, 2024

Approximating the Fréchet Distance When Only One Curve Is c-Packed.
Proceedings of the 35th International Symposium on Algorithms and Computation, 2024

Bicriteria Approximation for Minimum Dilation Graph Augmentation.
Proceedings of the 32nd Annual European Symposium on Algorithms, 2024

Approximating Multiplicatively Weighted Voronoi Diagrams: Efficient Construction with Linear Size.
Proceedings of the 40th International Symposium on Computational Geometry, 2024

Map-Matching Queries Under Fréchet Distance on Low-Density Spanners.
Proceedings of the 40th International Symposium on Computational Geometry, 2024

2023
Algorithms for radius-optimally augmenting trees in a metric space.
Comput. Geom., October, 2023

Augmenting graphs to minimize the radius.
Comput. Geom., August, 2023

On Practical Nearest Sub-Trajectory Queries under the Fréchet Distance.
ACM Trans. Spatial Algorithms Syst., June, 2023

Shortest Paths of Mutually Visible Robots.
CoRR, 2023

Pattern Formation for Fat Robots with Memory.
CoRR, 2023

Pattern Formation for Fat Robots with Lights.
CoRR, 2023

Approximating the packedness of polygonal curves.
Comput. Geom., 2023

Partitioning Axis-Parallel Lines in 3D.
Comput. Geom. Topol., 2023

Approximating the Discrete Center Line Segment in Linear Time.
Proceedings of the Algorithms and Data Structures - 18th International Symposium, 2023

The Mutual Visibility Problem for Fat Robots.
Proceedings of the Algorithms and Data Structures - 18th International Symposium, 2023

Shortest Beer Path Queries in Digraphs with Bounded Treewidth.
Proceedings of the 34th International Symposium on Algorithms and Computation, 2023

Computing a Subtrajectory Cluster from c-Packed Trajectories.
Proceedings of the 34th International Symposium on Algorithms and Computation, 2023

Oriented Spanners.
Proceedings of the 31st Annual European Symposium on Algorithms, 2023

Approximating the λ-low-density Value.
Proceedings of the Computing and Combinatorics - 29th International Conference, 2023

2022
Covering a set of line segments with a few squares.
Theor. Comput. Sci., 2022

Improving the Dilation of a Metric Graph by Adding Edges.
ACM Trans. Algorithms, 2022

Local routing in a tree metric 1-spanner.
J. Comb. Optim., 2022

Approximating the lambda-low-density value.
CoRR, 2022

Local Routing in Sparse and Lightweight Geometric Graphs.
Algorithmica, 2022

Cubic upper and lower bounds for subtrajectory clustering under the continuous Fréchet distance.
Proceedings of the 2022 ACM-SIAM Symposium on Discrete Algorithms, 2022

A Tail Estimate with Exponential Decay for the Randomized Incremental Construction of Search Structures.
Proceedings of the 2022 ACM-SIAM Symposium on Discrete Algorithms, 2022

Exploring Sub-skeleton Trajectories for Interpretable Recognition of Sign Language.
Proceedings of the Database Systems for Advanced Applications, 2022

2021
A Practical Index Structure Supporting Fréchet Proximity Queries among Trajectories.
ACM Trans. Spatial Algorithms Syst., 2021

On β-Plurality Points in Spatial Voting Games.
ACM Trans. Algorithms, 2021

Bounded-degree light approximate shortest-path trees in doubling metrics.
Discret. Appl. Math., 2021

Translation Invariant Fréchet Distance Queries.
Algorithmica, 2021

Augmenting Graphs to Minimize the Radius.
Proceedings of the 32nd International Symposium on Algorithms and Computation, 2021

2020
On beta-Plurality Points in Spatial Voting Games.
CoRR, 2020

Special issue on the 29th Canadian Conference on Computational Geometry, Guest Editors' foreword.
Comput. Geom., 2020

Improved Map Construction using Subtrajectory Clustering.
Proceedings of the LocalRec'20: Proceedings of the 4th ACM SIGSPATIAL Workshop on Location-Based Recommendations, 2020

2019
Fast Algorithms for Diameter-Optimally Augmenting Paths and Trees.
Int. J. Found. Comput. Sci., 2019

Fast Fréchet Distance Between Curves with Long Edges.
Int. J. Comput. Geom. Appl., 2019

Shortcuts for the circle.
Comput. Geom., 2019

Turbocharging Treewidth Heuristics.
Algorithmica, 2019

Approximating (k, ℓ)-center clustering for curves.
Proceedings of the Thirtieth Annual ACM-SIAM Symposium on Discrete Algorithms, 2019

Networking Self-Organising Maps and Similarity Weight Associations.
Proceedings of the Neural Information Processing - 26th International Conference, 2019

Computing the Yolk in Spatial Voting Games without Computing Median Lines.
Proceedings of the Thirty-Third AAAI Conference on Artificial Intelligence, 2019

2018
Faster Algorithms for Computing Plurality Points.
ACM Trans. Algorithms, 2018

Approximating (k, 𝓁)-center clustering for curves.
CoRR, 2018

Finding Pairwise Intersections Inside a Query Range.
Algorithmica, 2018

Data Structures for Halfplane Proximity Queries and Incremental Voronoi Diagrams.
Algorithmica, 2018

When is Red-Blue Nonblocker Fixed-Parameter Tractable?
Proceedings of the LATIN 2018: Theoretical Informatics, 2018

Theoretical analysis of beaconless geocast protocols in 1D.
Proceedings of the Fifteenth Workshop on Analytic Algorithmics and Combinatorics, 2018

Dilation and Detours in Geometric Networks.
Proceedings of the Handbook of Approximation Algorithms and Metaheuristics, 2018

2017
Movement Patterns in Spatio-Temporal Data.
Proceedings of the Encyclopedia of GIS., 2017

Classification of Passes in Football Matches Using Spatiotemporal Data.
ACM Trans. Spatial Algorithms Syst., 2017

Compact Flow Diagrams for State Sequences.
ACM J. Exp. Algorithmics, 2017

Spatio-Temporal Analysis of Team Sports.
ACM Comput. Surv., 2017

A Visual Measure of Changes to Weighted Self-Organizing Map Patterns.
CoRR, 2017

Range-Efficient Consistent Sampling and Locality-Sensitive Hashing for Polygons.
Proceedings of the 28th International Symposium on Algorithms and Computation, 2017

Barrier Coverage with Non-uniform Lengths to Minimize Aggregate Movements.
Proceedings of the 28th International Symposium on Algorithms and Computation, 2017

A Visual Analysis of Changes to Weighted Self-Organizing Map Patterns.
Proceedings of the Neural Information Processing - 24th International Conference, 2017

A Dynamic Data Structure for Approximate Proximity Queries in Trajectory Data.
Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2017

Barrier Coverage with Uniform Radii in 2D.
Proceedings of the Algorithms for Sensor Systems, 2017

2016
Planar Geometric Spanners.
Encyclopedia of Algorithms, 2016

Geometric Spanners.
Encyclopedia of Algorithms, 2016

Applications of Geometric Spanner Networks.
Encyclopedia of Algorithms, 2016

SEFE without Mapping via Large Induced Outerplane Graphs in Plane Graphs.
J. Graph Theory, 2016

Editorial, SEA 2014 Special Issue.
ACM J. Exp. Algorithmics, 2016

Spatio-Temporal Analysis of Team Sports - A Survey.
CoRR, 2016

2015
A GPU Approach to Subtrajectory Clustering Using the Fréchet Distance.
IEEE Trans. Parallel Distributed Syst., 2015

Increasing-Chord Graphs On Point Sets.
J. Graph Algorithms Appl., 2015

Fast algorithms for approximate Fréchet matching queries in geometric trees.
Comput. Geom., 2015

Augmenting Graphs to Minimize the Diameter.
Algorithmica, 2015

Automated Classification of Passing in Football.
Proceedings of the Advances in Knowledge Discovery and Data Mining, 2015

Welfare Maximization in Fractional Hedonic Games.
Proceedings of the Twenty-Fourth International Joint Conference on Artificial Intelligence, 2015

Fast Algorithms for Diameter-Optimally Augmenting Paths.
Proceedings of the Automata, Languages, and Programming - 42nd International Colloquium, 2015

