Kenkyuu

Ideas about computers and life

Research

Publications

Invited Talks & Presentations

  • “Echo Chambers on Social Media”
    Human and Network Sciences: Graph Computing for Humanities and Social Science Research, London, 18 Oct 2024. [slides]
  • “Learning Agent-Based Models from Data”
    Statistical and Probabilistic Methods in Algorithmic Data Analysis, Dagstuhl, 23 Sep 2024. [slides]
  • “Learning Agent-Based Models from Data”
    Complex networks: from socio-economic systems to biology and the brain, Lipari, 6 Jul 2024. [slides]
  • “Tracing AI’s Transformation from ‘WarGames’ to the Social Media Era”
    The Impact of Artificial Intelligence on Geopolitics, Luxembourg, 14 Dec 2023.
  • “Repurpose, Reuse, Recycle the building blocks of Machine Learning”
    Keynote Machine Learning Day @KTH, 17 May 2023. [slides]
  • “How I Learned to Stop Worrying and Love the Risk”
    Keynote MIDAS workshop @ECMLPKDD, 17 Sep 2021. [slides]
  • “Controversy on Social Media: Collective Attention, Echo Chambers, and Price of Bipartisanship”
    Controverse Workshop, Montpellier, 22 Nov 2019. [slides]
  • “Controversy on Social Media: Collective Attention, Echo Chambers, and Price of Bipartisanship”
    Telecom ParisTech, Paris, 4 Jul 2019. [slides]
  • “Controversy on Social Media: Collective Attention, Echo Chambers, and Price of Bipartisanship”
    EPFL, Lausanne, 19 Sep 2018. [slides]
  • “Quantifying and Reducing Controversy in Social Media”
    IIIT, Hyderabad, 27 Jun 2018. [slides]
  • “Quantifying and Reducing Controversy in Social Media”
    QCRI, Doha, 3 May 2017. [slides]
  • “Big Data Streams: The Next Frontier”
    KTH, Stockholm, 24 Jun 2015. [slides]
  • “To Stream or Not To Stream? The Landscape of Online Analytics”
    EVAM Solutions Day, Istanbul, 28 May 2015. [slides]
  • “Mining Big Data Streams: Better Algorithms or Faster Systems?”
    KAIST, Seoul, 20 April 2015. [slides]
  • “SAMOA: A Platform for Mining Big Data Streams”
    Strata ’14, Barcelona, 20 Nov 2014. [slides]
  • “Mining Big Data Streams”
    Workshop on “Online Social Networks: Emerging Trends”, University of Cyprus, Nicosia, 8 Oct 2014. [slides]
  • “SAMOA: A Platform for Mining Big Data Streams”
    University Federico Santa Maria / University of Chile / University of Santiago, Santiago de Chile, Aug 2014. [slides]
  • “SAMOA: Scalable Advanced Massive Online Analysis”
    NoSQL Matters ‘13, Barcelona, 30 Nov 2013. [video|slides]
  • “SAMOA: A Platform for Mining Big Data Streams”
    Keynote RAMSS ‘13 @WWW, Rio De Janeiro, 14 May 2013. [slides]
  • “Big Data and the Web”
    IMT Institute for Advanced Studies, Lucca, 21 March 2012. [slides]
  • “Harnessing the Real-Time Web for Personalized News Recommendation”
    Yahoo! Labs, Sunnyvale, 16 February 2012. [slides]
  • “Big Data and the Web: Algorithms for Data Intensive Scalable Computing”
    WSDM’12 Doctoral Consortium,  Seattle, 8 February 2012.
  • “Social Content Matching in MapReduce”
    Yahoo! Research, Barcelona, 10 March 2011. [slides]
  • “Cloud Computing for Large Scale Data Analysis”
    Yahoo! Research, Barcelona, 2 December 2010. [slides]
  • “Scaling Out All Pairs Similarity Search with MapReduce”
    Summer School on Social Networks, Lipari, 6 July 2010. [slides]
  • “How to Survive the Data Deluge: Petabyte Scale Cloud Computing”
    ISTI-CNR, Pisa, 18 January 2010. [slides]

Patents

  • “Method for estimating the default risk of companies, taking into account network contagion through the trade credit channel”, Italy Patent No. 102021000003788, 18 Feb 2021.
  • “Method and system for displaying content relating to a subject matter of a displayed media program”, U.S. Patent No. US9817911B2, 14 Nov 2017.
  • “Method and system for recommending relevant web content to second screen application users”, U.S. Patent No. US9268861B2, 23 Feb 2016.
  • “Method and apparatus to build flowcharts for e-shopping recommendations”, U.S. Patent No. US20140358720A1, 04 Dec 2014.
  • “System and method of matching content items and consumers”, U.S. Patent No. US8660975B2, 25 Feb 2014.

Community Service

Tutorials:

  • “Learning from Big Data Streams: Algorithm and System Design” @EAIA ‘18 Advanced School on Data Science for Big Data [web]
  • “Polarization on Social Media” @ICWSM ’17, @WWW ‘18, @KDD ‘18, @EuroCSS ‘19. [web]
  • “IoT Big Data Stream Mining” @KDD ‘16, @CIKM ‘16, @AAAI ‘17, @SDM ‘17. [web]
  • “Centrality Measures on Big Graphs: Exact, Approximated, and Distributed Algorithms” @WWW ‘16. [web]
  • “Big Data Stream Mining” @IEEE BigData ‘14. [web|slides]

General Chair:

  • SNOW ‘13-14-16-17 (Social News on the Web, workshop @WWW).
  • NOCAPS ‘24 (Networks and Opinions on Climate Action in the Public Sphere, workshop @ICWSM). [web]

PC Chair:

  • ECMLPKDD ‘23 ADS Track [web]
  • ASONAM ‘24 Industrial Track

Senior PC member / Area chair:

  • WWW ‘23-24-26
  • KDD ‘26
  • ICWSM ‘22-23-24-25-26
  • WSDM ‘23
  • WebSci ‘23-24-25-26
  • ICDM ‘21
  • AAAI ‘21
  • ECMLPKDD ‘21-22-26
  • EuroPar ‘18

PC member:

  • ACL ‘25-‘26
  • WWW ‘14-16-17-18-19-20-21-22
  • KDD ‘15-16-17-18-21-22-23-24
  • ICWSM ‘14-17-18-19-20-21-22
  • WSDM ‘13-14-16-17-18-19-20-21
  • WebSci ‘20-21-22
  • ICDM ‘16-17-18-19-20
  • SDM ‘22
  • IC2S2 ‘23
  • NetSci ‘20
  • CIKM ‘14-15-17
  • IJCAI ‘15-17

  • ECMLPKDD ‘15-16

    ⠀

  • NECO ‘20
  • BigMine ‘14-15-16-17-18-19
  • NLP4IF ‘19
  • LSRS ‘15-16-17
  • DSSD ‘17
  • MAISoN ‘17
  • IIR ‘15-16
  • SMNews ‘16
  • RTStreams ‘15

Other:

  • ICWSM ‘24 Best Paper Award Committee
  • ICWSM ‘25 Best Paper Award Committee
  • External reviewer: KDD ‘12, ICDE ‘13, ICDM ‘14, KDD ‘14, ICALP ‘14.
  • Reviewer: TWEB, TKDE, TKDD, WWWJ, VLDBJ, KAIS, PARCO, MACH, JPDC, Network Science, PeerJ.