Afonso Ferreira

According to our database, Afonso Ferreira authored at least 100 papers between 1989 and 2023.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of three.

2023

The Interplay Between Policy and Technology in Metaverses: Towards Seamless Avatar Interoperability Using Self-Sovereign Identity.

Romain Laborde, Afonso Ferreira, Cristian Lepore, Mohamed Ali Kandi, Michelle Sibilla, Abdelmalek Benzekri

Proceedings of the IEEE International Conference on Metaverse Computing, 2023

2022

OC4-SO: A New Chlorophyll-a Algorithm for the Western Antarctic Peninsula Using Multi-Sensor Satellite Data.

Afonso Ferreira, Ana C. Brito, Carlos R. B. Mendes, Vanda Brotas, Raul R. Costa, Catarina V. Guerreiro, Carolina Sá, Thomas Jackson

Remote. Sens., 2022

Evaluation of SMOS L4 Sea Surface Salinity Product in the Western Iberian Coast.

Beatriz Biguino, Estrella Olmedo, Afonso Ferreira, Nuno Zacarias, Luísa Lamas, Luciane Rafaele Favareto, Carla Palma, Carlos Borges, Ana Teles-Machado, Joaquim Dias, Paola Castellanos, Ana C. Brito

Remote. Sens., 2022

Governance Foundations for the European Cybersecurity Community.

Afonso Ferreira, Christina von Wintzingerode, Dirk Müllmann, Abdelmalek Benzekri, Pierre-Henri Cros, Indra Spiecker genannt Döhmann, Elvire Prochilo

Proceedings of the Digital Sovereignty in Cyber Security: New Challenges in Future Vision, 2022

2021

Assessing Phytoplankton Bloom Phenology in Upwelling-Influenced Regions Using Ocean Color Remote Sensing.

Afonso Ferreira, Vanda Brotas, Carla Palma, Carlos Borges, Ana C. Brito

Remote. Sens., 2021

Stakeholder perspectives and requirements on cybersecurity in Europe.

Simone Fischer-Hübner, Cristina Alcaraz, Afonso Ferreira, M. Carmen Fernández Gago, Javier López, Evangelos P. Markatos, Lejla Islami, Mahdi Akil

J. Inf. Secur. Appl., 2021

2018

Two Low Complexity MRC and EGC Based Receivers for SC-FDE Modulations with Massive MIMO Schemes.

David Borges, Paulo Montezuma, Afonso Ferreira, Rui Dinis

J. Signal Process. Syst., 2018

2017

A Power Efficient Technique for Double Layer Massive MIMO Schemes.

Afonso Ferreira, Guilherme Gaspar, Paulo Montezuma, Rui Dinis, Dushantha Nalin K. Jayakody

Proceedings of the 86th IEEE Vehicular Technology Conference, 2017

A low complexity channel estimation scheme for Massive MIMO systems.

Afonso Ferreira, Guilherme Gaspar, Paulo Montezuma, Rui Dinis, Rodolfo Oliveira

Proceedings of the 13th International Wireless Communications and Mobile Computing Conference, 2017

2012

Computing multicast trees in dynamic networks and the complexity of connected components in evolving graphs.

Sandeep Bhadra, Afonso Ferreira

J. Internet Serv. Appl., 2012

2011

On the Assumptions about Network Dynamics in Distributed Computing

Arnaud Casteigts, Serge Chaumette, Afonso Ferreira

CoRR, 2011

2010

Performance evaluation of routing protocols for MANETs with known connectivity patterns using evolving graphs.

Afonso Ferreira, Alfredo Goldman, Julian Monteiro

Wirel. Networks, 2010

Fractional Path Coloring in Bounded Degree Trees with Applications.

Ioannis Caragiannis, Afonso Ferreira, Christos Kaklamanis, Stéphane Pérennes, Hervé Rivano

Algorithmica, 2010

2009

Parallel Computing: Models.

Afonso Ferreira

Proceedings of the Encyclopedia of Optimization, Second Edition, 2009

A Filtering Algorithm for Highly Noisy Images of Brazilian ATM Bank Checks.

Carlos A. B. Mello, Byron L. D. Bezerra, Afonso Ferreira, Juliano C. B. Rabelo

Proceedings of the IEEE International Conference on Systems, 2009

Characterizing Topological Assumptions of Distributed Algorithms in Dynamic Networks.

