Santiago Segarra - Latest news

Postdoctoral Research Associate (segarra@mit.edu)

06/10/18 - Attended the IEEE Statistical Signal Processing Workshop in Freiburg im Breisgau, Germany. I presented one paper there.

06/06/18 - Attended the Graph Signal Processing Workshop at EPFL, Lausanne, Switzerland. I presented one poster there.

06/04/18 - Attended the IEEE Data Science Workshop at EPFL, Lausanne, Switzerland. I presented one paper there.

06/01/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the King Juan Carlos University, Madrid, Spain.

05/30/18 - Delivered the talk “Community Detection from Low-Rank Excitations of a Graph Filter” at the MIT LIDS & IDSS Postdoc Lunch Seminar, Cambridge, MA, USA.

04/15/18 - Attended the 2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) in Calgary, Canada. I had three papers there.

04/11/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Department of Electrical Engineering and Computer Science of the University of California Irvine, Irvine, CA. Thank you for the invitation!

04/05/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Thayer School of Engineering, Dartmouth College, Hanover, NH. Thank you for the invitation!

03/28/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Department of Electrical and Computer Engineering of Texas A&M University, College Station, TX. Thank you for the invitation!

03/26/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Electrical and Computer Engineering Department of Purdue University, West Lafayette, IN. Thank you for the invitation!

03/20/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Electrical and Computer Engineering Department of Rice University, Houston, TX. Thank you for the invitation!

03/14/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Electrical and Computer Engineering Department of the University of Florida, Gainesville, FL. Thank you for the invitation!

03/12/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Electrical and Computer Engineering Department of the University of Delaware, Newark, DE. Thank you for the invitation!

03/05/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Electrical and Computer Engineering Department of Lehigh University, Bethlehem, PA. Thank you for the invitation!

03/02/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Electrical and Computer Engineering Department of the University of Virginia, Charlottesville, VA. Thank you for the invitation!

02/26/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Electrical Engineering Department of Penn State University, State College, PA. Thank you for the invitation!

02/23/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Electrical and Computer Engineering Department of the University of Illinois at Chicago, Chicago, IL. Thank you for the invitation!

02/20/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Electrical and Computer Engineering Department of the George Washington University, Washington, DC. Thank you for the invitation!

02/15/18 - Delivered the talk “Network Inference from Graph Signals” at the Information Theory and Applications (ITA) Workshop, San Diego, CA.

02/07/18 - Delivered the seminar “Data Science for Networks: a Graph Signal Processing Perspective” at the Electrical Engineering and Computer Science Department of the University of Michigan, Ann Arbor, MI. Thank you for the invitation!

01/09/18 - Visited Virginia Tech as part of their Future Faculty Development Program. Thanks to the ECE department for hosting me, I had a great time!

12/13/17 - Presented the paper Network Inference from Consensus Dynamics co-authored with Michael T. Schaub and Ali Jadbabaie at the 2017 IEEE Conference on Decision and Control (CDC).

11/29/17 - Delivered the seminar “Graph Signal Processing: Stationarity and Network Topology Inference” at the College of Engineering of the Texas A&M University, College Station, TX.

11/14/17 - The Symposium on Graph Signal Processing was held at the IEEE Global Conference on Signal and Information Processing. I acted as technical co-chair along with Gonzalo Mateos, and general co-chairs Antonio G. Marques and Michael Rabbat. We thank our distinguished speakers P. P. Vaidyanathan and Geert Leus.

10/31/17 - Presented the paper “Joint Inference of Networks from Stationary Graph Signals” co-authored with Yuhao Wang, Caroline Uhler, and Antonio G. Marques at the 2017 Asilomar Conference on Signals, Systems, and Computers (Pacific Grove, CA).

09/14/17 - Received the Joseph and Rosaline Wolf Award for Best Doctoral Dissertation granted by the Department of Electrical and Systems Engineering of the University of Pennsylvania.

09/14/17 - Delivered the special seminar “Shakespeare and Networks” at the Buenos Aires Institute of Technology (ITBA), Buenos Aires, Argentina.

08/22/17 - I have added a section about my Erdős number in the personal portion of the webpage, check it out!

08/16/17 - I am organizing an invited session on “Networks and Society” at the upcoming Asilomar Conference on signals, systems, and computers. Check the outstanding list of contributors here.

07/28/17 - A preprint of the paper Centrality Measures for Graphons co-authored with Marco Avella-Medina, Francesca Parise, and Michael T. Schaub was uploaded.

