Ioannis G. Tollis

ORCID

Publication Activity (10 Years)

Years Active: 1986-2024
Publications (10 Years): 32

Top Venues

CoRR

Graph Drawing

J. Graph Algorithms Appl.

Theor. Comput. Sci.

Publications

Giorgos Kritikakis, Ioannis G. Tollis
Parameterized Linear Time Transitive Closure. CoRR (2024)
Giacomo Ortali, Ioannis G. Tollis
Dominance Drawings for DAGs with Bounded Modular Width. SOFSEM (2023)
Vasileios Geladaris, Panagiotis Lionakis, Ioannis G. Tollis
Effective Computation of a Feedback Arc Set Using PageRank. J. Graph Algorithms Appl. 27 (8) (2023)
Giorgos Kritikakis, Ioannis G. Tollis
Fast Reachability Using DAG Decomposition. SEA (2023)
Panagiotis Lionakis, Giorgos Kritikakis, Ioannis G. Tollis
Experiments and a User Study for Hierarchical Drawings of Graphs. IEEE Access 11 (2023)
Steven Chaplick, Markus Chimani, Sabine Cornelsen, Giordano Da Lozzo, Martin Nöllenburg, Maurizio Patrignani, Ioannis G. Tollis, Alexander Wolff
Planar L-Drawings of Directed Graphs. Comput. Geom. Topol. 2 (1) (2023)
Giacomo Ortali, Ioannis G. Tollis
Computing Weak Dominance Drawings with Minimum Number of Fips. CoRR (2022)
Vasileios Geladaris, Panagiotis Lionakis, Ioannis G. Tollis
Computing a Feedback Arc Set Using PageRank. GD (2022)
Giorgos Kritikakis, Ioannis G. Tollis
Fast and Practical DAG Decomposition with Reachability Applications. CoRR (2022)
Panagiotis Lionakis, Giorgos Kritikakis, Ioannis G. Tollis
Experiments and a User Study for Hierarchical Drawings of Graphs. CoRR (2022)
Vasileios Geladaris, Panagiotis Lionakis, Ioannis G. Tollis
Computing a Feedback Arc Set Using PageRank. CoRR (2022)
Panagiotis Lionakis, Giacomo Ortali, Ioannis G. Tollis
Constant-Time Reachability in DAGs Using Multidimensional Dominance Drawings. SN Comput. Sci. 2 (4) (2021)
Ioannis G. Tollis, Konstantinos G. Kakoulis
Algorithms for visualizing phylogenetic networks. Theor. Comput. Sci. 835 (2020)
Panagiotis Lionakis, Giorgos Kritikakis, Ioannis G. Tollis
Algorithms and Experiments Comparing Two Hierarchical Drawing Frameworks. CoRR (2020)
Giacomo Ortali, Ioannis G. Tollis
A New Framework for Hierarchical Drawings. J. Graph Algorithms Appl. 23 (3) (2019)
Giacomo Ortali, Ioannis G. Tollis
Multidimensional Dominance Drawings. CoRR (2019)
Panagiotis Lionakis, Giacomo Ortali, Ioannis G. Tollis
Adventures in Abstraction: Reachability in Hierarchical Drawings. CoRR (2019)
Michael A. Bekos, Felice De Luca, Walter Didimo, Tamara Mchedlidze, Martin Nöllenburg, Antonios Symvonis, Ioannis G. Tollis
Planar drawings of fixed-mobile bigraphs. Theor. Comput. Sci. 795 (2019)
Walter Didimo, Evgenios M. Kornaropoulos, Fabrizio Montecchiani, Ioannis G. Tollis
A Visualization Framework and User Studies for Overloaded Orthogonal Drawings. Comput. Graph. Forum 37 (1) (2018)
Giacomo Ortali, Ioannis G. Tollis
Algorithms and Bounds for Drawing Directed Graphs. Graph Drawing (2018)
Patrizio Angelini, Giordano Da Lozzo, Marco Di Bartolomeo, Valentino Di Donato, Maurizio Patrignani, Vincenzo Roselli, Ioannis G. Tollis
