Aris Pagourtzis

Orcid: 0000-0002-6220-3722

According to our database1, Aris Pagourtzis authored at least 97 papers between 2001 and 2025.

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Bibliography

2025
Overlapping community detection using graph attention networks.
Future Gener. Comput. Syst., 2025

2024
Approximating subset sum ratio via partition computations.
Acta Informatica, June, 2024

AQQUA: Augmenting Quisquis with Auditability.
IACR Cryptol. ePrint Arch., 2024

On the Power of Counting the Total Number of Computation Paths of NPTMs.
Proceedings of the Theory and Applications of Models of Computation, 2024

Removable Online Knapsack with Bounded Size Items.
Proceedings of the SOFSEM 2024: Theory and Practice of Computer Science, 2024

The Computational Complexity of Finding Second-Order Stationary Points.
Proceedings of the Forty-first International Conference on Machine Learning, 2024

2023
Optimal circle search despite the presence of faulty robots.
Inf. Process. Lett., August, 2023

Byzantine fault tolerant symmetric-persistent circle evacuation.
Theor. Comput. Sci., May, 2023

Faster algorithms for k-subset sum and variations.
J. Comb. Optim., 2023

Anonymity and everlasting privacy in electronic voting.
Int. J. Inf. Sec., 2023

On the Approximability of External-Influence-Driven Problems.
CoRR, 2023

Byzantine Fault-Tolerant Protocols for (n, f)-Evacuation from a Circle.
Proceedings of the Algorithmics of Wireless Networks - 19th International Symposium, 2023

2022
Approximation schemes for subset-sums ratio problems.
Theor. Comput. Sci., 2022

Extension and its price for the connected vertex cover problem.
Theor. Comput. Sci., 2022

Completeness, approximability and exponential time results for counting problems with easy decision version.
Theor. Comput. Sci., 2022

Guest column: A panorama of counting problems the decision version of which is in P<sup>3</sup>.
SIGACT News, 2022

Designated-Verifier Linkable Ring Signatures.
IACR Cryptol. ePrint Arch., 2022

Designated-Verifier Linkable Ring Signatures with unconditional anonymity.
IACR Cryptol. ePrint Arch., 2022

Approximating Subset Sum Ratio via Subset Sum Computations.
Proceedings of the Combinatorial Algorithms - 33rd International Workshop, 2022

A parallel community detection algorithm based on spanning trees.
Proceedings of the Eighth IEEE International Conference on Big Data Computing Service and Applications, 2022

2021
Publicly auditable conditional blind signatures.
J. Comput. Secur., 2021

Primal-dual based distributed approximation algorithm for Prize-collecting Steiner tree.
Discret. Math. Algorithms Appl., 2021

2020
Characterizations and approximability of hard counting classes below #P.
CoRR, 2020

On the Complexity of the Upper r-Tolerant Edge Cover Problem.
Proceedings of the Topics in Theoretical Computer Science, 2020

Approximate #Knapsack Computations to Count Semi-fair Allocations.
Proceedings of the Theory and Applications of Models of Computation, 2020

Characterizations and Approximability of Hard Counting Classes Below \(\#\mathsf {P}\).
Proceedings of the Theory and Applications of Models of Computation, 2020

Approximation Schemes for Subset Sum Ratio Problems.
Proceedings of the Frontiers in Algorithmics - 14th International Workshop, 2020

Object Allocation and Positive Graph Externalities.
Proceedings of the ECAI 2020 - 24th European Conference on Artificial Intelligence, 29 August-8 September 2020, Santiago de Compostela, Spain, August 29 - September 8, 2020, 2020

Overlapping Community Detection via Minimum Spanning Tree Computations.
Proceedings of the 6th IEEE International Conference on Big Data Computing Service and Applications, 2020

2019
Preface to Special Issue on Algorithms and Complexity.
Theor. Comput. Sci., 2019

Security models for everlasting privacy.
IACR Cryptol. ePrint Arch., 2019

Parameterized Fine-Grained Reductions.
CoRR, 2019

Novel strategies for path stability estimation under topology change using Hello messaging in MANETs.
Ad Hoc Networks, 2019

Weight assignment on edges towards improved community detection.
Proceedings of the 23rd International Database Applications & Engineering Symposium, 2019

