Gionis, Aristides

27 publications

AAAI 2025 Creating Coherence in Federated Non-Negative Matrix Factorization Sebastian Dalleiger, Aristides Gionis

NeurIPS 2025 Discovering Opinion Intervals from Conflicts in Signed Graphs Peter Blohm, Florian Chen, Aristides Gionis, Stefan Neumann

ECML-PKDD 2025 Sample and Expand: Discovering Low-Rank Submatrices with Quality Guarantees Martino Ciaperoni, Aristides Gionis, Heikki Mannila

NeurIPS 2025 Shapley-Based Data Valuation for Weighted $k$-Nearest Neighbors Guangyi Zhang, Qiyu Liu, Aristides Gionis

NeurIPS 2025 Streaming Stochastic Submodular Maximization with On-Demand User Requests Honglian Wang, Sijing Tu, Lutz Oettershagen, Aristides Gionis

ECML-PKDD 2025 Who Is at Risk? Analyzing the Risk of Radicalization Among Reddit Users Ece Calikus, Gianmarco De Francisci Morales, Aristides Gionis

AISTATS 2023 A Constant-Factor Approximation Algorithm for Reconciliation $k$-Median Joachim Spoerhase, Kamyar Khodamoradi, Benedikt Riegel, Bruno Ordozgoiti, Aristides Gionis

AISTATS 2022 Improved Analysis of Randomized SVD for Top-Eigenvector Approximation Ruo-Chun Tzeng, Po-An Wang, Florian Adriaens, Aristides Gionis, Chi-Jen Lu

ICML 2022 Generalized Leverage Scores: Geometric Interpretation and Applications Bruno Ordozgoiti, Antonis Matakos, Aristides Gionis

ECML-PKDD 2021 Diversity-Aware K-Median: Clustering with Fair Center Representation Suhas Thejaswi, Bruno Ordozgoiti, Aristides Gionis

NeurIPS 2020 Co-Exposure Maximization in Online Social Networks Sijing Tu, Cigdem Aslay, Aristides Gionis

NeurIPS 2020 Discovering Conflicting Groups in Signed Networks Ruo-Chun Tzeng, Bruno Ordozgoiti, Aristides Gionis

ECML-PKDD 2020 Mining Dense Subgraphs with Similar Edges Polina Rozenshtein, Giulia Preti, Aristides Gionis, Yannis Velegrakis

IJCAI 2018 Reducing Controversy by Connecting Opposing Views Kiran Garimella, Gianmarco De Francisci Morales, