Alexandru Costan

Publication Activity (10 Years)

Years Active: 2005-2025
Publications (10 Years): 39

Top Topics

Scientific Workflows

Stream Processing

Top Venues

Future Gener. Comput. Syst.

Publications

Thomas Bouvier, Bogdan Nicolae, Alexandru Costan, Tekin Bicer, Ian T. Foster, Gabriel Antoniu
Efficient distributed continual learning for steering experiments in real-time. Future Gener. Comput. Syst. 162 (2025)
Cèdric Prigent, Alexandru Costan, Gabriel Antoniu, Loïc Cudennec
Enabling federated learning across the computing continuum: Systems, challenges and future directions. Future Gener. Comput. Syst. 160 (2024)
Thomas Bouvier, Bogdan Nicolae, Hugo Chaugier, Alexandru Costan, Ian T. Foster, Gabriel Antoniu
Efficient Data-Parallel Continual Learning with Asynchronous Distributed Rehearsal Buffers. CoRR (2024)
Melvin Chelli, Cèdric Prigent, René Schubotz, Alexandru Costan, Gabriel Antoniu, Loïc Cudennec, Philipp Slusallek
FedGuard: Selective Parameter Aggregation for Poisoning Attack Mitigation in Federated Learning. CLUSTER (2023)
Daniel Rosendo, Kate Keahey, Alexandru Costan, Matthieu Simonin, Patrick Valduriez, Gabriel Antoniu
KheOps: Cost-effective Repeatability, Reproducibility, and Replicability of Edge-to-Cloud Experiments. ACM-REP (2023)
Daniel Rosendo, Marta Mattoso, Alexandru Costan, Renan Souza, Débora B. Pina, Patrick Valduriez, Gabriel Antoniu
ProvLight: Efficient Workflow Provenance Capture on the Edge-to-Cloud Continuum. CoRR (2023)
Daniel Rosendo, Kate Keahey, Alexandru Costan, Matthieu Simonin, Patrick Valduriez, Gabriel Antoniu
KheOps: Cost-effective Repeatability, Reproducibility, and Replicability of Edge-to-Cloud Experiments. CoRR (2023)
Daniel Rosendo, Marta Mattoso, Alexandru Costan, Renan Souza, Débora B. Pina, Patrick Valduriez, Gabriel Antoniu
ProvLight: Efficient Workflow Provenance Capture on the Edge-to-Cloud Continuum. CLUSTER (2023)
Alexandru Costan, Bogdan Nicolae, Kento Sato
FlexScience'22: 12th Workshop on AI and Scientific Computing at Scale using Flexible Computing Infrastructures. HPDC (2022)
Daniel Rosendo, Alexandru Costan, Patrick Valduriez, Gabriel Antoniu
Distributed intelligence on the Edge-to-Cloud Continuum: A systematic literature review. CoRR (2022)
Cèdric Prigent, Loïc Cudennec, Alexandru Costan, Gabriel Antoniu
A Methodology to Build Decision Analysis Tools Applied to Distributed Reinforcement Learning. IPDPS Workshops (2022)
Daniel Rosendo, Alexandru Costan, Patrick Valduriez, Gabriel Antoniu
Distributed intelligence on the Edge-to-Cloud Continuum: A systematic literature review. J. Parallel Distributed Comput. 166 (2022)
Daniel Rosendo, Alexandru Costan, Gabriel Antoniu, Matthieu Simonin, Jean-Christophe Lombardo, Alexis Joly, Patrick Valduriez
Reproducible Performance Optimization of Complex Applications on the Edge-to-Cloud Continuum. CLUSTER (2021)
Daniel Balouek-Thomert, Pedro Silva, Kevin Fauvel, Alexandru Costan, Gabriel Antoniu, Manish Parashar
MDSC: modelling distributed stream processing across the edge-to-cloud continuum. UCC Companion (2021)
Daniel Rosendo, Alexandru Costan, Gabriel Antoniu, Patrick Valduriez
Enabling Reproducible Analysis of Complex Workflows on the Edge-to-Cloud Continuum. CoRR (2021)