2018
Path multicoloring in spider graphs with even color multiplicity.
Inf. Process. Lett., 2018

Towards everlasting privacy and efficient coercion resistance in remote electronic voting.
IACR Cryptol. ePrint Arch., 2018

Minimum multiplicity edge coloring via orientation.
Discret. Appl. Math., 2018

Tight Bounds for Deterministic h-Shot Broadcast in Ad-Hoc Directed Radio Networks.
Proceedings of the 43rd International Symposium on Mathematical Foundations of Computer Science, 2018

A Faster FPTAS for the Subset-Sums Ratio Problem.
Proceedings of the Computing and Combinatorics - 24th International Conference, 2018

Community Detection via Neighborhood Overlap and Spanning Tree Computations.
Proceedings of the Algorithmic Aspects of Cloud Computing - 4th International Symposium, 2018

2017
Energy-efficient broadcasting in ad hoc wireless networks.
J. Discrete Algorithms, 2017

Conditional Blind Signatures.
IACR Cryptol. ePrint Arch., 2017

Reliable broadcast with respect to topology knowledge.
Distributed Comput., 2017

Joining Local Knowledge to Communicate Reliably (Extended Abstract).
CoRR, 2017

On the connection between interval size functions and path counting.
Comput. Complex., 2017

Different Speeds Suffice for Rendezvous of Two Agents on Arbitrary Graphs.
Proceedings of the SOFSEM 2017: Theory and Practice of Computer Science, 2017

Coercion Resistance in a Practical Secret Voting Scheme for Large Scale Elections.
Proceedings of the 14th International Symposium on Pervasive Systems, 2017

Reliable Communication via Semilattice Properties of Partial Knowledge.
Proceedings of the Fundamentals of Computation Theory - 21st International Symposium, 2017

Completeness Results for Counting Problems with Easy Decision.
Proceedings of the Algorithms and Complexity - 10th International Conference, 2017


2016
k-shot Broadcasting in Ad Hoc Radio Networks.
CoRR, 2016

Brief Announcement: Reliable Message Transmission under Partial Knowledge and General Adversaries.
Proceedings of the 2016 ACM Symposium on Principles of Distributed Computing, 2016

2015
Improved periodic data retrieval in asynchronous rings with a faulty host.
Theor. Comput. Sci., 2015

Reliable Message Transmission under Partial Knowledge.
IACR Cryptol. ePrint Arch., 2015

Scheduling Connections via Path and Edge Multicoloring.
Proceedings of the Ad-hoc, Mobile, and Wireless Networks - 14th International Conference, 2015

2014
Optimal Resilience Broadcast against Locally Bounded and General Adversaries.
IACR Cryptol. ePrint Arch., 2014

The Lazy Matroid Problem.
Proceedings of the Theoretical Computer Science, 2014

2013
On the Resilience and Uniqueness of CPA for Secure Broadcast.
IACR Cryptol. ePrint Arch., 2013

The Lazy Bureaucrat Problem with Common Arrivals and Deadlines: Approximation and Mechanism Design.
Proceedings of the Fundamentals of Computation Theory - 19th International Symposium, 2013

Selfish Resource Allocation in Optical Networks.
Proceedings of the Algorithms and Complexity, 8th International Conference, 2013

A Graph Parameter That Matches the Resilience of the Certified Propagation Algorithm.
Proceedings of the Ad-hoc, Mobile, and Wireless Network - 12th International Conference, 2013

2012
On a Noncooperative Model for Wavelength Assignment in Multifiber Optical Networks.
IEEE/ACM Trans. Netw., 2012

2011
An experimental study of maximum profit wavelength assignment in WDM rings.
Networks, 2011

Oblivious k-shot Broadcasting in Ad Hoc Radio Networks.
Proceedings of the Seventeenth Computing: The Australasian Theory Symposium, 2011

2010
Brief announcement: k-shot distributed broadcasting in radio networks.
Proceedings of the 29th Annual ACM Symposium on Principles of Distributed Computing, 2010

2009
Improved methods for extracting frequent itemsets from interim-support trees.
Softw. Pract. Exp., 2009

Colored Resource Allocation Games.
Proceedings of the 8th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, 2009

