### List of publications

COPYRIGHT NOTICE: All the documents on this page have been submitted by their authors to scholarly journals or conferences as indicated, for the purpose of non-commercial dissemination of scientific work. The manuscripts are put on-line to facilitate this purpose. These manuscripts are copyrighted by the authors or the journals in which they were published. You may copy a manuscript for scholarly, non-commercial purposes, such as research or instruction, provided that you agree to respect these copyrights. The documents published by the IEEE can be alternatively downloaded at IEEE Xplore

__Access by category:__

- Journal papers (submitted)
- Journal papers (published)
- Patents
- Books and book chapters
- Conference papers

[59] M. Navarro, S. Rey, A. Buciulea, A. G. Marques, and S. Segarra "
Joint Network Topology Inference in the Presence of Hidden Nodes", IEEE Trans. Signal Process.

[58] S. Rozada, S. Paternain, and A. G. Marques "
Tensor and Matrix Low-Rank Value-Function Approximation in Reinforcement Learning", IEEE Trans. Signal Process.

[57] O. Escudero-Arnanz, A. G. Marques, I. Mora-Jimenez, J. Alvarez-Rodriguez, and C. Soguero-Ruiz "
Multivariate time series clustering and prediction based on dynamic time warping, time cluster kernel, and dimensionality reduction to characterize antimicrobial multidrug resistance", IEEE J. Biomedical Health Informatics

[56] S. Martinez-Aguero, C. Soguero-Ruiz, J. M. Alonso-Moral, I. Mora-Jimenez, J. Alvarez-Rodriguez, and A. G. Marques "
Interpretable Clinical Time-Series Modeling with Intelligent Feature Selection for Early Prediction of Antimicrobial Multidrug Resistance", Future Generation Computer Systems, Elsevier

[55] F. J. Iglesias, S. Segarra, and A. G. Marques "Demixing and Deconvolution of Graph Signals", IEEE Trans. Signal Process.

[54] A. G. Marques, C. Figuera, E. Morgado, and J. Ramos"Underlay Cognitive Radios with Capacity Guarantees for Primary Users", IEEE Trans. Wireless Commun.

__Journal Papers (published/accepted) __

[52] S. Rey, V. Tenorio, and A. G. Marques "
Robust Graph Filter Identification and Graph Denoising from Signal Observations", IEEE Trans. Signal Process., vol. 71, 3651-3666, 2023.

[53] S. Rey, T. M. Roddenberry, S. Segarra, and A. G. Marques "
Enhanced graph-learning schemes driven by similar distributions of motifs", IEEE Trans. Signal Process., vol. 71, pp. 3014-3027 2023.

[51] G. Leus, A. G. Marques, J. M. F. Moura, A. Ortega, and D. I Shuman "Graph Signal Processing: History, Development, Impact, and Outlook", IEEE Signal Process. Mag. (SI on the 75th aniversary of the Signal Process. Society), vol. 40, no. 4, pp. 49-60, June 2023.

[50] O. Escudero-Arnanz, A.G. Marques, C. Soguero-Ruiz, I. Mora-Jimenez, G. Robles "
dtwParallel: A Python Package to Efficiently Compute Dynamic Time Warping", Software X, Elsevier, vol. 22, 101364, 2023.

[49] S. Rey, R. Heckel, S. Segarra, and A. G. Marques "
Untrained graph neural network architectures for denoising signals with irregular supports", IEEE Trans. Signal Process., vol. 70, pp. 5708-5723, 2022.

[48] A. Buciulea, S. Rey, and A. G. Marques "
Learning Graphs from Smooth and Graph-Stationary Signals with Hidden Variables", IEEE Trans. Signal Inf. Process. Netw., vol. 8, pp. 273-287, 2022.

[47] M. Navarro, Y. Wang, A. G. Marques, C. Uhler, and S. Segarra "Joint Inference of Multiple Graphs from Matrix Polynomials", J. Machine Learning Research, vol. 23, (76):1−35, 2022.

[46] S. Martinez-Aguero, A. G. Marques, I. Mora-Jimenez, J. Alvarez-Rodriguez, and C. Soguero-Ruiz "
Data and Network Analytics for COVID-19 ICU Patients: A Case Study for a Spanish Hospital", IEEE J. of Biomedical and Health Informatics, vol. 25, no. 12, Dec. 2021.

[45] V. Tenorio, A. G. Marques, and L. Cadarso "
Signal Processing and Machine Learning for Air Traffic Delay Prediction", Transportation research procedia. 2021

[44] A. Lopez-Gay, J. Spijker, H. Cole, A. G. Marques, M. Triguero-Mas, I. Anguelovski, M. Mari-DellOlmo, J. A. Modenes, D. Alamo-Junquera, F. Lopez-Gallego, and C. Borrell "Sociodemographic determinants of neighborhood variations in COVID-19 incidence: The case of Barcelona", J. of Epidemiology and Community Health.. 76(1), pp. 1-7, 2022. First: June 2021. DOI: 10.1136/jech-2020-216325

[43] D. Ramirez, A. G. Marques, and S. Segarra, "Graph-signal Reconstruction and Blind Deconvolution for Structured Inputs", Signal Processing (Special Issue on Processing and Learning over Graphs), Elsevier., vol. 188, 108180, 2021.

[42] G. Leus, S. Segarra, A. Ribeiro, and A. G. Marques, "The Dual Graph Shift Operator: Identifying the Support of the Frequency Domain", Journal of Fourier Analysis and Applications, 27:49, 2021. DOI: 10.1007/s00041-021-09850-1.

[41] R. Shafipour, S. Segarra, A. G. Marques, and G. Mateos "Identifying the Topology of Undirected Networks from Diffused Non-stationary Graph Signals", IEEE Open J. Signal Process., vol. 2., pp. 171 - 189, Mar. 2021. DOI 10.1109/OJSP.2021.3063926.

