Keynotes/Invited Talks & Panels

• Presentations on Multimodal Graph Generative AI and Introduction to LLMs in the Winter Data Science School about GenerativeAI held at the Conference Center at EMINES, UM6P at Morocco (February 2024)
• "Graph Neural Networks and applications to heterogeneous data" , Keynote speaker in WEBCONF2023, Texas USA, May 2023 [VIDEO]
• "Graph Machine Learning with GNNs and Applications" - Invited course, DeepLearn 2023 Spring, 9th International School on Deep Learning, Bari Italy, April 03-07, 2023
• "Machine Learning with Graphs and Applications" - Invited course, 5th INTERNATIONAL SCHOOL ON DEEP LEARNING, Guimarães, Portugal, April 2022
• "JuriBERT: A Masked-Language Model Adaptation for French Legal Text", Algorithmic Law and Society Symposium, HEC Paris, Paris, France, December 2021
• "Towards GNN explainability: Random Walk Graph Neural Networks" - Keynote talk, in the RecSys 21, GReS Workshop on Graph Neural Networks for Recommendation and Search, October 2021
• Keynote talk @WIMS 2020 - The 10th International Conference on Web Intelligence, Mining and Semantics, July 1, 2020
• "Graph Mining for Fraud detection" - Detecting Anomalies (and Fraud) in Networks:TARC Workshop, June 24 2020
• @DL4KG (Deep Learning for Knowledge Graphs) - Keynote talk, June 2, 2020
• ACM - KDD Seminar on Neural Networks, Singapore, April 25, 2019
• "Deep Learning for Sets", Next++ Joint research center, National University of Singapore, Singapore, April 26, 2019
• "We, the Robots: Freedom in the Era of Artificial Intelligence" - Columbia University & Alliance event, New York, USA, April 09, 2019
• The Complex Networks Conference 2019 - Keynote talk, Lisbon, Portugal, December 2019
• Event on AI organised by Capgemini for Airbus - Panel Discussion, September 2019
• "Graph based event detection in streams", Data Science Institute Colloquium, Columbia University, New York, USA, April 2018
• DaSciM at Facebook Paris: Keynote talk in the Data Science, Facebook Paris(Core Data Science team), Paris, France, September 2017
• "Paris-Saclay Center for Data Science kick-off meeting" - Panel Discussion, June 2014 , Link
• "Graph degeneracy for graph mining in social networks", June 2012 , Intersocial Workshop on Online Social Networks: Challenges and Perspectives (IWOSN) Patras, Greece
• "Measuring the cohesiveness of groups in evolving large scale graphs", Max Planck Institut for Informatics (G. Weikum group), Saarbruecken, July 2010
• "Real time web personalization" at the INRIA - Bell Labs Workshop II "Fundamentals of Communications and Networking", October 22-23, 2009, INRIA, Paris-Rocquencourt, France
• Semantic Overlay Networks for P2P Web Search,Yahoo! Research, Workshop: The Future of Web Search, Barcelona - May 19-20, 2006
• PageRank change rate prediction as a classification problem, Algorithmic and Numerical Aspects in Web Search (ANAW) 2006, ASK.COM Research & Univ. Pisa, Feb 7-9, 2006

Recent Tutorials

• Machine Learning on Graphs with Kernels. Michalis Vazirgiannis, Giannis Nikolentzos, Giannis Siglidis. 28th ACM International Conference on Information and Knowledge Management (CIKM), Beijing China, November 2019.
  Tutorial web page here
• GraRep: Boosting Text Mining with Graphs. Michalis Vazirgiannis, Fragkiskos D. Malliaros, Giannis Nikolentzos. International Conference on Information and Knowledge Management, Turin, Italy, October 2018.
• Graph-based Text Representations: Boosting Text Mining, NLP and Information Retrieval with Graphs. Fragkiskos D. Malliaros, Polykarpos Meladianos and Michalis Vazirgiannis. The Web Conference (WWW), Lyon, France, April 2018.
• Graph-based Text Representations: Boosting Text Mining, NLP and Information Retrieval with Graphs. Fragkiskos D. Malliaros and Michalis Vazirgiannis. Conference on Empirical Methods in Natural Language Processing (EMNLP), Copenhagen, Denmark, September 2017.
• Core Decomposition in Graphs: Concepts, Algorithms and Applications. Fragkiskos D. Malliaros, Apostolos N. Papadopoulos and Michalis Vazirgiannis. IEEE International Conference on Data Mining series (ICDM), Barcelona, Spain, December 2016.
• Core Decomposition in Graphs: Concepts, Algorithms and Applications. Fragkiskos D. Malliaros, Apostolos N. Papadopoulos and Michalis Vazirgiannis. International Conference on Extending Database Technology (EDBT), Bordeaux, France, March 2016.
• Community Detection and Evaluation in Social and Information Networks. Christos Giatsidis, Fragkiskos D. Malliaros, and Michalis Vazirgiannis. 15th International Conference on Web Information System Engineering, Thessaloniki, Greece, October 2014.
• Graph Mining Tools for Community Detection and Evaluation in Social Networks and the Web. Christos Giatsidis, Fragkiskos D. Malliaros, and Michalis Vazirgiannis. International World Wide Web Conference (WWW), Rio de Janeiro, Brazil, May 2013.
• Advanced Graph Mining for Community Evaluation in Social Networks and the Web. Christos Giatsidis, Fragkiskos D. Malliaros, and Michalis Vazirgiannis. Download the paper here. ACM International Conference on Web Search and Data Mining (WSDM), Rome, Italy, February 2013.