Arnaud Casteigts, Serge Chaumette, Afonso Ferreira

Proceedings of the Structural Information and Communication Complexity, 2009

2007

Neighborhood Broadcasting in Hypercubes.

Jean-Claude Bermond, Afonso Ferreira, Stéphane Pérennes, Joseph G. Peters

SIAM J. Discret. Math., 2007

On the Evaluation of Shortest Journeys in Dynamic Networks.

Afonso Ferreira, Alfredo Goldman, Julian Monteiro

Proceedings of the Sixth IEEE International Symposium on Network Computing and Applications (NCA 2007), 12, 2007

2006

Revisiting parametric multi-terminal problems: Maximum flows, minimum cuts and cut-tree computations.

Dominique Barth, Pascal Berthomé, Madiagne Diallo, Afonso Ferreira

Discret. Optim., 2006

Performance Evaluation of Dynamic Networks using an Evolving Graph Combinatorial Model.

Julian Monteiro, Alfredo Goldman, Afonso Ferreira

Proceedings of the 2006 IEEE International Conference on Wireless and Mobile Computing, 2006

2004

Building a reference combinatorial model for MANETs.

Afonso Ferreira

IEEE Netw., 2004

Approximate constrained bipartite edge coloring.

Ioannis Caragiannis, Afonso Ferreira, Christos Kaklamanis, Stephane Perennes, Pino Persiano, Hervé Rivano

Discret. Appl. Math., 2004

2003

Models, Complexity and Algorithms for the Design of Multi-fiber WDM Networks.

Afonso Ferreira, Stephane Perennes, Hervé Rivano, Andréa W. Richa, Nicolás E. Stier Moses

Telecommun. Syst., 2003

Computing Shortest, Fastest, and Foremost Journeys in Dynamic Networks.

Binh-Minh Bui-Xuan, Afonso Ferreira, Aubin Jarry

Int. J. Found. Comput. Sci., 2003

The Minimum Range Assignment Problem on Linear Radio Networks.

Andrea E. F. Clementi, Paolo Penna, Afonso Ferreira, Stephane Perennes, Riccardo Silvestri

Algorithmica, 2003

Generalized Parametric Multi-terminal Flows Problem.

Pascal Berthomé, Madiagne Diallo, Afonso Ferreira

Proceedings of the Graph-Theoretic Concepts in Computer Science, 2003

Complexity of Connected Components in Evolving Graphs and the Computation of Multicast Trees in Dynamic Networks.

Sandeep Bhadra, Afonso Ferreira

Proceedings of the Ad-Hoc, Mobile, and Wireless Networks, Second International Conference, 2003

2002

Isomorphisms of the De Bruijn digraph and free-space optical networks.

David Coudert, Afonso Ferreira, Stephane Perennes

Networks, 2002

Parallel computation on interval graphs: algorithms and experiments.

Afonso Ferreira, Isabelle Guérin Lassous, K. Marcus, Andrew Rau-Chaplin

Concurr. Comput. Pract. Exp., 2002

Efficient Parallel Graph Algorithms for Coarse-Grained Multicomputers and BSP.

Frank K. H. A. Dehne, Afonso Ferreira, Edson Cáceres, Siang W. Song, Alessandro Roncato

Algorithmica, 2002

2001

A Probabilistic Study of Inter-Satellite Links Load in Polar Orbit Satellite Constellations.

Patrick Bergé, Afonso Ferreira, Jérôme Galtier, Jean-Noël Petit

Telecommun. Syst., 2001

A Note on Communication-Efficient Deterministic Parallel Algorithms for Planar Point Location and 2D Voronoï Diagram.

Mohamadou Diallo, Afonso Ferreira, Andrew Rau-Chaplin

Parallel Process. Lett., 2001

DIAL M for Mobility: Discrete Algorithms and Methods for Mobile Computing and Communications.

Afonso Ferreira, Daniel Krob

Mob. Networks Appl., 2001

Re-routing algorithms in a meshed satellite constellation.

Afonso Ferreira, Jérôme Galtier, Jean-Noël Petit, Hervé Rivano

Ann. des Télécommunications, 2001

Fractional Path Coloring with Applications to WDM Networks.

Ioannis Caragiannis, Afonso Ferreira, Christos Kaklamanis, Stephane Perennes, Hervé Rivano

Proceedings of the Automata, Languages and Programming, 28th International Colloquium, 2001

2000

Broadcasting in Bus Interconnection Networks.