[40]
V. N. Ioannidis, A. G. Marques, and G. B. Giannakis"Tensor-Graph Convolutional Networks: Multi-relational and Robust Learning", IEEE Trans. Signal Process., vol. 68, pp. 6535 - 6546, 2020. DOI: 10.1109/TSP.2020.3028495

[39] A. G. Marques, N. Kiyavash, J. M. F. Moura, D. Van De Ville, and R. Willett "Graph Signal Processing: Foundations and Emerging Directions (Editorial)", IEEE Signal Process. Mag. vol. 37, Nov. 2020.

[38] A. G. Marques, S. Segarra, and G. Mateos "Signal Processing over Directed Graphs", IEEE Signal Process. Mag., vol. 37, pp. 99 - 116, Nov. 2020. DOI: 10.1109/MSP.2020.3014597.

[37] Y. Zhu, F. J. Iglesias, A. G. Marques, and S. Segarra "Estimating Network Processes via Blind Identification of Multiple Graph Filters", IEEE Trans. Signal Process., vol. 68, pp. 3049 - 3063, May 2020.

[36] F. Gama, A. G. Marques, G. Mateos, and A. Ribeiro, "Rethinking Sketching as Sampling: A Graph Signal Processing Approach", Signal Processing, Elsevier, vol. 169, 107404, 2020.

[35] L. Ruiz, F. Gama, A. G. Marques, and A. Ribeiro, "Invariance-Preserving Localized Activation Functions for Graph Neural Networks", IEEE Trans. Signal Process., vol. 68, pp. 127-141, Jan. 2020.

[34] A. Sadeghi, F. Sheikholeslami, A. G. Marques, and G. B. Giannakis "Reinforcement Learning for Adaptive Caching with Dynamic Storage Pricing", IEEE J. Sel. Areas Commun., vol. 37, no. 10, pp. 2267-2281, Oct. 2019.

[33] S. Rey-Escudero, F. J. Iglesias, C. Cabrera, and A. G. Marques, "Sampling and Reconstruction of Diffused Sparse Graph Signals from Successive Local Aggregations", IEEE Signal Process. Letters, vol. 26, no. 8, pp 1142-1146, Aug. 2019.

[32] G. Mateos, S. Segarra, A. G. Marques, and A. Ribeiro "Connecting the Dots: Identifying Network Structure via Graph Signal Processing", IEEE Signal Process. Mag., vol. 36, no 3, pp. 16-43, May 2019.

[31] F. Gama, A. G. Marques, G. Leus, and A. Ribeiro, "Convolutional Neural Networks Architectures for Signals Supported on Graphs", IEEE Trans. Signal Process., vol. 67, no. 4, pp. 1034-1049, Feb. 2019.

[30] W. Huang, A. G. Marques, and A. Ribeiro "Rating Prediction via Graph Signal Processing", IEEE Trans. Signal Process., vol. 66, no. 19, pp. 5066 - 5081, Oct. 2018.

[29] L. M. Lopez-Ramos, V. Kekatos, A. G. Marques, and G. B. Giannakis, "Two-Timescale Stochastic Dispatch of Smart Distribution Grids", IEEE Trans. Smart Grids., vol. 9, no. 5, pp. 4282 - 4292, Sep. 2018.

[28] F. J. Iglesias-Garcia, P. K. Mandal, M. Bocquel, and A. G. Marques, "Riemann-Langevin Particle Filtering in Track-Before-Detect", IEEE Signal Process. Letters, vol. 25, no. 7, pp. 1039 - 1043, Jul. 2018.

[27] R. Gordillo-Orquera et al. "Convex Programming and Bootstrap Sensitivity for Optimized Electricity
Bill in Healthcare Buildings under a Time-of-use Pricing Scheme", Energies 2018, 11(6), 1454.

[26] R. Gordillo-Orquera et al. "Analyzing and Forecasting the Electric Load Consumption in Healthcare
Buildings", Energies 2018, 11(3), 493.

[25] A. G. Marques, S. Segarra, G. Leus, and A. Ribeiro, "Stationary Graph Processes and Spectral Estimation", IEEE Trans. Signal Process., vol. 65, no. 22, pp. 5911-5926, Nov. 2017.

[Arxiv link (original submission, March 2016)]

[24] S. Segarra, A. G. Marques, G. Mateos, and A. Ribeiro, "Network Topology Inference from Spectral Templates", IEEE Trans. Signal Inf. Process. Netw., vol. 3, no. 3, pp. 467 - 483, Sept. 2017.

[Published in IEEE TSIPN Special Issue on Graph Signal Processing - Arxiv link (original submission)]

[23] S. Segarra, A. G. Marques, and A. Ribeiro, "Optimal Graph-Filter Design and Applications to Distributed Linear Network Operators", IEEE Trans. Signal Process., vol. 65, no. 15, pp. 4117 - 4131, Aug. 2017.

[A preliminary version of this paper was published in arxiv under the title Distributed Linear Network
Operators using Graph Filters]

[22] T. Chen, A. G. Marques, and G. B. Giannakis, "DGLB: Distributed Stochastic Geographical Load Balancing over Cloud Networks ", IEEE Trans. Parallel Distri. Syst., vol. 28, no. 7, pp. 1866 - 1880, July 2017.

[21] S. Segarra, G. Mateos, A. G. Marques, and A. Ribeiro, "Blind Identification of Graph Filters", IEEE Trans. Signal Process., vol. 65, no. 5, pp. 1146 - 1159, Mar. 2017.

[Arxiv link (original submission)]

[20] S. Segarra, A. G. Marques, G. Leus, and A. Ribeiro, "Reconstruction of Graph Signals through
Percolation from Seeding Nodes", IEEE Trans. Signal Process., vol. 64, no. 16, pp. 4363 - 4378, Aug. 2016.