Daniel Rosendo, Alexandru Costan, Gabriel Antoniu, Matthieu Simonin, Jean-Christophe Lombardo, Alexis Joly, Patrick Valduriez
Reproducible Performance Optimization of Complex Applications on the Edge-to-Cloud Continuum. CoRR (2021)
Ovidiu-Cristian Marcu, Alexandru Costan, Bogdan Nicolae, Gabriel Antonin
Virtual Log-Structured Storage for High-Performance Streaming. CLUSTER (2021)
Pierre Matri, Yevhen Alforov, Álvaro Brandón, María S. Pérez, Alexandru Costan, Gabriel Antoniu, Michael Kuhn, Philip H. Carns, Thomas Ludwig
Mission possible: Unify HPC and Big Data stacks towards application-defined blobs at the storage layer. Future Gener. Comput. Syst. 109 (2020)
Kevin Fauvel, Daniel Balouek-Thomert, Diego Melgar, Pedro Silva, Anthony Simonet, Gabriel Antoniu, Alexandru Costan, Véronique Masson, Manish Parashar, Ivan Rodero, Alexandre Termier
A Distributed Multi-Sensor Machine Learning Approach to Earthquake Early Warning. AAAI (2020)
Daniel Rosendo, Pedro Silva, Matthieu Simonin, Alexandru Costan, Gabriel Antoniu
E2Clab: Exploring the Computing Continuum through Repeatable, Replicable and Reproducible Edge-to-Cloud Experiments. CLUSTER (2020)
Pedro Silva, Alexandru Costan, Gabriel Antoniu
Towards a Methodology for Benchmarking Edge Processing Frameworks. IPDPS Workshops (2019)
Athanasios Kiatipis, Álvaro Brandón, Rizkallah Touma, Pierre Matri, Michal Zasadzinski, Linh Thuy Nhuyen, Adrien Lebre, Alexandru Costan
A Survey of Benchmarks to Evaluate Data Analytics for Smart-* Applications. CoRR (2019)
Pedro Silva, Alexandru Costan, Gabriel Antoniu
Investigating Edge vs. Cloud Computing Trade-offs for Stream Processing. IEEE BigData (2019)
Ji Liu, Luis Pineda-Morales, Esther Pacitti, Alexandru Costan, Patrick Valduriez, Gabriel Antoniu, Marta Mattoso
Efficient Scheduling of Scientific Workflows Using Hot Metadata in a Multisite Cloud. IEEE Trans. Knowl. Data Eng. 31 (10) (2019)
Ovidiu-Cristian Marcu, Alexandru Costan, Gabriel Antoniu, María S. Pérez-Hernández, Bogdan Nicolae, Radu Tudoran, Stefano Bortoli
KerA: Scalable Data Ingestion for Stream Processing. ICDCS (2018)
Pierre Matri, Philip H. Carns, Robert B. Ross, Alexandru Costan, María S. Pérez, Gabriel Antoniu
SLoG: Large-Scale Logging Middleware for HPC and Big Data Convergence. ICDCS (2018)
Pierre Matri, María S. Pérez, Alexandru Costan, Luc Bougé, Gabriel Antoniu
Keeping up with storage: Decentralized, write-enabled dynamic geo-replication. Future Gener. Comput. Syst. 86 (2018)
Pierre Matri, María S. Pérez, Alexandru Costan, Gabriel Antoniu
TýrFS: Increasing Small Files Access Performance with Dynamic Metadata Replication. CCGrid (2018)
Florin Pop, Ciprian Dobre, Alexandru Costan
AutoCompBD: Autonomic Computing and Big Data platforms. Soft Comput. 21 (16) (2017)
Ovidiu-Cristian Marcu, Alexandru Costan, Gabriel Antoniu, María S. Pérez-Hernández, Radu Tudoran, Stefano Bortoli, Bogdan Nicolae
Towards a unified storage and ingestion architecture for stream processing. IEEE BigData (2017)
Paul Le Noac'h, Alexandru Costan, Luc Bougé
A performance evaluation of Apache Kafka in support of big data streaming applications. IEEE BigData (2017)
Ovidiu-Cristian Marcu, Radu Tudoran, Bogdan Nicolae, Alexandru Costan, Gabriel Antoniu, María S. Pérez-Hernández
