Annuaire

Urtzi Ayesta Morate

Urtzi Ayesta Morate

Équipe

SARA : Services et Architectures pour les Réseaux Avancés

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Liens

Dernières Publications

2023

Articles dans une revue

Fernando Miguelez, Urtzi Ayesta, Josu Doncel. Price of Anarchy with multiple information sources under competition. Operations Research Letters, 2023, 51 (6), pp.605-611. ⟨10.1016/j.orl.2023.10.004⟩. ⟨hal-04250552⟩

Pré-publications, documents de travail

Daniel Mastropietro, Urtzi Ayesta, Matthieu Jonckheere, Szymon Majewski. Efficient reinforcement learning with Fleming-Viot particle systems: application to stochastic networks with rarely observed rewards. 2023. ⟨hal-04129885⟩

2022

Articles dans une revue

Santiago Guillermo Duran, Urtzi Ayesta, Ina Maria Maaike Verloop. On the Whittle index of Markov Modulated Restless Bandits. Queueing Systems, 2022, pp.1-55. ⟨10.1007/s11134-022-09737-y⟩. ⟨hal-03579521⟩

Urtzi Ayesta. Reinforcement Learning in Queues. Queueing Systems, 2022, Special Issue, 100, pp.497-499. ⟨10.1007/s11134-022-09844-w⟩. ⟨hal-03766768⟩

Urtzi Ayesta, Tejas Bodas, Jan-Pieter Dorsman, Ina Maria Maaike Verloop. A token-based central queue with order-independent service rates. Operations Research, 2022, 70 (1), ⟨10.1287/opre.2020.2088⟩. ⟨hal-02934633⟩

Communications dans un congrès

Francisco Robledo, Vivek S Borkar, Urtzi Ayesta, Konstantin Avrachenkov. Tabular and Deep Learning of Whittle Index. EWRL 2022 - 15th European Workshop of Reinforcement Learning, Sep 2022, Milan, Italy. ⟨hal-03767324⟩

Francisco Robledo, Vivek Borkar, Urtzi Ayesta, Konstantin Avrachenkov. QWI: Q-learning with Whittle Index. RLNQ 2021 - Reinforcement Learning in Networks and Queues (workshop at ACM Sigmetrics 2021), Jun 2021, Beijing, China. pp.47-50, ⟨10.1145/3512798.3512816⟩. ⟨hal-03601370⟩

Fernando Miguelez, Urtzi Ayesta, Josu Doncel. A Non-cooperative Game for the Freshness of Status Updates. 23ème Congrès annuel de la Société Française de Recherche Opérationnelle et d'Aide à la Décision (ROADEF 2022), Société Française de Recherche Opérationnelle et d'Aide à la Décision; INSA Lyon - Université de Lyon, Feb 2022, Villeurbanne - Lyon, France. ⟨hal-03596160⟩

Daniel Mastropietro, Szymon Majewski, Urtzi Ayesta, Matthieu Jonckheere. Boosting reinforcement learning with sparse and rare rewards using Fleming-Viot particle systems. 15th European Workshop on Reinforcement Learning (EWRL 2022), Sep 2022, Milano, Italy. ⟨hal-03772025⟩

Autres documents

Francisco Robledo, Urtzi Ayesta, Konstantin Avrachenkov, Vivek S Borkar. Tabular and Deep Learning of Whittle Index. EWRL 2022 - 15th European Workshop on Reinforcement Learning, Sep 2022, Milan, Italy. ⟨hal-03810695⟩

2021

Articles dans une revue

Elene Anton, Urtzi Ayesta, Matthieu Jonckheere, Ina Maria Maaike Verloop. On the stability of redundancy models. Operations Research, 2021, 69 (5), pp.1540-1565. ⟨10.1287/opre.2020.2030⟩. ⟨hal-02974771⟩

Chapitres d’ouvrages

Elene Anton, Urtzi Ayesta, Matthieu Jonckheere, Ina Maria Maaike Verloop. A Survey of Stability Results for Redundancy Systems. Alexey Piunovskiy; Yi Zhang. Modern Trends in Controlled Stochastic Processes : Theory and Applications, Volume III, 41, Springer, pp.266-283, 2021, Emergence, Complexity and Computation (ECC), 978-3-030-76927-7. ⟨10.1007/978-3-030-76928-4_13⟩. ⟨hal-03168397⟩