Analyzing delays in trajectories.
Proceedings of the 2015 IEEE Pacific Visualization Symposium, 2015

2014
Football analysis using spatio-temporal tools.
Comput. Environ. Urban Syst., 2014

On the number of upward planar orientations of maximal planar graphs.
Theor. Comput. Sci., 2014

A fast algorithm for data collection along a fixed track.
Theor. Comput. Sci., 2014

Quickest path queries on transportation network.
Comput. Geom., 2014

Editorial: COCOON 2012 Special Issue.
Algorithmica, 2014

A Generalization of the Convex Kakeya Problem.
Algorithmica, 2014

Computational Aspects of Multi-Winner Approval Voting.
Proceedings of the Multidisciplinary Workshop on Advances in Preference Handling, 2014

2013
Fast query structures in anisotropic media.
Theor. Comput. Sci., 2013

Fast Fréchet queries.
Comput. Geom., 2013

SEFE with No Mapping via Large Induced Outerplane Graphs in Plane Graphs.
Proceedings of the Algorithms and Computation - 24th International Symposium, 2013

Algorithms for hotspot computation on trajectory data.
Proceedings of the 21st SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2013

Fréchet Queries in Geometric Trees.
Proceedings of the Algorithms - ESA 2013, 2013

2012
Approximate one-to-one point pattern matching.
J. Discrete Algorithms, 2012

Representation, Analysis and Visualization of Moving Objects (Dagstuhl Seminar 12512).
Dagstuhl Reports, 2012

On graphs supporting greedy forwarding for directional wireless networks.
Proceedings of IEEE International Conference on Communications, 2012

Of motifs and goals: mining trajectory data.
Proceedings of the SIGSPATIAL 2012 International Conference on Advances in Geographic Information Systems (formerly known as GIS), 2012

Computational Movement Analysis.
Proceedings of the Die Dynamik sozialer und sprachlicher Netzwerke, 2012

2011
Detecting Commuting Patterns by Clustering Subtrajectories.
Int. J. Comput. Geom. Appl., 2011

Farthest-polygon Voronoi diagrams.
Comput. Geom., 2011

Notes on Large Angle Crossing Graphs.
Chic. J. Theor. Comput. Sci., 2011

Algorithms for Marketing-Mix Optimization.
Algorithmica, 2011

Detecting Regular Visit Patterns.
Algorithmica, 2011

Geometric Spanners for Weighted Point Sets.
Algorithmica, 2011

Quickest Paths in Anisotropic Media.
Proceedings of the Combinatorial Optimization and Applications, 2011

Shortest Path in Transportation Network and Weighted Subdivisions.
Proceedings of the Graph Data Management: Techniques and Applications., 2011

2010
Finding the Most Relevant Fragments in Networks.
J. Graph Algorithms Appl., 2010

Pruning spanners and constructing well-separated pair decompositions in the presence of memory hierarchies.
J. Discrete Algorithms, 2010

Finding Popular Places.
Int. J. Comput. Geom. Appl., 2010

Constrained free space diagrams: a tool for trajectory analysis.
Int. J. Geogr. Inf. Sci., 2010

A simple and efficient kinetic spanner.
Comput. Geom., 2010

Editorial, SWAT 2008 Special Issue.
Algorithmica, 2010

10491 Results of the break-out group: Gulls Data.
Proceedings of the Representation, Analysis and Visualization of Moving Objects, 05.12., 2010

10491 Results of the break-out group: Similarity measures.
Proceedings of the Representation, Analysis and Visualization of Moving Objects, 05.12., 2010

Planar visibility: testing and counting.
Proceedings of the 26th ACM Symposium on Computational Geometry, 2010

Detecting Areas Visited Regularly.
Proceedings of the Computing and Combinatorics, 16th Annual International Conference, 2010

2009
Experimental study of geometric <i>t</i>-spanners.
ACM J. Exp. Algorithmics, 2009

On Spanners of Geometric Graphs.
Int. J. Found. Comput. Sci., 2009

Preface.
Int. J. Found. Comput. Sci., 2009

A Polynomial-Time Approximation Algorithm for a Geometric Dispersion Problem.
Int. J. Comput. Geom. Appl., 2009