[Arxiv link (original submission)]

[19] A. G. Marques, S. Segarra, G. Leus, and A. Ribeiro, "Sampling of Graph Signals with Successive Local Aggregations", IEEE Trans. Signal Process., vol. 64, no. 7, pp. 1832 - 1843, Apr. 2016.

[Arxiv link (original submission)]

[18]
J. Fernandez-Bes, J. Cid-Sueiro, and A.
G. Marques, "
An MDP Model for Censoring in Harvesting Sensors: Optimal and Approximated Solutions", IEEE J. Sel. Areas Commun., vol. 33, no. 8., pp. 1717-1729 , Aug. 2015.

[17] L. M. Lopez-Ramos, A. G. Marques, and J. Ramos, "Jointly Optimal Sensing and Resource Allocation for Multiuser Interweave Cognitive Radios", IEEE Trans. Wireless Commun., vol. 13, no. 11, pp. 5954-5967, Nov. 2014.

[16]
A.
G. Marques, E. Dall'Annese, and G. B. Giannakis, "Cross-Layer Optimization and Receiver Localization for Cognitive Networks Using Interference Tweets", IEEE J. Sel. Areas Commun., vol. 32, no. 3, pp. 641-653, Mar. 2014.

[15] J. Requena-Carrion, F. Beltran-Molina, and A. G. Marques, "Relating the Spectrum of Cardiac Signals to the Spatiotemporal Dynamics of Cardiac Sources", Biomedical Signal Process. and Control (Elseviewer), vol. 8, no. 6, pp. 935-944, Nov. 2013.

[14] A. G. Marques, C. Figuera, C. Rey-Moreno, and J. Simo-Reigadas, "Optimal Cross-Layer Schemes for Relay Networks with Short-Term and Long-Term Constraints", IEEE Trans. Wireless Commun., vol. 12, no. 1, pp. 333-345, Jan. 2013.

[13] A. G. Marques, L. M. Lopez-Ramos, G. B. Giannakis, and J. Ramos, "Resource Allocation for Interweave and Underlay
CRs under Probability-of-Interference Constraints", IEEE J. Sel.
Areas Commun., vol. 30, no. 10, pp. 1922-1933, Nov. 2012.

[Matlab code available here.]

[12] A. G. Marques, L. M. Lopez-Ramos, G. B. Giannakis, J. Ramos, and A. Caamano, "Optimal Cross-Layer Resource Allocation in Cellular Networks Using Channel and Queue State Information", IEEE Trans. Vehic. Tech., vol. 61, no. 6, pp. 2789 - 2807 , Jul. 2012.

[11] A. G. Marques, G. B. Giannakis, and J. Ramos, "Optimizing Orthogonal Multiple Access based on Quantized Channel State Information", IEEE Trans. Signal Process., vol. 59, no. 10, pp. 5023 - 5038, Oct. 2011.

[10] R. Arroyo-Valles, A. G. Marques, and J. Cid-Sueiro,
"Optimal Selective Forwarding for Energy Saving in Wireless Sensor Networks", IEEE Trans. Wireless Commun., vol. 10, no. 1, pp. 164 - 175, Jan. 2011.

[9] A. G. Marques, A. B. Rodriguez-Gonzalez, J. L. Rojo-Alvarez, J. Requena-Carrion, and J. Ramos,
"Optimizing Average Performance of OFDM Systems Using Limited-Rate Feedback", IEEE Trans. Wireless Commun., vol. 9, no. 10, pp. 3130 - 3143, Oct. 2010.

[8] N. Gatsis, A. G. Marques, and G. B. Giannakis,
"Power Control for Cooperative Dynamic Spectrum Access Networks with Diverse QoS Constraints", IEEE Trans. Commun., vol. 58, no. 3, pp. 933-944, Mar. 2010.

[7] R. Arroyo-Valles, A. G. Marques, and J. Cid-Sueiro,
"Optimal Selective Transmission under Energy Constraints in Sensor Networks", IEEE Trans. Mobile Computing, vol. 8, no. 11, pp. 1524-1538, Nov. 2009.

[6] A. G. Marques, X. Wang, and G. B. Giannakis,
"Dynamic Resource Management for Cognitive Radios using Limited-Rate Feedback", IEEE Trans. Signal
Process., vol. 57, no. 9, pp. 3651-3666, Sept. 2009.

[5] A. G. Marques, X. Wang, and G. B. Giannakis,
"Minimizing Transmit-Power for
Coherent Communications in Wireless Sensor Networks with Finite-Rate
Feedback", IEEE Trans. Signal
Process., vol. 56, no. 8, pp. 4446-4457, Sept. 2008.

[4] X. Wang, A. G. Marques, and G. B.
Giannakis, "Power-Efficient Resource Allocation and Quantization for TDMA Using Adaptive Transmission and Limited-Rate Feedback", IEEE Trans. Signal Process., vol. 56, no. 8, pp. 4470-4485, Sept. 2008.

[3] A. G. Marques, G. B. Giannakis,
F. F. Digham, and F. J. Ramos, "Power Efficient
Wireless OFDMA using Limited-Rate Feedback", IEEE Trans. Wireless
Commun., vol. 7, no. 2, pp. 685-696, Feb. 2008.

[2] X. Wang, G. B. Giannakis, and A. G. Marques,
"A Unified Approach to QoS-Guaranteed Scheduling for Channel-Adaptive Wireless Networks", Proceedings of the IEEE, vol. 95, no. 12, pp. 2410-2431, Dec. 2007. (invited paper).

[1] A. G. Marques, F. F. Digham, and G.
B. Giannakis, "Optimizing Power Efficiency of
OFDM Using Quantized Channel State Information", IEEE J. Sel.
Areas Commun., vol. 24, no. 8, pp.1581 - 1592, Aug. 2006.

[1] W. Huang, A. G. Marques, and A. Ribeiro "METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR PREDICTING RATINGS USING GRAPH FILTERS" Application number US Patent Office: 16/115177.