2020

Articles dans une revue

Urtzi Ayesta, Balakrishna Prabhu, Rhonda Righter. Scheduling in a single-server with state-dependent service rates. Probability in the Engineering and Informational Sciences, 2020, 34 (4), pp.507 - 521. ⟨10.1017/S0269964819000160⟩. ⟨hal-01783136⟩

Elene Anton, Urtzi Ayesta, Matthieu Jonckheere, Ina Maria Maaike Verloop. Improving the performance of heterogeneous data centers through redundancy. Proceedings of the ACM on Measurement and Analysis of Computing Systems , 2020, 4 (3), pp.1-29. ⟨10.1145/3428333⟩. ⟨hal-02491393v2⟩

Urtzi Ayesta, Manu K. Gupta, Ina Maria Maaike Verloop. On the computation of Whittle's Index for Markovian restless bandits. Mathematical Methods of Operations Research, 2020, 93, pp.179-208. ⟨10.1007/s00186-020-00731-9⟩. ⟨hal-02973310⟩

2019

Articles dans une revue

Christian Carballo, Urtzi Ayesta, Dieter Fiems. Performance analysis of space-time priority queues. Performance Evaluation, 2019, 133, pp.25-42. ⟨10.1016/j.peva.2019.04.003⟩. ⟨hal-02351580⟩

Josu Doncel, Samuli Aalto, Urtzi Ayesta. Performance Degradation in Parallel-Server Systems. IEEE/ACM Transactions on Networking, 2019, 27 (2), pp.875-888. ⟨10.1109/TNET.2019.2902531⟩. ⟨hal-01635251⟩

Communications dans un congrès

Elene Anton, Urtzi Ayesta, Florian Simatos. On the impact of mobility in cellular networks. 17th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WIOPT 2019), IFIP: International Federation for Information Processing, Jun 2019, Avignon, France. pp.1-8, ⟨10.23919/WiOPT47501.2019.9144135⟩. ⟨hal-02351564⟩

Thi Thuy Nga Nguyen, Urtzi Ayesta, Balakrishna Prabhu. Scheduling users in drive-thru Internet: a multi-armed bandit approach. WiOpt 2019, International Federation for Information Processing (IFIP), Jun 2019, Avignon, France. ⟨10.23919/WiOPT47501.2019.9144139⟩. ⟨hal-02112621⟩

2018

Articles dans une revue

Urtzi Ayesta, Tejas Bodas, Ina Maria Maaike Verloop. On a unifying product form framework for redundancy models. Performance Evaluation, 2018, 127-128, pp.93-119. ⟨10.1016/j.peva.2018.09.008⟩. ⟨hal-01713937v2⟩

Livres

Urtzi Ayesta, Balakrishna Prabhu. Special volume on selected papers from the second ECQT conference (ECQT 2016), Toulouse, France. Ayesta, Urtzi; Prabhu, Balakrishna. , 119, 53 p., 2018, Performance Evaluation, ISSN: 0166-5316. ⟨10.1016/j.peva.2017.12.001⟩. ⟨hal-03120286⟩

2017

Articles dans une revue

Urtzi Ayesta, Peter Jacko, Vladimir Novak. Scheduling of multi-class multi-server queueing systems with abandonments. Journal of Scheduling, 2017, 20 (2), pp.129--145. ⟨10.1007/s10951-015-0456-7⟩. ⟨hal-03120271⟩

Communications dans un congrès

Josu Doncel, Samuli Aalto, Urtzi Ayesta. Economies of scale in parallel-server systems. IEEE Infocom, May 2017, Atlanta, United States. pp.1--9, ⟨10.1109/INFOCOM.2017.8057093⟩. ⟨hal-03109263⟩

2016

Articles dans une revue

Urtzi Ayesta, M Erausquin, E Ferreira, P Jacko. Optimal Dynamic Resource Allocation to Prevent Defaults. Operations Research Letters, 2016, 44 (4), pp.451-456. ⟨hal-01300681⟩