Exploring Shared State in Key-Value Store for Window-Based Multi-Pattern Streaming Analytics. CCGrid (2017)
Radu Tudoran, Alexandru Costan, Olivier Nano, Ivo Santos, Hakan Soncu, Gabriel Antoniu
JetStream: Enabling high throughput live event streaming on multi-site clouds. Future Gener. Comput. Syst. 54 (2016)
Luis Pineda-Morales, Ji Liu, Alexandru Costan, Esther Pacitti, Gabriel Antoniu, Patrick Valduriez, Marta Mattoso
Managing hot metadata for scientific workflows on multisite clouds. IEEE BigData (2016)
Pierre Matri, Alexandru Costan, Gabriel Antoniu, Jesús Montes, María S. Pérez
Towards Efficient Location and Placement of Dynamic Replicas for Geo-Distributed Data Stores. ScienceCloud@HPDC (2016)
Pierre Matri, Alexandru Costan, Gabriel Antoniu, Jesús Montes, María S. Pérez
Týr: blob storage meets built-in transactions. SC (2016)
Alexandru Costan, Radu Tudoran, Gabriel Antoniu, Goetz Brasche
TomusBlobs: scalable data-intensive processing on Azure clouds. Concurr. Comput. Pract. Exp. 28 (4) (2016)
Radu Tudoran, Alexandru Costan, Gabriel Antoniu
OverFlow: Multi-Site Aware Big Data Management for Scientific Workflows on Clouds. IEEE Trans. Cloud Comput. 4 (1) (2016)
Ovidiu-Cristian Marcu, Alexandru Costan, Gabriel Antoniu, María S. Pérez-Hernández
Spark Versus Flink: Understanding Performance in Big Data Analytics Frameworks. CLUSTER (2016)
Luis Pineda-Morales, Alexandru Costan, Gabriel Antoniu
Towards Multi-site Metadata Management for Geographically Distributed Cloud Workflows. CLUSTER (2015)
Benoit Da Mota, Radu Tudoran, Alexandru Costan, Gaël Varoquaux, Goetz Brasche, Patricia J. Conrod, Hervé Lemaître, Tomás Paus, Marcella Rietschel, Vincent Frouin, Jean-Baptiste Poline, Gabriel Antoniu, Bertrand Thirion
Generic Machine Learning Pattern for Neuroimaging-Genetic Studies in the Cloud. Frontiers Neuroinformatics 8 (2014)
Radu Tudoran, Alexandru Costan, Gabriel Antoniu
Transfer as a Service: Towards a Cost-Effective Model for Multi-site Cloud Data Management. SRDS (2014)
Radu Tudoran, Olivier Nano, Ivo Santos, Alexandru Costan, Hakan Soncu, Luc Bougé, Gabriel Antoniu
JetStream: enabling high performance event streaming across cloud data-centers. DEBS (2014)
Radu Tudoran, Olivier Nano, Ivo Santos, Alexandru Costan, Hakan Soncu, Luc Bougé, Gabriel Antoniu
Achieving high throughput for large scale event streaming across geographically distributed data-centers with JetStream. DEBS (2014)
Stefan Ene, Bogdan Nicolae, Alexandru Costan, Gabriel Antoniu
To overlap or not to overlap: optimizing incremental MapReduce computations for on-demand data upload. DataCloud@SC (2014)
Radu Tudoran, Alexandru Costan, Rui Wang, Luc Bougé, Gabriel Antoniu
Bridging Data in the Clouds: An Environment-Aware System for Geographically Distributed Data Transfers. CCGRID (2014)
Radu Tudoran, Alexandru Costan, Ramin Rezai Rad, Goetz Brasche, Gabriel Antoniu
Adaptive file management for scientific workflows on the Azure cloud. IEEE BigData (2013)
Gabriel Antoniu, Alexandru Costan, Julien Bigot, Frédéric Desprez, Gilles Fedak, Sylvain Gault, Christian Pérez, Anthony Simonet, Bing Tang, Christophe Blanchet, Raphael Terreux, Luc Bougé, François Briant, Franck Cappello, Kate Keahey, Bogdan Nicolae, Frédéric Suter