[4] G. Mateos, S. Segarra, and A. G. Marques,
"Inference of Graph Topology", in *"Cooperative and Graph Signal Processing: Principles and
Applications*, P. Djuric and C. Richard, Editors, Elsevier, UK, 2018 (ISBN 978-012-813-677-5).

[3] S. Segarra, S. Chepuri, A. G. Marques, and G. Leus,
"Statistical Graph Signal Processing: Stationarity and Spectral
Estimation", in *"Cooperative and Graph Signal Processing: Principles and
Applications*, P. Djuric and C. Richard, Editors, Elsevier, UK, 2018 (ISBN 978-012-813-677-5).

[2] A. G. Marques, N. Gatsis, and G. B. Giannakis,
"Optimal Cross-Layer Design of Wireless Multihop Networks", in *"Cross-Layer Designs in WLAN Systems*, N. Zorba, C. Skianis, and C. Verikoukis, Editors, Troubador Publishing, Leicester, UK, 2011 (ISBN 978-184-876-227-5).

[1] R. Arroyo-Valles, A. G. Marques, and J. Cid-Sueiro,
Energy-Aware Selective Communications on Sensor Networks, in *"Emerging Communications for Wireless Sensor Networks*, A. Foerster and A. Foerster, Editors, In-Tech, Rijeka, Croatia, 2010 (ISBN 978-953-307-082-7). [The book can be freely downloaded online.]

__International Conference Papers__

[101]
V. M. Tenorio, M. Navarro, S. Segarra and A. G. Marques, "Recovering Missing Node Features with Local Structure-based Embeddings", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Seoul, South Korea, 14-19 April 2024.

[100]
V. M. Tenorio, S. Rey and A. G. Marques, "Blind Deconvolution of Sparse Graph Signals in the Presence of Perturbations", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Seoul, South Korea, 14-19 April 2024.

[99]
A. Buciulea, E. Isufi, G. Leus, and A. G. Marques, "Learning Graphs and Simplicial Complexes from Data", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Seoul, South Korea, 14-19 April 2024.

[98]
S. Rozada and A. G. Marques, "Tensor Low-rank Approximation of Finite-horizon Value Functions", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Seoul, South Korea, 14-19 April 2024.

[97]
S. Rozada and A. G. Marques"Matrix Low-Rank Trust Region Policy Optimization", Proc. of IEEE Intl. Wrksp. on Computational Advances in Multi-Sensor Adaptive Processing, Los Suenos, Costa Rica, Dec. 10-13, 2023.

[96]
V. Tenorio, S. Rey, and A. G. Marques "Robust Graph Neural Network Based on Graph Denoising", Proc. of 57th Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Oct. 29 - Nov. 1, 2023.

[95]
A. Buciulea, and A. G. Marques, "Graph Learning from Gaussian and Stationary Graph Signals ", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Rhodes, Greece, 4-10 June 2023.

[94]
S. Rozada and A. G. Marques, "Matrix Low-rank Approximation for Policy Gradient Methods", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Rhodes, Greece, 4-10 June 2023.

[93]
S. Rey, M. Navarro, A. Buciulea, S. Segarra, and A. G. Marques "Joint graph learning from Gaussian observations in the presence of hidden nodes", Proc. of 56th Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Oct. 30 - Nov. 2, 2022.

[92]
S. Rey, A. Buciulea, M. Navarro, S. Segarra, and A. G. Marques, "Joint inference of multiple graphs with hidden variables from stationary graph signals ", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Singapore, Singapore, 22-27 May 2022.

[91]
S. Rozada and A. G. Marques, "A Multi-resolution Low-Rank Tensor Decomposition", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Singapore, Singapore, 22-27 May 2022.

[90]
V. Tenorio, S. Rey, F. Gama, S. Segarra, and A. G. Marques "A robust alternative for graph convolutional neural networks via graph neighborhood filters", Proc. of 55th Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Oct. 31 - Nov. 3, 2021.

[89]
S. Rozada, V. Tenorio, and A. G. Marques, "Low-rank state-action value-function approximation ", Proc. of European Signal Process. Conf., Dublin, Ireland, Aug. 22-26, 2021.

[88]
S. Rey and A. G. Marques, "Robust graph-filter identification with graph denoising regularization ", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Toronto, Canada, June 6-11, 2021.

[87]
S. Martinez-Aguero, I. Mora-Jimenez, J. Alvarez-Rodriguez, A. G. Marques, and C. Soguero-Ruiz, "Applying LSTM Networks to Predict Multi-drug Resistance Using Binary Multivariate Clinical Sequences", Proc. 9th European Starting AI Researchers Symposium 2020, co-located with 24th European Conference on Artificial Intelligence (ECAI 2020), Santiago Compostela, Spain, Aug. 29-30, 2020.

[86]
V. Tenorio, S. Rey, S. Rozada, L. Martino, and A. G. Marques, "Overparametrized Deep Encoder-Decoder Architectures for Inputs and Outputs Defined over Graphs", Proc. of European Signal Process. Conf., Amsterdam, The Netherlands, Aug. 24-28, 2020.

[85]
A. Madapu, S. Segarra, S. P. Chepuri, and A. Marques, "Generative Adversarial Networks for Graph Data Imputation from Signed Observations ", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Barcelona, Spain, May 4-8, 2020.

[84]
V. N. Ioannidis, A. G. Marques, and G. B. Giannakis"Graph Neural Networks for Predicting Protein Functions", Proc. of IEEE Intl. Wrksp. on Computational Advances in Multi-Sensor Adaptive Processing, Guadeloupe, West Indies - France, Dec. 15-18, 2019.

[83]
S. Rey, A. G. Marques, and S. Segarra"An Underparametrized Deep Decoder Architecture for Graph Signals", Proc. of IEEE Intl. Wrksp. on Computational Advances in Multi-Sensor Adaptive Processing, Guadeloupe, West Indies - France, Dec. 15-18, 2019.