Maialen Larranaga, Urtzi Ayesta, Ina Maria Maaike Verloop. Dynamic control of birth-and-death restless bandits: application to resource-allocation problems. IEEE/ACM Transactions on Networking, 2016, 24 (6), pp.3812--3825. ⟨10.1109/TNET.2016.2562564⟩. ⟨hal-03172235⟩

Ane Izagirre, Urtzi Ayesta, Ina Maria Maaike Verloop. Sojourn time approximations for a discriminatory-processor-sharing queue. ACM Transactions on Modeling and Performance Evaluation of Computing Systems, 2016, 1 (1), pp.article n°5. ⟨10.1145/2812807⟩. ⟨hal-01089833⟩

Livres

Urtzi Ayesta, Marko Boon, Balakrishna Prabhu, Rhonda Righter, Ina Maria Maaike Verloop (Dir.). EUROPEAN CONFERENCE ON QUEUEING THEORY 2016. , 72p, 2016. ⟨hal-01368218⟩

Comptes rendus de conférences

Urtzi Ayesta, Balakrishna Prabhu, Ina Maria Maaike Verloop. Actes du 11ème Atelier en Évaluation de Performances. Urtzi AYESTA; Balakrishna J. PRABHU; Ina Maria VERLOOP. 11ème Atelier en Évaluation de Performances (2016), Mar 2016, Toulouse, France. , 2016. ⟨hal-01292528⟩

2015

Articles dans une revue

Ane Izagirre, Urtzi Ayesta, Ina Maria Maaike Verloop. Heavy-traffic analysis of a non-preemptive multi-class queue with relative priorities. Probability in the Engineering and Informational Sciences, 2015, 29 (2), pp.153-180. ⟨hal-00790846v2⟩

Maialen Larrañaga, Urtzi Ayesta, Ina Maria Maaike Verloop. Asymptotically optimal index policies for an abandonment queue with convex holding cost.. Queueing Systems, 2015, 81 (2), pp.99-169. ⟨10.1007/s11134-015-9445-y⟩. ⟨hal-01064370v2⟩

Ane Izagirre, Urtzi Ayesta, Ina Maria Maaike Verloop. Interpolation approximations for the steady-state distribution in multi-class resource-sharing systems. Performance Evaluation, 2015, vol. 91, pp. 56-79. ⟨10.1016/j.peva.2015.06.005⟩. ⟨hal-01334706⟩

Communications dans un congrès

Urtzi Ayesta, Lionel Bertaux, Denis Carvin. Non-Intrusive Scheduling of TCP Flows. IFIP Networking 2015 Conference, May 2015, Toulouse, France. ⟨hal-01092746⟩

2014

Articles dans une revue

Josu Doncel, Urtzi Ayesta, Olivier Brun, Balakrishna Prabhu. A Resource-Sharing Game with Applications to Cloud-Computing. Performance Evaluation, 2014, Special Issue: Performance 2014, 79, pp.287-305. ⟨hal-01365943⟩

Josu Doncel, Urtzi Ayesta, Olivier Brun, Balakrishna Prabhu. Is the Price of Anarchy the Right Measure for Load-Balancing Games?. ACM Transactions on Internet Technology, 2014, 14 (2-3), pp.1 - 20. ⟨10.1145/2663498⟩. ⟨hal-01462308⟩

Communications dans un congrès

Ane Izagirre, Urtzi Ayesta, Ina Maria Maaike Verloop. Sojourn time approximations in a multi-class time-sharing server. IEEE International conference on Comptuer Communications - INFOCOM 2014, Apr 2014, Toronto, Canada. pp. 2786-2794, ⟨10.1109/INFOCOM.2014.6848228⟩. ⟨hal-01147319⟩

Maialen Larranaga, Urtzi Ayesta, Ina Maria Maaike Verloop. Index Policies for multi-class queues with convex holding cost and abandonments. ACM International Conference on Measurement and Modeling of Computer Systems (SIGMETRICS 2014), Jun 2014, Austin, Texas, United States. pp.125-137, ⟨10.1145/2591971.2591983⟩. ⟨hal-03224117⟩