Political Discourse on Social Media: Echo Chambers, Gatekeepers, and the Price of Bipartisanship. WWW 2018. [ACM][arXiv] With K. Garimella, G. De Francisci Morales, A. Gionis. Covered on CNET, Le Monde.
Markov Chain Monitoring. SDM 2018. With Harshal Chauduri, Evimaria Terzi. [arXiv – full version]
Quantifying Controversy on Social Media. Springer Transactions on Social Computing 2017. With K. Garimella, G. De Francisci Morales, A. Gionis
The Effect of Collective Attention on Controversial Debates on Social Media. WebSci 2017. With K. Garimella, G. De Francisci Morales, A. Gionis. Best Student Paper. [Slides]
Reducing Controversy by Connecting Opposing Views. WSDM 2017. With K. Garimella, G. De Francisci Morales, A. Gionis. [ACM][Slides] Best Student Paper. Covered on Acolyer, Aalto News, Communications of ACM – News, Science Newsline, Phys.org, Slate.
Local Discrepancy Maximization on Graphs. TKDE 2017. [IEEEXplore] With A. Gionis, A. Ukkonen
Modeling Urban Behavior by Mining Urban Data. IEEE Transactions on Big Data / Special Issue on Urban Computing. With E. Çelikten, G. Le Falher. [IEEEXplore]
Current or recent reviewer for PVLDB 2019, ICDE 2019, and IEEE TKDE.
Examination committee member for 6 PhD defenses.
Longer list maintained here.
Network Analysis, University of Helsinki, Spring 2019, with Ben Hui.
News and Media on the Web, Seminar, University of Helsinki, Fall 2019.
Introduction to Big Data Management: Semi-structured data and MongoDB, University of Helsinki, Fall 2019, with Jiaheng Lu.
Data Science Project, University of Helsinki, Fall 2019.
Data Science, INSA Lyon, Fall 2017.
Modern Database Systems, Aalto, Spring 2017, with Aristides Gionis.
Modern Database Systems, Aalto, Spring 2016, with Aristides Gionis.
The course covers (i) relational database systems and disk access analysis, (ii) querying and indexing for semi-structured data and text, (iii) Map-Reduce and Apache Spark.
Mining the Social Web, Aalto, Spring 2015, with Aristides Gionis.