[82]
F. Gama, A. G. Marques, G. Leus, and A. Ribeiro "Convolutional Graph Neural Networks ", Proc. of 53rd Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 3-6, 2019.

[81]
S. Rey, V. Tenorio, S. Rozada, L. Martino, and A. G. Marques, "Deep Decoder-Encoder Architectures for Graph Output Signals", Proc. of 53rd Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 3-6, 2019.

[80]
A. Buciulea, S. Rey, C. Cabrera, and A. G. Marques, "Network reconstruction from graph-stationary signals with hidden variables", Proc. of 53rd Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 3-6, 2019.

[79]
V. N. Ioannidis, A. G. Marques, and G. B. Giannakis, " A Recurrent Graph Neural Network for Multi-Relational Data ", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Brighton, UK, May 12-17, 2019.

[78]
F. Gama, A. G. Marques, A. Ribeiro, and G. Leus, " Aggregation Graph Neural Networks ", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Brighton, UK, May 12-17, 2019.

[77]
L. Ruiz, F. Gama, A. G. Marques, and A. Ribeiro, "Median activation functions for graph neural networks", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Brighton, UK, May 12-17, 2019.

[76]
A. Sadeghi, A. G. Marques, and G. B. Giannakis, "Distributed Network Caching via Dynamic Programming ", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Brighton, UK, May 12-17, 2019.

[75]
Y. Zhu, F. J. Iglesias, A. G. Marques, and S. Segarra, "Estimation of Network Processes via Blind Graph Multi-Filter Identification", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Brighton, UK, May 12-17, 2019.

[74]
E. Lagunas, A. G. Marques, S. Chatzinotas, and B. Ottersten, "Graph Similarity Based on Graph Fourier Distances", Proc. of European Signal Process. Conf., Rome, Italy, Sep. 3 - Sept. 7, 2018.

[73]
F. Gama, A. G. Marques, A. Ribeiro, and G. Leus "MIMO Filters for Convolutional Neural Networks on Graph Signals", Proc. of IEEE Signal Process. Advances Wireless Comms. Wrksp., Kalamata, Greece, June 27-30, 2018.

[72]
S. Segarra, A. G. Marques, S. Rey-Escudero, and M. Goyal "Network Topology Inference from Input-Output Diffusion Pairs", Proc. of IEEE Statistical Signal Process. Wrksp., Freiburg, Germany, June 10-13, 2018.

[71]
R. Shafipour, S. Segarra, A. G. Marques, and G. Mateos"Topology Inference of Directed Networks via Graph Filter Identification", Proc. of IEEE Data Science Wrksp., Lausanne, Switzerland, June 4-6, 2018.

[70]
F. Gama, G. Leus, A. G. Marques, and A. Ribeiro "Convolutional Neural Networks via Node-varying Graph Filters", Proc. of IEEE Data Science Wrksp., Lausanne, Switzerland, June 4-6, 2018.

[69]
A. Sadeghi, F. Sheikholeslami, A. G. Marques, and G. B. Giannakis "Reinforcement Learning for 5G Caching with Dynamic Cost", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Calgary, Canada, April 15-20, 2018.

[68]
S. P. Chepuri, M. Coutino, A. G. Marques, and G. Leus "Distributed Analytical Graph Identification", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Calgary, Canada, April 15-20, 2018.

[67]
W. Huang, A. G. Marques, and A. Ribeiro "Matrix Completion as Graph Bandlimited Reconstruction", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Calgary, Canada, April 15-20, 2018.

[66]
R. Shafipour, S. Segarra, A. G. Marques, and G. Mateos"Identifying Undirected Network Structure via Semidefinite Relaxation", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Calgary, Canada, April 15-20, 2018.

[65]
F. J. Iglesias, S. Segarra, S. Rey-Escudero, A. G. Marques, and D. Ramirez "Demixing and Blind Deconvolution of Graph-diffused Sparse Signals", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Calgary, Canada, April 15-20, 2018.

[64]
S. Segarra, A. G. Marques, G. Arce, and A. Ribeiro, "Weighted Median Graph Filters: Definitions and Design", Proc. of IEEE Intl. Wrksp. on Computational Advances in Multi-Sensor Adaptive Processing, Curaçao, Dutch Antilles, Dec. 10-13, 2017.

[63]
S. Segarra, Y. Wang, C. Uhler, and A. G. Marques, "Joint Inference of Networks from Stationary Graph Signals", Proc. of 51st Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 4-7, 2017.

[62]
R. Garcia-Carretero, O. Barquero-Perez, I.
Mora-Jimenez, C. Soguero-Ruiz, R. Goya-Esteban,
A. G. Marques, J. Ramos "L1 Penalized Cox Regression to Characterize
Cardiovascular Events in Hypertensive Patients", Proc. of Computing in Cardiology 2017, Rennes, France
Sept. 24-27, 2017.

[61]
A. G. Marques, C. Soguero-Ruiz, J. Ramos,
I. Mora-Jimenez, R. Goya-Esteban, R.
Garcia-Carretero, and O. Barquero-Perez "Modeling Cardiovascular Condition Evolution in Hypertensive Population Using Graph Signal Processing", Proc. of Computing in Cardiology 2017, Rennes, France
Sept. 24-27, 2017.

[60]
W. Huang, A. G. Marques, and A. Ribeiro, " Collaborative Filtering via Graph Signal Processing", Proc. of European Signal Process. Conf., Kos, Greece, Aug. 28 - Sept. 1, 2017.

[59]
R. Shafipour, S. Segarra, A. G. Marques, and G. Mateos "Network Topology Inference from Non-Stationary Graph Signals", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process., New Orleans, USA, March 5-9, 2017.