07/27/17 - The journal paper Stationary Graph Processes and Spectral Estimation co-authored with Antonio G. Marques, Geert Leus, and Alejandro Ribeiro was accepted for publication at the IEEE Transactions on Signal Processing.

07/12/17 - The conference paper Network Inference from Consensus Dynamics co-authored with Michael T. Schaub and Ali Jadbabaie was accepted for presentation at the 2017 IEEE Conference on Decision and Control (CDC).

06/22/17 - The journal paper Network Topology Inference from Spectral Templates co-authored with Antonio G. Marques, Gonzalo Mateos, and Alejandro Ribeiro was accepted for publication at the joint special issue on graph signal processing between the IEEE Journal of Selected Topics in Signal Processing and the IEEE Transactions on Signal and Information Processing over Networks.

06/01/17 - Delivered the talk “Median Graph Filters” at the 2017 Graph Signal Processing Workshop organized at Carnegie Mellon University.

05/31/17 - Delivered the one-hour tutorial talk “Stationary Graph Processes” at the 2017 Graph Signal Processing Workshop organized at Carnegie Mellon University.

05/24/17 - A preprint of the paper The Dual Graph Shift Operator: Identifying the Support of the Frequency Domain co-authored with Geert Leus, Alejandro Ribeiro, and Antonio G. Marques was uploaded.

05/16/17 - Presented the poster “Network Topology Identification from Spectral Templates” at the 2017 Graph Exploitation Symposium.

05/13/17 - The journal paper Hierarchical Overlapping Clustering of Network Data Using Cut Metrics co-authored with Fernando Gama and Alejandro Ribeiro was accepted for publication at the IEEE Transactions on Signal and Information Processing over Networks.

05/02/17 - The journal paper “Optimal Graph-Filter Design and Applications to Distributed Linear Network Operators” co-authored with Antonio G. Marques and Alejandro Ribeiro was accepted for publication at the IEEE Transactions on Signal Processing. This paper corresponds to our preprint Distributed Linear Network Operators using Graph Filters.

04/26/17 - Delivered a seminar entitled “Graph Signal Processing: Stationarity and Network Topology Inference” as part of the ECE seminar series of the University of Rochester.

04/25/17 - Delivered an invited lecture entitled “How many Shakespeares?” at the Network Science course of Gonzalo Mateos at the University of Rochester.

04/12/17 - Delivered a chalk talk entitled “Graph Signal Processing and Applications to Network Topology Inference” at the LIDS tea talk series at MIT.

04/06/17 - Delivered a presentation entitled “Graph Signal Processing: Stationarity and Network Topology Inference” at a meeting of the Signals, Information, and Algorithms Laboratory at MIT.

03/13/17 - Delivered a presentation entitled “Shakespeare and Company: The collaboration with Marlowe on Henry VI” with Mark Eisen and Alejandro Ribeiro at the History of Material Texts of the University of Pennsylvania.

03/10/17 - The journal paper Brain Network Efficiency is Influenced by Pathological Source of Corticobasal Syndrome co-authored with John D. Medaglia, Weiyu Huang, Christopher Olm, James Gee, Murray Grossman, Alejandro Ribeiro, Corey T. McMillan, and Danielle S. Bassett was accepted for publication at Neurology.

03/09/17 - Presented the paper “Robust Network Topology Inference” co-authored with Antonio G. Marques, Gonzalo Mateos, and Alejandro Ribeiro at the 2017 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP).

03/06/17 - Presented the paper “Stationary Graph Processes: Parametric Power Spectral Estimation” co-authored with Antonio G. Marques, Geert Leus, and Alejandro Ribeiro at the 2017 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP).

03/05/17 - Delivered the tutorial “Graph Signal Processing: Fundamentals and Applications to Diffusion Processes” along with Antonio G. Marques and Alejandro Ribeiro at the 2017 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP).

02/08/17 - I will perform as technical co-chair in the Symposium on Graph Signal Processing for the upcoming GlobalSIP. See the call for papers for more details.

01/20/17 - The journal paper Admissible Hierarchical Clustering Methods and Algorithms for Asymmetric Networks co-authored with Gunnar Carlsson, Facundo Mémoli, and Alejandro Ribeiro was accepted for publication at the IEEE Transactions on Signal and Information Processing over Networks.

12/12/16 - The conference paper “Network Topology Inference from Non-Stationary Graph Signals” co-authored with Rasoul Shafipour, Antonio G. Marques, and Gonzalo Mateos was accepted for presentation at the 2017 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP).