Algorithms and Bounds for L-Drawings of Directed Graphs. Int. J. Found. Comput. Sci. 29 (4) (2018)
Giacomo Ortali, Ioannis G. Tollis
Algorithms and Bounds for Drawing Directed Graphs. CoRR (2018)
Carla Binucci, Markus Chimani, Walter Didimo, Martin Gronemann, Karsten Klein, Jan Kratochvíl, Fabrizio Montecchiani, Ioannis G. Tollis
Algorithms and Characterizations for 2-Layer Fan-planarity: From Caterpillar to Stegosaurus. J. Graph Algorithms Appl. 21 (1) (2017)
Michael A. Bekos, Felice De Luca, Walter Didimo, Tamara Mchedlidze, Martin Nöllenburg, Antonios Symvonis, Ioannis G. Tollis
Planar Drawings of Fixed-Mobile Bigraphs. Graph Drawing (2017)
Steven Chaplick, Markus Chimani, Sabine Cornelsen, Giordano Da Lozzo, Martin Nöllenburg, Maurizio Patrignani, Ioannis G. Tollis, Alexander Wolff
Planar L-Drawings of Directed Graphs. Graph Drawing (2017)
Michael A. Bekos, Felice De Luca, Walter Didimo, Tamara Mchedlidze, Martin Nöllenburg, Antonios Symvonis, Ioannis G. Tollis
Planar Drawings of Fixed-Mobile Bigraphs. CoRR (2017)
Steven Chaplick, Markus Chimani, Sabine Cornelsen, Giordano Da Lozzo, Martin Nöllenburg, Maurizio Patrignani, Ioannis G. Tollis, Alexander Wolff
Planar L-Drawings of Directed Graphs. CoRR (2017)
Evgenios M. Kornaropoulos, Ioannis G. Tollis
Algorithms for Overloaded Orthogonal Drawings. J. Graph Algorithms Appl. 20 (2) (2016)
Ioannis G. Tollis, Konstantinos G. Kakoulis
Algorithms for Visualizing Phylogenetic Networks. Graph Drawing (2016)
Ioannis G. Tollis, Konstantinos G. Kakoulis
Algorithms for Visualizing Phylogenetic Networks. CoRR (2016)
Patrizio Angelini, Giordano Da Lozzo, Marco Di Bartolomeo, Valentino Di Donato, Maurizio Patrignani, Vincenzo Roselli, Ioannis G. Tollis
L-Drawings of Directed Graphs. SOFSEM (2016)
Konstantinos G. Kakoulis, Ioannis G. Tollis
Modifying Orthogonal Drawings for Label Placement. Algorithms 9 (2) (2016)
Patrizio Angelini, Carla Binucci, Giordano Da Lozzo, Walter Didimo, Luca Grilli, Fabrizio Montecchiani, Maurizio Patrignani, Ioannis G. Tollis
Algorithms and bounds for drawing non-planar graphs with crossing-free subgraphs. Comput. Geom. 50 (2015)
Carla Binucci, Markus Chimani, Walter Didimo, Martin Gronemann, Karsten Klein, Jan Kratochvíl, Fabrizio Montecchiani, Ioannis G. Tollis
2-Layer Fan-Planarity: From Caterpillar to Stegosaurus. Graph Drawing (2015)
Carla Binucci, Emilio Di Giacomo, Walter Didimo, Fabrizio Montecchiani, Maurizio Patrignani, Antonios Symvonis, Ioannis G. Tollis
Fan-planarity: Properties and complexity. Theor. Comput. Sci. 589 (2015)
Patrizio Angelini, Giordano Da Lozzo, Marco Di Bartolomeo, Valentino Di Donato, Maurizio Patrignani, Vincenzo Roselli, Ioannis G. Tollis
L-Drawings of Directed Graphs. CoRR (2015)
Evaggelia Maniadi, Ioannis G. Tollis
Analysis and visualization of metabolic pathways and networks: A hypegraph approach. BHI (2014)
Emilio Di Giacomo, Walter Didimo, Giuseppe Liotta, Fabrizio Montecchiani, Ioannis G. Tollis
Techniques for Edge Stratification of Complex Graph Drawings. J. Vis. Lang. Comput. 25 (4) (2014)
Carla Binucci, Emilio Di Giacomo, Walter Didimo, Fabrizio Montecchiani, Maurizio Patrignani, Ioannis G. Tollis
Fan-Planar Graphs: Combinatorial Properties and Complexity Results. Graph Drawing (2014)
Carla Binucci, Emilio Di Giacomo, Walter Didimo, Fabrizio Montecchiani, Maurizio Patrignani, Ioannis G. Tollis
Properties and Complexity of Fan-Planarity. CoRR (2014)
Walter Didimo, Fabrizio Montecchiani, Evangelos Pallas, Ioannis G. Tollis
How to visualize directed graphs: A user study. IISA (2014)
Emilio Di Giacomo, Walter Didimo, Giuseppe Liotta, Fabrizio Montecchiani, Ioannis G. Tollis
Exploring Complex Drawings via Edge Stratification. Graph Drawing (2013)
Patrizio Angelini, Carla Binucci, Giordano Da Lozzo, Walter Didimo, Luca Grilli, Fabrizio Montecchiani, Maurizio Patrignani, Ioannis G. Tollis
Drawing Non-Planar Graphs with Crossing-Free Subgraphs. Graph Drawing (2013)
Patrizio Angelini, Carla Binucci, Giordano Da Lozzo, Walter Didimo, Luca Grilli, Fabrizio Montecchiani, Maurizio Patrignani, Ioannis G. Tollis
Drawings of Non-planar Graphs with Crossing-free Subgraphs. CoRR (2013)
Vassilis Tsiaras, Ioannis G. Tollis
DAGmaps and ε-Visibility Representations for DAGs: Algorithms and Characterizations. J. Graph Algorithms Appl. 16 (2) (2012)
Evgenios M. Kornaropoulos, Ioannis G. Tollis
DAGView: An Approach for Visualizing Large Graphs. Graph Drawing (2012)
Evgenios M. Kornaropoulos, Ioannis G. Tollis
Weak Dominance Drawings for Directed Acyclic Graphs. Graph Drawing (2012)
Evgenios M. Kornaropoulos, Ioannis G. Tollis
Weak Dominance Drawings and Linear Extension Diameter CoRR (2011)
Evgenios M. Kornaropoulos, Ioannis G. Tollis
Overloaded Orthogonal Drawings. Graph Drawing (2011)
Eleni G. Christodoulou, Vangelis Sakkalis, Vassilis Tsiaras, Ioannis G. Tollis
BrainNetVis: An Open-Access Tool to Effectively Quantify and Visualize Brain Networks. Comput. Intell. Neurosci. 2011 (2011)
Eleftheria Tzamali, Panayiota Poirazi, Ioannis G. Tollis, Martin Reczko
A computational exploration of bacterial metabolic diversity identifying metabolic interactions and growth-efficient strain communities. BMC Syst. Biol. 5 (2011)
Sofia Triantafilou, Ioannis Tsamardinos, Ioannis G. Tollis
Learning Causal Structure from Overlapping Variable Sets. AISTATS (2010)
Charalampos Papamanthou, Ioannis G. Tollis
Applications of Parameterized st-Orientations. J. Graph Algorithms Appl. 14 (2) (2010)
Konstantinos G. Kakoulis, Ioannis G. Tollis
Placing Edge Labels by Modifying an Orthogonal Graph Drawing. Graph Drawing (2010)
Ioannis G. Tollis, Maurizio Patrignani
Guest Editor's Foreword. J. Graph Algorithms Appl. 14 (1) (2010)
Vassilis Tsiaras, Ioannis G. Tollis
-Visibility Representations of DAGs. Graph Drawing (2009)
Vassilis Tsiaras, Ioannis G. Tollis
DAGmaps and Dominance Relationships. Graph Drawing (2009)
Vassilis Tsiaras, Sofia Triantafilou, Ioannis G. Tollis
DAGmaps: Space Filling Visualization of Directed Acyclic Graphs. J. Graph Algorithms Appl. 13 (3) (2009)
Charalampos Papamanthou, Ioannis G. Tollis
Algorithms for computing a parameterized st-orientation. Theor. Comput. Sci. 408 (2-3) (2008)
Vassilis Tsiaras, Ioannis G. Tollis
DAGmap View. Graph Drawing (2008)
Vassilis Tsiaras, Ioannis G. Tollis, Vangelis Sakkalis
Brain Network Analyzer. Graph Drawing (2008)
Vangelis Sakkalis, Ioannis G. Tollis
Modelling the Pathophysiological Human Brain Function. ERCIM News 2007 (69) (2007)
Kostas Marias, Dimitra D. Dionysiou, Georgios S. Stamatakos, Fotini Zacharopoulou, Eleni Ch. Georgiadi, Thanasis Margaritis, Thomas G. Maris, Ioannis G. Tollis
Multi-level Analysis and Information Extraction Considerations for Validating 4D Models of Human Function. HCI (12) (2007)
Vassilis Tsiaras, Sofia Triantafilou, Ioannis G. Tollis
Treemaps for Directed Acyclic Graphs. Graph Drawing (2007)
Ioannis G. Tollis, Nicholas Ayache
The Digital Patient - Introduction to the special theme. ERCIM News 2007 (69) (2007)
Martin Reczko, Panayiota Poirazi, Anastasis Oulas, Eleftheria Tzamali, Maria Manioudaki, Vassilis Tsiaras, Ioannis G. Tollis
The Impact of Systems Biology on the Digital Patient. ERCIM News 2007 (69) (2007)
Ugur Dogrusöz, Konstantinos G. Kakoulis, Brendan Madden, Ioannis G. Tollis
On labeling in graph visualization. Inf. Sci. 177 (12) (2007)
Jean-Yves Bansard, Dietrich Rebholz-Schuhmann, Graham Cameron, Dominic Clark, Erik M. van Mulligen, Francesco Beltrame, Eva del Hoyo-Barbolla, Fernando Martín-Sánchez, Luciano Milanesi, Ioannis G. Tollis, Johan van der Lei, Jean-Louis Coatrieux
Medical Informatics and Bioinformatics: A Bibliometric Study. IEEE Trans. Inf. Technol. Biomed. 11 (3) (2007)
Kostas Marias, Thanasis Margaritis, Ioannis G. Tollis
Validating 4D Models of Human Pathophysiology. ERCIM News 2007 (69) (2007)
Dietrich Rebholz-Schuhmann, Graham Cameron, Dominic Clark, Erik M. van Mulligen, Jean-Louis Coatrieux, Eva del Hoyo-Barbolla, Fernando Martín-Sánchez, Luciano Milanesi, Ivan Porro, Francesco Beltrame, Ioannis G. Tollis, Johan van der Lei
SYMBIOmatics: Synergies in Medical Informatics and Bioinformatics - exploring current scientific literature for emerging topics. BMC Bioinform. 8 (S-1) (2007)
Janet M. Six, Ioannis G. Tollis
A framework and algorithms for circular drawings of graphs. J. Discrete Algorithms 4 (1) (2006)
Theofanis Oikonomou, Vangelis Sakkalis, Ioannis G. Tollis, Sifis Micheloyannis
Searching and Visualizing Brain Networks in Schizophrenia. ISBMDA (2006)
Alkiviadis Symeonidis, Ioannis G. Tollis, Martin Reczko
Visualization of Functional Aspects of microRNA Regulatory Networks Using the Gene Ontology. ISBMDA (2006)
Pier Francesco Cortese, Giuseppe Di Battista, Fabrizio Frati, Luca Grilli, Katharina Anna Lehmann, Giuseppe Liotta, Maurizio Patrignani, Ioannis G. Tollis, Francesco Trotta
On the Topologies of Local Minimum Spanning Trees. CAAN (2006)
Konstantinos G. Kakoulis, Ioannis G. Tollis
Algorithms for the multiple label placement problem. Comput. Geom. 35 (3) (2006)
Charalampos Papamanthou, Ioannis G. Tollis
-Orientations of Graphs: Algorithms and Experiments. Graph Drawing (2006)
Adam Arvelakis, Martin Reczko, Alexandros Stamatakis, Alkiviadis Symeonidis, Ioannis G. Tollis
Using Treemaps to Visualize Phylogenetic Trees. ISBMDA (2005)
Charalampos Papamanthou, Ioannis G. Tollis
-Orientations in Graph Drawing Algorithms. Graph Drawing (2005)
Charalampos Papamanthou, Ioannis G. Tollis, Martin Doerr
3D Visualization of Semantic Metadata Models and Ontologies. Graph Drawing (2004)
Alkiviadis Symeonidis, Ioannis G. Tollis
Visualization of Biological Information with Circular Drawings. ISBMDA (2004)
Janet M. Six, Ioannis G. Tollis
A Framework for User-Grouped Circular Drawings. Graph Drawing (2003)
Giuseppe Liotta, Ioannis G. Tollis
Guest Editors' Foreword. J. Graph Algorithms Appl. 7 (2) (2003)
Konstantinos G. Kakoulis, Ioannis G. Tollis
A Unified Approach to Automatic Label Placement. Int. J. Comput. Geom. Appl. 13 (1) (2003)
Rodolfo Castelló, Rym Mili, Ioannis G. Tollis
Automatic layout of statecharts. Softw. Pract. Exp. 32 (1) (2002)
Rodolfo Castelló, Rym Mili, Ioannis G. Tollis
ViSta: a tool suite for the visualization of behavioral requirements. J. Syst. Softw. 62 (3) (2002)
Rodolfo Castelló, Rym Mili, Ioannis G. Tollis
A Framework for the Static and Interactive Visualization of Statecharts. J. Graph Algorithms Appl. 6 (3) (2002)
Konstantinos G. Kakoulis, Ioannis G. Tollis
On the complexity of the Edge Label Placement problem. Comput. Geom. 18 (1) (2001)
Janet M. Six, Ioannis G. Tollis
Effective Graph Visualization via Node Grouping. INFOVIS (2001)
Janet M. Six, Ioannis G. Tollis
Automated Visualization of Process Diagrams. Graph Drawing (2001)
Rodolfo Castelló, Rym Mili, Ioannis G. Tollis
ViSta. Graph Drawing (2001)
Therese C. Biedl, Brendan Madden, Ioannis G. Tollis
The Three-Phase Method: A Unified Approach to Orthogonal Graph Drawing. Int. J. Comput. Geom. Appl. 10 (6) (2000)
Achilleas Papakostas, Ioannis G. Tollis
Efficient Orthogonal Drawings of High Degree Graphs. Algorithmica 26 (1) (2000)
Janet M. Six, Konstantinos G. Kakoulis, Ioannis G. Tollis
Techniques for the Refinement of Orthogonal Graph Drawings. J. Graph Algorithms Appl. 4 (3) (2000)
Roberto Tamassia, Ioannis G. Tollis, Jeffrey Scott Vitter
A Parallel Algorithm for Planar Orthogonal Grid Drawings. Parallel Process. Lett. 10 (1) (2000)
Rodolfo Castelló, Rym Mili, Ioannis G. Tollis
An Algorithmic Framework for Visualizing Statecharts. Graph Drawing (2000)
Janet M. Six, Ioannis G. Tollis
Circular Drawings of Biconnected Graphs. ALENEX (1999)
Janet M. Six, Ioannis G. Tollis
A Framework for Circular Drawings of Networks. Graph Drawing (1999)
Achilleas Papakostas, Ioannis G. Tollis
Algorithms for Incremental Orthogonal Graph Drawing in Three Dimensions. J. Graph Algorithms Appl. 3 (4) (1999)
Janet M. Six, Konstantinos G. Kakoulis, Ioannis G. Tollis
Refinement of Orthogonal Graph Drawings. Graph Drawing (1998)
Konstantinos G. Kakoulis, Ioannis G. Tollis
On the multiple label placement problem. CCCG (1998)

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Publication Activity (10 Years)

Top Topics

Top Venues

Ioannis G. Tollis