[58]
D. Ramirez, A. G. Marques, and S. Segarra "Graph-Signal Reconstruction and Blind Deconvolution for Diffused Sparse Inputs", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process., New Orleans, USA, March 5-9, 2017.

[57]
S. Segarra, A. G. Marques, G. Leus, and A. Ribeiro, "Stationary Graph Processes: Parametric Power Spectral Estimation", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process., New Orleans, USA, March 5-9, 2017.

[56]
S. Segarra, A. G. Marques, G. Mateos, and A. Ribeiro, "Robust Network Topology Inference", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process., New Orleans, USA, March 5-9, 2017.

[55]
F. Gama, A. G. Marques, G. Mateos, and A. Ribeiro, "Rethinking Sketching as Sampling: Efficient Approximate Solution to Linear Inverse Problems", Proc. of IEEE of Global Conf. on Signal and Info. Process., Washington DC, Dec. 7-9, 2016.

[54]
S. Segarra, A. G. Marques, G. Arce, and A. Ribeiro, "Center-weighted Median Graph Filters", Proc. of IEEE of Global Conf. on Signal and Info. Process., Washington DC, Dec. 7-9, 2016.

[53]
F. Gama, A. G. Marques, G. Mateos, and A. Ribeiro, "Rethinking Sketching as Sampling: Linear Transforms of Graph Signals", Proc. of 50th Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 6-9, 2016.

[52]
S. Segarra, A. G. Marques, G. Mateos, and A. Ribeiro, "Network Topology Identification from Imperfect Spectral Templates", Proc. of 50th Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 6-9, 2016.

[51]
T. Chen, A. G. Marques, and G. B. Giannakis, "Space-Time Scheduling For Green Data Center Networks", Proc. of 50th Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 6-9, 2016.

[50]
A. G. Marques, G. Mateos, and Y. Eldar, " SIGIBE: Solving Random Bilinear Equations via Gradient Descent with Spectral Initialization", Proc. of European Signal Process. Conf., Budapest, Hungary, Aug. 29 - Sept. 2, 2016.

[49]
S. Segarra, A. G. Marques, G. Leus, and A. Ribeiro, "Stationary Graph Processes: Nonparametric Power Spectral Estimation ", Proc. of IEEE Sensor Array and Multichannel Signal Process. Wrksp., Rio de Janeiro, Brazil, July 10-13, 2016. [Slides PDF.]

[48]
S. Segarra, A. G. Marques, G. Mateos, and A. Ribeiro, "Network Topology Identification from Spectral Templates", Proc. of IEEE Intl. Wrksp. on Statistical Signal Process., Palma de Mallorca, Spain, June 26-29, 2016.[Poster PDF.]

[47]
S. Segarra, A. G. Marques, G. Mateos, and A. Ribeiro, "Blind Identification of Graph Filters with Multiple Sparse Inputs", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process., Shanghai, China, March 20-25, 2016. [Slides PDF.]

[46]
S. Segarra, A. G. Marques, G. Leus, and A. Ribeiro, "Space-Shift Sampling of Graph Signals", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process., Shanghai, China, March 20-25, 2016. [Slides PDF.]

[45]
S. Segarra, A. G. Marques, and A. Ribeiro, "Linear Network Operators Using Node-Variant Graph Filters", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process., Shanghai, China, March 20-25, 2016. [Slides PDF.]

[44]
S. Segarra, G. Mateos, A. G. Marques, and A. Ribeiro, "Blind Identification of Graph Filters with Sparse Inputs", Proc. of IEEE Intl. Wrksp. on Computational Advances in Multi-Sensor Adaptive Processing, Cancun, Mexico, Dec. 13-16, 2015.

[43]
S. Segarra, A. G. Marques, G. Leus and A. Ribeiro, "Aggregation Sampling of Graph Signals in the Presence of Noise", Proc. of IEEE Intl. Wrksp. on Computational Advances in Multi-Sensor Adaptive Processing, Cancun, Mexico, Dec. 13-16, 2015.

[42]
L. M. Lopez-Ramos, V. Kekatos, A. G. Marques, and G. B. Giannakis, "Microgrid Dispatch and Price of Reliability Using Stochastic Approximation", Proc. of IEEE of Global Conf. on Signal and Info. Process., Orlando, FL, Dec. 14-16, 2015. [Slides PDF.]

[41]
S. Segarra, A. G. Marques, G. Leus, and A. Ribeiro, "Reconstruction of Graph Signals: Percolation from a Single Seeding Node", Proc. of IEEE of Global Conf. on Signal and Info. Process., Orlando, FL, Dec. 14-16, 2015.

[40]
S. Segarra, A. G. Marques, G. Leus, and A. Ribeiro, "Sampling of Graph Signals: Successive Local Aggregations at a Single Node", Proc. of 49th Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 8-11, 2015.

[39]
S. Segarra, G. Mateos, A. G. Marques, and A. Ribeiro, "Blind Identification of Graph Filters with Sparse Inputs", Proc. of Workshop on Information in Networks, New York City, NY, Oct. 2-3, 2015 .

[38]
S. Segarra, A. G. Marques, and A. Ribeiro, "Distributed Implementation of Network Linear Operators using Graph Filters", Proc. of 53rd Allerton Conf. on Commun. Control and Computing, Univ. of Illinois at U-C, Monticello, IL, Sept. 30- Oct. 2, 2015.

[37]
S. Segarra, A. G. Marques, G. Leus, and A. Ribeiro, "Interpolation of Graph Signals Using Shift-Invariant Graph Filters", Proc. of European Signal Process. Conf., Nice, France, Aug. 31-Sept. 4, 2015. [Slides PDF.]

[36]
A.
G. Marques, S. Molinero and G. B. Giannakis, "Underlay Multi-Hop Cognitive Networks with Orthogonal Access", Proc. of IEEE CORAL 2015 at IEEE Intl. Symp. World of Wireless, Mobile and Multimedia Networks, Boston, USA, June. 14- 17, 2015.