Scalable data management for map-reduce-based data-intensive applications: a view for cloud and hybrid infrastructures. Int. J. Cloud Comput. 2 (2/3) (2013)
Radu Tudoran, Alexandru Costan, Gabriel Antoniu
DataSteward: Using Dedicated Compute Nodes for Scalable Data Management on Public Clouds. TrustCom/ISPA/IUCC (2013)
Elena Burceanu, Ciprian Dobre, Valentin Cristea, Alexandru Costan, Gabriel Antoniu
Distributed Data Storage in Support for Context-Aware Applications. ISPDC (2013)
Radu Tudoran, Alexandru Costan, Gabriel Antoniu, Luc Bougé
A performance evaluation of Azure and Nimbus clouds for scientific applications. CloudCP@EuroSys (2012)
Alexandra Carpen-Amarie, Alexandru Costan, Catalin Adrian Leordeanu, Cristina Basescu, Gabriel Antoniu
Towards a Generic Security Framework for Cloud Data Management Environments. Int. J. Distributed Syst. Technol. 3 (1) (2012)
Gabriel Antoniu, Alexandru Costan, Benoit Da Mota, Bertrand Thirion, Radu Tudoran
A-Brain: Using the Cloud to Understand the Impact of Genetic Variability on the Brain. ERCIM News 2012 (89) (2012)
Radu Tudoran, Alexandru Costan, Gabriel Antoniu, Hakan Soncu
TomusBlobs: Towards Communication-Efficient Storage for MapReduce Applications in Azure. CCGRID (2012)
Alexandru Costan, Ciprian Dobre
1st Workshop on Big Data Management in Clouds - BDMC2012. Euro-Par Workshops (2012)
Andrei Damian, Alexandru Costan, Valentin Cristea, Iosif Legrand
A visualisation technique for network topology transformation within MonALISA monitoring framework. Int. J. Grid Util. Comput. 2 (2) (2011)
Valentin Cristea, Ciprian Dobre, Florin Pop, Corina Stratan, Alexandru Costan, Catalin Adrian Leordeanu, Eliana-Dina Tirsa
A dependability layer for large-scale distributed systems. Int. J. Grid Util. Comput. 2 (2) (2011)
Alexandra Carpen-Amarie, Alexandru Costan, Jing Cai, Gabriel Antoniu, Luc Bougé
Bringing introspection into BlobSeer: Towards a self-adaptive distributed data management system. Int. J. Appl. Math. Comput. Sci. 21 (2) (2011)
Alexandru Costan, Florin Pop, Corina Stratan, Ciprian Dobre, Catalin Adrian Leordeanu, Valentin Cristea
An Architectural Model for a Grid based Workflow Management Platform in Scientific Applications CoRR (2011)
Cristina Basescu, Alexandra Carpen-Amarie, Catalin Adrian Leordeanu, Alexandru Costan, Gabriel Antoniu
Managing Data Access on Clouds: A Generic Framework for Enforcing Security Policies. AINA (2011)
Valentin Cristea, Ciprian Dobre, Alexandru Costan, Florin Pop
Middleware and architectures for space-based and situated computing. Int. J. Space Based Situated Comput. 1 (1) (2011)
Valentin Cristea, Ciprian Dobre, Florin Pop, Corina Stratan, Alexandru Costan, Catalin Adrian Leordeanu
Models and Techniques for Ensuring Reliability, Safety, Availability and Security of Large Scale Distributed Systems CoRR (2011)
Costin Ionita, Alexandru Costan, Valentin Cristea
Automatic Generation of Functional Workflows Using a Semantic Specification. CISIS (2010)
Alexandru Costan, Mugurel Ionut Andreica, Valentin Cristea, Costin Grigoras
A Solution for Fault-Tolerance Based on Adaptive Replication in MonALISA. 3PGCIC (2010)
Florin Pop, Ciprian Dobre, Corina Stratan, Alexandru Costan, Valentin Cristea
Dynamic meta-scheduling architecture based on monitoring in distributed systems. Int. J. Auton. Comput. 1 (4) (2010)