Restricted Mesh Simplification Using Edge Contractions.
Int. J. Comput. Geom. Appl., 2009

Region-Fault Tolerant Geometric Spanners.
Discret. Comput. Geom., 2009

On the Expected Maximum Degree of Gabriel and Yao Graphs
CoRR, 2009

Region-restricted clustering for geographic data mining.
Comput. Geom., 2009

Compressing spatio-temporal trajectories.
Comput. Geom., 2009

Measuring the Similarity of Geometric Graphs.
Proceedings of the Experimental Algorithms, 8th International Symposium, 2009

09451 Abstracts Collection - Geometric Networks, Metric Space Embeddings and Spatial Data Mining.
Proceedings of the Geometric Networks, Metric Space Embeddings and Spatial Data Mining, 01.11., 2009

Detecting Hotspots in Geographic Networks.
Proceedings of the Advances in GIScience, 2009

2008
Movement Patterns in Spatio-temporal Data.
Proceedings of the Encyclopedia of GIS., 2008

Planar Geometric Spanners.
Proceedings of the Encyclopedia of Algorithms - 2008 Edition, 2008

Geometric Spanners.
Proceedings of the Encyclopedia of Algorithms - 2008 Edition, 2008

Applications of Geometric Spanner Networks.
Proceedings of the Encyclopedia of Algorithms - 2008 Edition, 2008

Approximate distance oracles for geometric spanners.
ACM Trans. Algorithms, 2008

Improving the Stretch Factor of a Geometric Network by Edge Augmentation.
SIAM J. Comput., 2008

Reporting Leaders and Followers among Trajectories of Moving Point Objects.
GeoInformatica, 2008

Aperture-Angle and Hausdorff-Approximation of Convex Figures.
Discret. Comput. Geom., 2008

Reporting flock patterns.
Comput. Geom., 2008

Constructing minimum-interference networks.
Comput. Geom., 2008

Sparse geometric graphs with small dilation.
Comput. Geom., 2008

Detecting single file movement.
Proceedings of the 16th ACM SIGSPATIAL International Symposium on Advances in Geographic Information Systems, 2008

An ILP for the metro-line crossing problem.
Proceedings of the Theory of Computing 2008. Proc. Fourteenth Computing: The Australasian Theory Symposium (CATS 2008), 2008

2007
Dilation and Detours in Geometric Networks.
Proceedings of the Handbook of Approximation Algorithms and Metaheuristics., 2007

Preface.
Int. J. Found. Comput. Sci., 2007

Efficient Detection of Patterns in 2D Trajectories of Moving Points.
GeoInformatica, 2007

Distance-preserving approximations of polygonal paths.
Comput. Geom., 2007

Minimum weight pseudo-triangulations.
Comput. Geom., 2007

Editorial.
Comput. Geom., 2007

Approximate distance oracles for graphs with dense clusters.
Comput. Geom., 2007

Experimental Study of Geometric t-Spanners: A Running Time Comparison.
Proceedings of the Experimental Algorithms, 6th International Workshop, 2007

Reporting leadership patterns among trajectories.
Proceedings of the 2007 ACM Symposium on Applied Computing (SAC), 2007

Dimensionality reduction for long duration and complex spatio-temporal queries.
Proceedings of the 2007 ACM Symposium on Applied Computing (SAC), 2007

2006
Area-preserving approximations of polygonal paths.
J. Discrete Algorithms, 2006

Constructing Interference-Minimal Networks.
Proceedings of the SOFSEM 2006: Theory and Practice of Computer Science, 2006

Computing longest duration flocks in trajectory data.
Proceedings of the 14th ACM International Symposium on Geographic Information Systems, 2006

Path Simplification for Metro Map Layout.
Proceedings of the Graph Drawing, 14th International Symposium, 2006

Schematisation of Tree Drawings.
Proceedings of the Graph Drawing, 14th International Symposium, 2006

06481 Abstracts Collection - Geometric Networks and Metric Space Embeddings.
Proceedings of the Geometric Networks and Metric Space Embeddings, 26.11. - 01.12.2006, 2006