[35]
A. G. Marques, L. Cadarso, E. Morgado and C. Figuera , "A Decomposition Method for Optimal User Assignment in Cellular Networks with Orthogonal Transmissions", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process., Brisbane, Australia, April 19-24, 2015. [Poster PDF.]

[34]
N. Gatsis and A. G. Marques, "A Stochastic Approximation Approach to Load Shedding in Power Networks", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process.,Florence, Italy, May 4-9, 2014. [Poster PDF.]

[33]
L. M. Lopez-Ramos, A. G. Marques, and J. Ramos, "Joint Sensing and Resource Allocation for Underlay Cognitive Radios", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process.,Florence, Italy, May 4-9, 2014. [Poster PNG.]

[32]
C. Gandarillas, C. Martin-Engenos, H. Lopez Pombo, and A. G. Marques, Dynamic Transmit-Power Control for WiFi Access Points Based on Wireless Link Occupancy
", Proc. of IEEE Wireless and Commun. and Networking Conf., Istambul, Turkey, Apr. 6-9, 2014.

[31]
E. Dall'Annese, A.
G. Marques, and G. B. Giannakis, "Primary Receiver Localization Using Sparsity and Interference Tweets", Proc. of IEEE Intl. Wrksp. on Computational Advances in Multi-Sensor Adaptive Processing, Saint Martin, Dec. 15- 18, 2013.

[30]
J. Fernandez-Bes, A.
G. Marques, and J. Cid-Sueiro, "Battery-Aware Selective Communications in Energy-Harvesting Sensor Networks: Optimal Solution and Stochastic Dual Approximation", Proc. of 10th Intl. Symposium on
Wireless Commun. Systems, Ilmenau, Germany, Aug. 27- 30, 2013.

[29]
E. Dall'Annese, A.
G. Marques, and G. B. Giannakis, "Hierarchical Spectrum Sharing Using Interference Tweets", Proc. of IEEE Wrksp. on Signal Process. Advances in Wireless Commun., Darmstadt, Germany, June. 16- 19, 2013.

[28]
L. M. Lopez-Ramos, A.
G. Marques, and J. Ramos, "Soft-Decision Sequential Sensing for Optimization of Interweave Cognitive Radio Networks", Proc. of IEEE Wrksp. on Signal Process. Advances in Wireless Commun., Darmstadt, Germany, June. 16- 19, 2013. [Poster PDF.]

[27]
A.
G. Marques, E. Dall'Annese, and G. B. Giannakis, "Joint
Resource Allocation and Primary User Localization in Underlay Cognitive Radios", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process., Vancouver, Canada, May. 26- 31, 2013.

[26]
A. G. Marques, J. Ramos, C. Figuera, and E. Morgado, "Underlay Cognitive Radios with Finite Transmission Modes and Capacity Guarantees for Primary Users," Proc. of 46th Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 4-7, 2012.

[25]
A. G. Marques, L. M. Lopez-Ramos, and J. Ramos, "Cognitive Radios with Ergodic Capacity Guarantees
for Primary Users", Proc. of Intl. Conf. on Cognitive Radio Oriented Wireless Networks, Stockholm, Sweden, Jun. 18-20, 2012.

[24]
L. M. Lopez-Ramos, A.
G. Marques, and J. Ramos, "Jointly Optimal Sensing and Resource Allocation for Multiuser Interweave Cognitive Radios", Proc. of Intl. Conf. on Cognitive Radio Oriented Wireless Networks, Stockholm, Sweden, Jun. 18-20, 2012.

[23]
A.
G. Marques, L. M. Lopez-Ramos, G. B. Giannakis, and J. Ramos, "Adaptive Underlay Cognitive Radios with Imperfect CSI and Probabilistic Interference Constraints", Proc. of IEEE Intl. Wrksp. on Computational Advances in Multi-Sensor Adaptive Processing, San Juan, Puerto Rico, Dec. 13- 16, 2011.

[22]
A.
G. Marques, G. B. Giannakis, L. M. Lopez-Ramos, and J. Ramos, "Stochastic
Resource Allocation for Cognitive Radio Networks based on Imperfect State Information", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process., Prague, Czech Rep., May. 22- 27, 2011.

[21]
L. M. Lopez-Ramos, A.
G. Marques, J. Ramos, and A. Caamano, "Cross-Layer Resource Allocation for Downlink Access Using Instantaneous Fading and Queue Length Information'", IEEE Proc. MCECN at Global Communications Conf., Miami, FL, Dec. 6-10, 2010.

[20]
A. B. Rodriguez-Gonzalez, L. M. Lopez-Ramos, A.
G. Marques, J. Ramos, and A. Caamano, "Robust Worst-Case Design for Optimizing Average Performance in OFDM using Quantized CSI'", IEEE Proc. MCECN at Global Communications Conf., Miami, FL, Dec. 6-10, 2010.

[19]
A.
G. Marques and G. B. Giannakis, "Adaptive Cross-Layer Resource Allocation for Wireless Orthogonal-Access Networks", Proc. of European Wireless Conf., Lucca, Italy, Apr. 12-15, 2010 (invited).

[18]
A.
G. Marques, G. B. Giannakis, and F. J. Ramos, "Stochastic Cross-Layer Resource Allocation for Wireless Networks Using Orthogonal Access: Optimality and Delay Analysis", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Dallas, TX, Mar. 14-19, 2010. (Numerical results available "here".)

[17]
J. Requena-Carrion, A. B. Rodriguez-Gonzalez, A. G. Marques, and D. Gutierrez-Perez, "WIP: Implantation of a Collaborative Student-Centered Learning Environment in a Wireless Technology Course ", Proc. of IEEE Frontiers in Education, San Antonio, TX, Oct. 18-21, 2009.