Alexandra Carpen-Amarie, Jing Cai, Alexandru Costan, Gabriel Antoniu, Luc Bougé
Bringing Introspection Into the BlobSeer Data-Management System Using the MonALISA Distributed Monitoring Framework. CISIS (2010)
Alexandru Costan, Florin Pop, Ciprian Dobre, Valentin Cristea
A Worklow Management Platform for Scientific Applications in Grid Environments. SYNASC (2010)
Alexandru Costan, Adriana Draghici, Valentin Cristea
Prediction Strategies for Self-Adaptive Behavior in Distributed Systems. 3PGCIC (2010)
Bogdan Eremia, Ciprian Dobre, Florin Pop, Alexandru Costan, Valentin Cristea
Simulation Model and Instrument to Evaluate Replication Techniques. 3PGCIC (2010)
Elvin Sindrilaru, Alexandru Costan, Valentin Cristea
Fault Tolerance and Recovery in Grid Workflow Management Systems. CISIS (2010)
Adriana Draghici, Alexandru Costan, Valentin Cristea
Prediction of Distributed Systems State Based on Monitoring Data. ISPDC (2010)
Florin Pop, Ciprian Dobre, Corina Stratan, Alexandru Costan, Valentin Cristea
Dynamic Meta-Scheduling Architecture Based on Monitoring in Distributed Systems. CISIS (2009)
Florin Pop, Ciprian Mihai Dobre, Alexandru Costan, Mugurel Ionut Andreica, Eliana-Dina Tirsa, Corina Stratan, Valentin Cristea
Critical Analysis of Middleware Architectures for Large Scale Distributed Systems CoRR (2009)
Iosif Legrand, Ramiro Voicu, Catalin Cirstoiu, Costin Grigoras, Latchezar Betev, Alexandru Costan
Monitoring and Control of Large Systems with MonALISA. ACM Queue 7 (6) (2009)
Alexandru Costan, Corina Stratan, Eliana-Dina Tirsa, Mugurel Ionut Andreica, Valentin Cristea
Towards a Grid Platform for Scientific Workflows Management CoRR (2009)
Iosif Legrand, Harvey B. Newman, Ramiro Voicu, Catalin Cirstoiu, Costin Grigoras, Ciprian Dobre, Adrian Muraru, Alexandru Costan, M. Dediu, Corina Stratan
MonALISA: An agent based, dynamic service system to monitor, control and optimize distributed systems. Comput. Phys. Commun. 180 (12) (2009)
Iosif Legrand, Ramiro Voicu, Catalin Cirstoiu, Costin Grigoras, Latchezar Betev, Alexandru Costan
Monitoring and control of large systems with MonALISA. Commun. ACM 52 (9) (2009)
Mugurel Ionut Andreica, Eliana-Dina Tirsa, Alexandru Costan, Nicolae Tapus
Offline Algorithms for Several Network Design, Clustering and QoS Optimization Problems CoRR (2009)
Florin Pop, Alexandru Costan, Ciprian Dobre, Corina Stratan, Valentin Cristea
Monitoring of Complex Applications Execution in Distributed Dependable Systems. ISPDC (2009)
Ciprian Mihai Dobre, Florin Pop, Alexandru Costan, Mugurel Ionut Andreica, Valentin Cristea
Robust Failure Detection Architecture for Large Scale Distributed Systems CoRR (2009)
Alexandru Costan, Ciprian Dobre, Valentin Cristea, Ramiro Voicu
A Monitoring Architecture for High-Speed Networks in Large Scale Distributed Collaborations. ISPDC (2008)
Catalin Cirstoiu, Costin Grigoras, Latchezar Betev, Alexandru Costan, Iosif Charles Legrand
Monitoring, accounting and automated decision support for the alice experiment based on the MonALISA framework. GMW@HPDC (2007)
Alexandru Costan, Stephane Gaubert, Eric Goubault, Matthieu Martel, Sylvie Putot
A Policy Iteration Algorithm for Computing Fixed Points in Static Analysis of Programs. CAV (2005)