2008
On the Complexity of Variations of Equal Sum Subsets.
Nord. J. Comput., 2008

On a Non-cooperative Model for Wavelength Assignment in Multifiber Optical Networks.
Proceedings of the Algorithms and Computation, 19th International Symposium, 2008

Maximum Profit Wavelength Assignment in WDM Rings.
Proceedings of the Seventh Cologne Twente Workshop on Graphs and Combinatorial Optimization, 2008

2007
Path multicoloring with fewer colors in spiders and caterpillars.
Computing, 2007

Deterministic Communication in Radio Networks with Large Labels.
Algorithmica, 2007

Randomized and Approximation Algorithms for Blue-Red Matching.
Proceedings of the Mathematical Foundations of Computer Science 2007, 2007

A fast parallel algorithm for frequent itemsets mining.
Proceedings of the Artificial Intelligence and Innovations 2007: from Theory to Applications, 2007

Selfish Routing and Path Coloring in All-Optical Networks.
Proceedings of the Combinatorial and Algorithmic Aspects of Networking, 4th Workshop, 2007

2006
Computing frequent itemsets in parallel using partial support trees.
J. Syst. Softw., 2006

Routing and wavelength assignment in multifiber WDM networks with non-uniform fiber cost.
Comput. Networks, 2006

The Complexity of Counting Functions with Easy Decision Version.
Proceedings of the Mathematical Foundations of Computer Science 2006, 2006

Distributed Routing in Tree Networks with Few Landmarks.
Proceedings of the Combinatorial and Algorithmic Aspects of Networking, Third Workshop, 2006

Periodic Metro Scheduling.
Proceedings of the ATMOS 2006, 2006

2005
Computing Frequent Itemsets in Parallel Using Partial Support Trees.
Proceedings of the Recent Advances in Parallel Virtual Machine and Message Passing Interface, 2005

Routing and Wavelength Assignment in Generalized WDM Tree Networks of Bounded Degree.
Proceedings of the Advances in Informatics, 2005

2004
Fiber Cost Reduction and Wavelength Minimization in Multifiber WDM Networks.
Proceedings of the NETWORKING 2004, 2004

2003
Satisfying a maximum number of pre-routed requests in all-optical rings.
Comput. Networks, 2003

Coarse-Grained Parallel Transitive Closure Algorithm: Path Decomposition Technique.
Comput. J., 2003

Resource Allocation Problems in Multifiber WDM Tree Networks.
Proceedings of the Graph-Theoretic Concepts in Computer Science, 2003

Flexible Train Rostering.
Proceedings of the Algorithms and Computation, 14th International Symposium, 2003

Minimizing Request Blocking in All-Optical Rings.
Proceedings of the Proceedings IEEE INFOCOM 2003, The 22nd Annual Joint Conference of the IEEE Computer and Communications Societies, San Franciso, CA, USA, March 30, 2003

Composing Equipotent Teams.
Proceedings of the Fundamentals of Computation Theory, 14th International Symposium, 2003

2002
Observations on Parallel Computation of Transitive and Max-Closure Problems.
Proceedings of the Recent Advances in Parallel Virtual Machine and Message Passing Interface, 9th European PVM/MPI Users' Group Meeting, Linz, Austria, September 29, 2002

Server Placements, Roman Domination and other Dominating Set Variants.
Proceedings of the Foundations of Information Technology in the Era of Networking and Mobile Computing, 2002

Deterministic Communication in Radio Networks with Large Labels.
Proceedings of the Algorithms, 2002

2001
Routing and path multicoloring.
Inf. Process. Lett., 2001

PVM Computation of the Transitive Closure: The Dependency Graph Approach.
Proceedings of the Recent Advances in Parallel Virtual Machine and Message Passing Interface, 2001

Acceptor-Definable Counting Classes.
Proceedings of the Advances in Informatics, 8th Panhellenic Conference on Informatics, 2001

On the Complexity of Train Assignment Problems.
Proceedings of the Algorithms and Computation, 12th International Symposium, 2001

Oblivious gossiping in ad-hoc radio networks.
Proceedings of the 5th International Workshop on Discrete Algorithms and Methods for Mobile Computing and Communications (DIAL-M 2001), 2001


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