Afonso Ferreira, Alfredo Goldman, Siang W. Song

J. Interconnect. Networks, 2000

Sorting-Based Selection Algorithms for Hypercubic Networks.

Pascal Berthomé, Afonso Ferreira, Bruce M. Maggs, Stephane Perennes, C. Greg Plaxton

Algorithmica, 2000

On Shortest Path Problems with "Non-Markovian" Link Contribution to Path Lengths.

Arunabha Sen, K. Selçuk Candan, Afonso Ferreira, Bruno Beauquier, Stephane Perennes

Proceedings of the NETWORKING 2000, 2000

An Optimization Model for Routing in Low Earth Orbit Satellite Constellations.

Afonso Ferreira, Jérôme Galtier, P. Mahey, G. Mateus, A. Oliveira, M. Pichereau

Proceedings of the 5th International Symposium on Parallel Architectures, 2000

Workshop on Optics and Computer Science (WOCS 2000).

Fouad E. Kiamilev, Jeremy Ekman, Afonso Ferreira, Sadik C. Esener, Yi Pan, Keqin Li

Proceedings of the Parallel and Distributed Processing, 2000

De Bruijn Isomorphisms and Free Space Optical Networks.

David Coudert, Afonso Ferreira, Stephane Perennes

Proceedings of the 14th International Parallel & Distributed Processing Symposium (IPDPS'00), 2000

1999

Scheduling Multiprocessor Tasks with Genetic Algorithms.

Ricardo C. Corrêa, Afonso Ferreira, Pascal Rebreyend

IEEE Trans. Parallel Distributed Syst., 1999

A Randomized BSP/CGM Algorithm for the Maximal Independent Set Problem.

Afonso Ferreira, Nicolas Schabanel

Parallel Process. Lett., 1999

Computing the Medial Axis Transform in Parallel With Eight Scan Operations.

Afonso Ferreira, Stéphane Ubéda

IEEE Trans. Pattern Anal. Mach. Intell., 1999

Scalable 2D Convex Hull and Triangulation Algorithms for Coarse Grained Multicomputers.

Mohamadou Diallo, Afonso Ferreira, Andrew Rau-Chaplin, Stéphane Ubéda

J. Parallel Distributed Comput., 1999

<i>d</i>-Dimensional Range Search on Multicomputers.

Afonso Ferreira, Claire Kenyon, Andrew Rau-Chaplin, Stéphane Ubéda

Algorithmica, 1999

OTIS-Based Multi-Hop Multi-OPS Lightwave Networks.

David Coudert, Afonso Ferreira, Xavier Muñoz

Proceedings of the Parallel and Distributed Processing, 1999

A Polynomial-Time Branching Procedure for the Multiprocessor Scheduling Problem.

Ricardo C. Corrêa, Afonso Ferreira

Proceedings of the Euro-Par '99 Parallel Processing, 5th International Euro-Par Conference, Toulouse, France, August 31, 1999

1998

Special Issue on Irregular Problems in Supercomputing Applications: Guest Editors' Introduction.

Afonso Ferreira, José D. P. Rolim

J. Parallel Distributed Comput., 1998

A Performance Comparison Between Graph and Hypergraph Topologies for Passive Star WDM Lightwave Networks.

H. Bourdin, Afonso Ferreira, K. Marcus

Comput. Networks, 1998

Communication-Efficient Deterministic Parallel Algorithms for Planar Point Location and 2d Voronoi Diagram.

Mohamadou Diallo, Afonso Ferreira, Andrew Rau-Chaplin

Proceedings of the STACS 98, 1998

Multiprocessor Architectures Using Multi-Hop Multi-OPS Lightwave Networks and Distributed Control.

David Coudert, Afonso Ferreira, Xavier Muñoz

Proceedings of the 12th International Parallel Processing Symposium / 9th Symposium on Parallel and Distributed Processing (IPPS/SPDP '98), March 30, 1998

Parallel Computation on Interval Graphs Using PC CLusters: Algorithms and Experiments.

Afonso Ferreira, Isabelle Guérin Lassous, K. Marcus, Andrew Rau-Chaplin

Proceedings of the Euro-Par '98 Parallel Processing, 1998

1997

Communication Issues in Parallel Systems with Optical Interconnections.

Pascal Berthomé, Afonso Ferreira

Int. J. Found. Comput. Sci., 1997

Embedding Tori in Partitioned Optical Passive Star Networks.

Pascal Berthomé, Johanne Cohen, Afonso Ferreira

Proceedings of the SIROCCO'97, 1997

d-Dimensional Range Search on Multicomputers.