A Polynomial-Time Approximation Algorithm for a Geometric Dispersion Problem.
Proceedings of the Computing and Combinatorics, 12th Annual International Conference, 2006

Increasing the readability of graph drawings with centrality-based scaling.
Proceedings of the Asia-Pacific Symposium on Information Visualisation, 2006

2005
TSP with neighborhoods of varying size.
J. Algorithms, 2005

Constrained higher order Delaunay triangulations.
Comput. Geom., 2005

Chips on wafers, or packing rectangles into grids.
Comput. Geom., 2005

Constructing Plane Spanners of Bounded Degree and Low Weight.
Algorithmica, 2005

Fast Pruning of Geometric Spanners.
Proceedings of the STACS 2005, 2005

Sparse Geometric Graphs with Small Dilation.
Proceedings of the Algorithms and Computation, 16th International Symposium, 2005

Finding the best shortcut in a geometric network.
Proceedings of the (Informal) Proceedings of the 21st European Workshop on Computational Geometry, 2005

2004
Box-trees for collision checking in industrial installations.
Comput. Geom., 2004

Facility location and the geometric minimum-diameter spanning tree.
Comput. Geom., 2004

Ordered theta graphs.
Comput. Geom., 2004

I/O-Efficiently Pruning Dense Spanners.
Proceedings of the Discrete and Computational Geometry, Japanese Conference, 2004

Efficient detection of motion patterns in spatio-temporal data sets.
Proceedings of the 12th ACM International Workshop on Geographic Information Systems, 2004

A Simple Algorithm for I/O-efficiently Pruning Dense Spanners.
Proceedings of the Cache-Oblivious and Cache-Aware Algorithms, 18.07. - 23.07.2004, 2004

2003
Balanced Partition of Minimum Spanning Trees.
Int. J. Comput. Geom. Appl., 2003

On R-trees with low query complexity.
Comput. Geom., 2003

Chips on Wafers.
Proceedings of the Algorithms and Data Structures, 8th International Workshop, 2003

Constructing Sparse t-Spanners with Small Separators.
Proceedings of the Fundamentals of Computation Theory, 14th International Symposium, 2003

2002
Fast Greedy Algorithms for Constructing Sparse Geometric Spanners.
SIAM J. Comput., 2002

Lower bounds for approximate polygon decomposition and minimum gap.
Inf. Process. Lett., 2002

Box-Trees and R-Trees with Near-Optimal Query Time.
Discret. Comput. Geom., 2002

Higher order Delaunay triangulations.
Comput. Geom., 2002

Approximate distance oracles for geometric graphs.
Proceedings of the Thirteenth Annual ACM-SIAM Symposium on Discrete Algorithms, 2002

Approximate Distance Oracles Revisited.
Proceedings of the Algorithms and Computation, 13th International Symposium, 2002

2001
Approximating a Minimum Manhattan Network.
Nord. J. Comput., 2001

2000
A Parallel Approximation Algorithm for Minimum Weight Triangulation.
Nord. J. Comput., 2000

Improved Greedy Algorithms for Constructing Sparse Geometric Spanners.
Proceedings of the Algorithm Theory, 2000

On R-trees with Low Stabbing Number.
Proceedings of the Algorithms, 2000

1999
A Fast Approximation Algorithm for TSP with Neighborhoods.
Nord. J. Comput., 1999

Close Approximations of Minimum Rectangular Coverings.
J. Comb. Optim., 1999

Approximating Minimum Manhattan Networks.
Proceedings of the Randomization, 1999

A Fast Approximation Algorithm for TSP with Neighborhoods and Red-Blue Separation.
Proceedings of the Computing and Combinatorics, 5th Annual International Conference, 1999

1997
Approximation Algorithms for Covering Polygons with Squares and Similar Problems.
Proceedings of the Randomization and Approximation Techniques in Computer Science, 1997

A Linear-Time Heuristic for Minimum Rectangular Coverings (Extended Abstract).
Proceedings of the Fundamentals of Computation Theory, 11th International Symposium, 1997

1996
Close Approximation of Minimum Rectangular Coverings.
Proceedings of the Foundations of Software Technology and Theoretical Computer Science, 1996


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