[16]
A.
G. Marques, G. B. Giannakis, and F. J. Ramos, "Stochastic Resource Allocation for Orthogonal Access Based on Quantized CSI: Optimality, Convergence and Delay Analysis", Proc. of IEEE Intl. Conf. on Acoustics, Speech and Signal Process., Taipei, Taiwan, Apr. 19-24, 2009. (Advice: Download this version, the published by IEEE contains a few typos.)

[15]
A.
G. Marques, G. B. Giannakis, and F. J. Ramos, "Optimum Scheduling for Orthogonal Multiple Access over Fading Channels using Quantized Channel State Information", Proc. of IEEE Wrksp. on Signal Process. Advances in Wireless Commun., Recife, Brasil, Jul. 4-6, 2008.

[14]
R. Arroyo-Valles, A. G. Marques, and J. Cid-Sueiro, "Energy-efficient Selective Forwarding for Sensor
Networks", Proc. of IEEE Wrksp. on Energy in Wireless Sensor Networks, in conjunction
with DCOSS’08, Santorini, Greece, Jun. 14, 2008.

[13]
A.
G. Marques, X. Wang, and G. B. Giannakis, "Optimal stochastic
dual resource allocation for cognitive radios based on quantized
CSI", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process., Las Vegas, NV, Mar. 30 - Apr. 4, 2008.

[12]
N.
Gatsis, A. G. Marques, and G. B. Giannakis, "Utility-based
power control for peer-to-peer cognitive radio networks with heterogeneous QoS
constraints", Proc. of IEEE Intl. Conf. on Acoustics,
Speech and Signal Process., Las Vegas, NV, Mar. 30 - Apr. 4, 2008.

[11] R. Arroyo-Valles, A. G. Marques, and J. Cid-Sueiro, "Energy-aware Geographic Forwarding of Prioritized
Messages in Wireless Sensor Networks", Proc. of IEEE Intl. Conf. on
Mobile Ad-hoc and Sensor Systems, Pisa, Italy, Oct. 8-11, 2007.

[10]
A. G. Marques, X. Wang, and G. B. Giannakis "Distributed Resource Allocation for Cognitive Radios based on Limited-Rate Feedback", Proc. of XV European Signal Process. Conf., Poznan, Poland, Sept. 3-7, 2007 (invited).

[9]
A. G. Marques, F. F. Digham, G. B. Giannakis, and F. J. Ramos, "Reduced-Complexity Power-Efficient
Wireless OFDMA using an Equally Probable CSI Quantizer", Proc. of IEEE Intl.
Conf. on Commun., Glasgow, Scotland, Jun. 24-28, 2007.

[8]
A.
G. Marques, X. Wang, and G. B. Giannakis, "Optimizing Energy Efficient of TDMA with Finite Rate Feedback", Proc. of IEEE Intl. Conf. on Acoustics, Speech and
Signal Process., Honolulu, HI, Apr. 15-20, 2007.

[7]
A.
G. Marques, X. Wang, and G. B. Giannakis, "Minimizing Transmit-Power
for Coherent Communications in Wireless Sensor Networks using Quantized
Channel State Information", Proc. of IEEE Intl. Conf. on Acoustics, Speech and
Signal Process., Honolulu, HI, Apr. 15-20, 2007.

[6]
A. G. Marques, G. B. Giannakis,
F. F. Digham, and F. J. Ramos, "Minimizing Power
in Wireless OFDMA with Limited Rate Feedback", Proc. of IEEE Wireless and
Commun. and Networking Conf., Hong Kong, Hong Kong, Mar. 11-15, 2007.

[5]
A. G. Marques, X. Wang, and G. B. Giannakis, "Energy Efficient MIMO Systems Using Adaptive Modulation and Coding," Proc. of 40th Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, (invited), Oct. 29-Nov. 1, 2006.

[4]
A.
G. Marques, X. Wang, and G. B. Giannakis, "Energy-Efficient
TDMA with Quantized Channel State Information", Proc. of MILCOM Conf.,
Washington, DC, Oct. 23-25, 2006.

[3] R. Arroyo-Valles, A. G. Marques, J.J.
Vinagre, and J. Cid-Sueiro, "A Bayesian Decision
Model for Intelligent Routing in Sensor Networks", Proc. of 3rd Intl.
Symposium on Wireless Commun. Systems, Valencia, Spain, Sept. 5-8,
2006.

[2]
A.
G. Marques, F. F. Digham, and G. B. Giannakis, "Power-Efficient
OFDM via Quantized Channel State Information", Proc. of IEEE Intl.
Conf. on Communications, Istanbul, Turkey, Jun. 11-15, 2006.

[1]
A.
G. Marques, F. F. Digham, and G. B. Giannakis, "Power-Efficient OFDM with Reduced Complexity and
Feedback Overhead", Proc. of IEEE Intl. Conf. on Acoustics, Speech and
Signal Process., Toulouse, France, May 16-20, 2006

__Spanish Conference Papers__

[3]
A. G. Marques, E. Morgado, A. Cano, A.
Caamano, F. J. Ramos, "Posicionamiento Eficiente de Pilotos para Nuevas
Aplicaciones de Sistemas OFDM", Telecom I+D, Madrid, Spain, Nov., 2005.

[2]
J. Vinagre, A. G. Marques, R. Lagar, A.
Caamano, F. J. Ramos, "Analisis de sincronismo y desarrollo de enrutado
bayesiano sobre plataforma fisica para redes ZIGBEE (802.15.4)", Telecom I+D,
Madrid, Spain, Nov., 2005.

[1]
A. G. Marques, E. Morgado, A. Cano, A.
Caamano, F. J. Ramos, "Patrones Eficientes de Pilotos en Sistemas OFDM
para Canales inalambricos Selectivos en Tiempo y Frecuencia", Simposium
Nacional de la Union Cientifica Internacional de Radio (URSI), Gandia, Spain,
Sept., 2005.