Afonso Ferreira, Claire Kenyon, Andrew Rau-Chaplin, Stéphane Ubéda

Proceedings of the 11th International Parallel Processing Symposium (IPPS '97), 1997

Efficient Parallel Graph Algorithms For Coarse Grained Multicomputers and BSP.

Edson Cáceres, Frank K. H. A. Dehne, Afonso Ferreira, Paola Flocchini, Ingo Rieping, Alessandro Roncato, Nicola Santoro, Siang W. Song

Proceedings of the Automata, Languages and Programming, 24th International Colloquium, 1997

1996

Optimal Information Dissemination in Star and Pancake Networks.

Pascal Berthomé, Afonso Ferreira, Stephane Perennes

IEEE Trans. Parallel Distributed Syst., 1996

Foreword to the Special Issue on Parallelism.

Afonso Ferreira, José D. P. Rolim

Theor. Comput. Sci., 1996

Randomized Routing on Generalized Hypercubes.

Afonso Ferreira, Miltos D. Grammatikakis

Theor. Comput. Sci., 1996

Gossiping in Bus Interconnection Networks.

Afonso Ferreira, Alfredo Goldman vel Lejbman, Siang Wun Song

Parallel Algorithms Appl., 1996

Fast and Scalable Parallel Algorithms for Knapsack-like Problems.

Afonso Ferreira, John Michael Robson

J. Parallel Distributed Comput., 1996

Integrating list heuristics into genetic algorithms for multiprocessor scheduling.

Ricardo C. Corrêa, Afonso Ferreira, Pascal Rebreyend

Proceedings of the Eighth IEEE Symposium on Parallel and Distributed Processing, 1996

SCOOP: Solving Combinatorial Optimization Problems in Parallel.

Afonso Ferreira, Panos M. Pardalos

Proceedings of the Solving Combinatorial Optimization Problems in Parallel, 1996

Parallel best-first branch-and-bound in discrete optimization: a framework.

Ricardo C. Corrêa, Afonso Ferreira

Proceedings of the Solving Combinatorial Optimization Problems in Parallel, 1996

Achieving Good Performance for Dictionary Machines: A Scalable Distributed Data Balancing Technique.

Thibault Duboux, Afonso Ferreira

Proceedings of the 4th Euromicro Workshop on Parallel and Distributed Processing (PDP '96), 1996

On Stack-Graph OPS-Based Lightwave Networks.

H. Bourdin, Afonso Ferreira, K. Marcus

Proceedings of the Euro-Par '96 Parallel Processing, 1996

1995

On the Effectiveness of Synchronous Parallel Branch-and-Bound Algorithms.

Ricardo C. Corrêa, Afonso Ferreira

Parallel Process. Lett., 1995

A scalable design for VLSI dictionary machines.

Thibault Duboux, Afonso Ferreira, Michel Gastaldo

Microprocess. Microprogramming, 1995

Work and Memory-Efficient Parallel Algorithms for the Knapsack Problem.

Afonso Ferreira

Int. J. High Speed Comput., 1995

Hypercube Algorithms for Parallel Processing of Pointer-Based Quadtrees.

Frank K. H. A. Dehne, Andrew Rau-Chaplin, Afonso Ferreira

Comput. Vis. Image Underst., 1995

Scalable 2d convex hull and triangulation algorithms for coarse grained multicomputers.

Afonso Ferreira, Andrew Rau-Chaplin, Stéphane Ubéda

Proceedings of the Seventh IEEE Symposium on Parallel and Distributed Processing, 1995

Parallel complexity of the medial axis computation.

Afonso Ferreira, Stéphane Ubéda

Proceedings of the Proceedings 1995 International Conference on Image Processing, 1995

1994

Ultra-fast parallel contour tracking, with applications to thinning.

Afonso Ferreira, Stéphane Ubéda

Pattern Recognit., 1994

A Massively Parallel Knowledge-Base Server Using a Hypercube Multiprocessor.

Frank K. H. A. Dehne, Afonso Ferreira, Andrew Rau-Chaplin

Parallel Comput., 1994

Time-optimal Geometric Algorithms in Hypercubic Networks.

Pascal Berthomé, Afonso Ferreira

Parallel Algorithms Appl., 1994

Bus-Based Parallel Computers: A Viable Way for Massive Parallelism.