12/12/16 - The conference paper “Graph-Signal Reconstruction and Blind Deconvolution for Diffused Sparse Inputs” co-authored with David Ramírez and Antonio G. Marques was accepted for presentation at the 2017 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP).

12/12/16 - The conference paper “Stationary Graph Processes: Parametric Power Spectral Estimation” co-authored with Antonio G. Marques, Geert Leus, and Alejandro Ribeiro was accepted for presentation at the 2017 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP).

12/12/16 - The conference paper “Robust Network Topology Inference” co-authored with Antonio G. Marques, Gonzalo Mateos, and Alejandro Ribeiro was accepted for presentation at the 2017 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP).

12/08/16 - Presented the paper Center-Weighted Median Graph Filters co-authored with Antonio G. Marques, Gonzalo Arce, and Alejandro Ribeiro at the 2016 IEEE Global Conference on Signal and Information Processing (GlobalSIP).

12/06/16 - Delivered the tutorial “Graph Signal Processing: Fundamentals and Applications to Diffusion Processes” along with Antonio G. Marques and Gonzalo Mateos at the 2016 IEEE Global Conference on Signal and Information Processing (GlobalSIP).

11/08/16 - Presented the paper Network Topology Identification from Imperfect Spectral Templates co-authored with Antonio G. Marques, Gonzalo Mateos, and Alejandro Ribeiro at the 2016 Asilomar Conference on Signals, Systems, and Computers (Pacific Grove, CA).

11/04/16 - A preprint of the paper Hierarchical Overlapping Clustering of Network Data Using Cut Metrics co-authored with Fernando Gama and Alejandro Ribeiro was uploaded.

11/01/16 - The journal paper Blind Identification of Graph Filters co-authored with Gonzalo Mateos, Antonio G. Marques, and Alejandro Ribeiro was accepted for publication at the IEEE Transactions on Signal Processing.

10/24/16 - The New Oxford Shakespeare edition lists Christopher Marlowe as Shakespeare’s co-author on the three “Henry VI”, parts 1, 2, and 3 in part based on our paper “Attributing the Authorship of the Henry VI Plays by Word Adjacency” co-authored with Mark Eisen, Gabriel Egan, and Alejandro Ribeiro and to appear in the next edition of Shakespeare Quarterly. Check-out some press releases below:

New York Times, CBS News, The Washington Post, The Guardian, Reuters, NPR, New Atlas, The Daily Pennsylvanian, True Viral News, Penn News, Futurity.

10/18/16 - A preprint of the paper “Stylometric Analysis of Early Modern Period English Plays co-authored with Mark Eisen, Gabriel Egan, and Alejandro Ribeiro was uploaded.

09/09/16 - Officially started as a Postdoctoral Research Associate in the Institute for Data, Systems, and Society (IDSS) at MIT.

08/30/16 - Successfully defended my PhD thesis entitled “Metric Representations of Networks”. I thank my advisor Prof. Alejandro Ribeiro as well as my committee members Prof. Dan Koditschek, Prof. Robert Ghrist, and Prof. Facundo Mémoli.

08/20/16 - The conference paper Center-Weighted Median Graph Filters co-authored with Antonio G. Marques, Gonzalo Arce, and Alejandro Ribeiro was accepted for presentation at the 2016 IEEE GlobalSIP Symposium on Signal and Information Processing Over Networks.

07/18/16 - The conference paper Network Topology Identification from Imperfect Spectral Templates co-authored with Antonio G. Marques, Gonzalo Mateos, and Alejandro Ribeiro was accepted for presentation at the 2016 Asilomar Conference on Signals, Systems, and Computers.

07/13/16 - The paper Stationary Graph Processes: Nonparametric Power Spectral Estimation co-authored with Antonio G. Marques, Geert Leus, and Alejandro Ribeiro won the Best Paper Award at the 2016 IEEE Sensor Array and Multichannel Signal Processing Workshop.

07/13/16 - Delivered a talk entitled “Stability and Continuity of Centrality Measures in Weighted Graphs” in a symposium on Analysis of Noisy Networks during SIAM annual meeting (Boston, MA).

06/29/16 - The paper Network Topology Identification from Spectral Templates co-authored with Antonio G. Marques, Gonzalo Mateos, and Alejandro Ribeiro won the Student Best Paper Award at the 2016 IEEE International Workshop on Statistical Signal Processing.