Afonso Ferreira, Alfredo Goldman vel Lejbman, Siang W. Song

Proceedings of the PARLE '94: Parallel Architectures and Languages Europe, 1994

Improved Probabilistic Routing on Generalized Hypercubes.

Afonso Ferreira, Miltos D. Grammatikakis

Proceedings of the PARLE '94: Parallel Architectures and Languages Europe, 1994

Modeling Parallel Branch-and-Bound for Asynchronous Implementations.

Ricardo C. Corrêa, Afonso Ferreira

Proceedings of the Workshop on Parallel Processing of Discrete Optimization Problems, 1994

On broadcasting schemes in restricted optical passive star systems.

Pascal Berthomé, Afonso Ferreira

Proceedings of the Workshop on Interconnection Networks and Mapping and Scheduling Parallel Computations, 1994

1993

On Space-Efficient Algorithms for Certain NP-Complete Problems.

Afonso Ferreira

Theor. Comput. Sci., 1993

Ultra-Fast Parallel Contour Tracking and Thinning.

Afonso Ferreira, Stéphane Ubéda

Proceedings of the Parallel Computing: Trends and Applications, 1993

Sorting-Based Selection Algorithms for Hypercube Networks.

Pascal Berthomé, Afonso Ferreira, Bruce M. Maggs, Stephane Perennes, C. Greg Plaxton

Proceedings of the Seventh International Parallel Processing Symposium, 1993

1992

Data-Movement-Intensive Problems: Two Folk Theorems in Parallel Computation Revisited.

Selim G. Akl, Michel Cosnard, Afonso Ferreira

Theor. Comput. Sci., 1992

Achieving optimality for gate matrix layout and PLA folding: a graph theoretic approach.

Afonso G. Ferreira, Siang Wun Song

Integr., 1992

Parallel Fractional Cascading on Hypercube Multiprocessors.

Frank K. H. A. Dehne, Afonso Ferreira, Andrew Rau-Chaplin

Comput. Geom., 1992

Revisiting Parallel Speedup Complexity.

Selim G. Akl, Michel Cosnard, Afonso Ferreira

Proceedings of the Computing and Information, 1992

MIMD Dictionary Machines: From Theory to Practice.

Thibault Duboux, Afonso Ferreira, Michel Gastaldo

Proceedings of the Parallel Processing: CONPAR 92, 1992

1991

A Parallel Time/Hardware Tradeoff T . H = O(2^{n/2}) for the Knapsack Problem.

Afonso Ferreira

IEEE Trans. Computers, 1991

On the Real Power of Loosely Coupled Parallel Architectures.

Michel Cosnard, Afonso Ferreira

Parallel Process. Lett., 1991

Efficient Parallel Construction and Manipulation of Quadtrees.

Frank K. H. A. Dehne, Afonso Ferreira, Andrew Rau-Chaplin

Proceedings of the International Conference on Parallel Processing, 1991

A Tight Lower Bound for Selection in Sorted X+Y.

Michel Cosnard, Afonso Ferreira

Proceedings of the Advances in Computing and Information, 1991

1990

Contributions à la recherche dans des ensembles ordonnés : du séquentiel au parallèle. (Contributions to searching in sorted sets: from sequential to parallel models).

Afonso Galvao Ferreira

PhD thesis, 1990

A. G. Ferreira Parallel branch and bound on fine-grained hypercube multiprocessors.

Frank K. H. A. Dehne, Afonso Ferreira, Andrew Rau-Chaplin

Parallel Comput., 1990

The Complexity of Searching in X+Y and Other Multisets.

Michel Cosnard, Jean Duprat, Afonso Ferreira

Inf. Process. Lett., 1990

1989

Complexity of Selection in X + Y.

Michel Cosnard, Jean Duprat, Afonso Ferreira

Theor. Comput. Sci., 1989

The two list algorithm for the knapsack problem on a FPS T20.

Michel Cosnard, Afonso Ferreira, Hugo Herbelin

Parallel Comput., 1989

Generating Permutations on a VLSI Suitable Linear Network.

Michel Cosnard, Afonso Ferreira

Comput. J., 1989

Parallel branch and bound on fine-grained hypercube multiprocessors.

Frank Dehne, Afonso G. Ferreira, Andrew Rau-Chaplin

Proceedings of the IEEE International Workshop on Tools for Artificial Intelligence: Architectures, 1989

Parallel Algorithms for Searching In X+Y.

Michel Cosnard, Afonso Ferreira

Proceedings of the International Conference on Parallel Processing, 1989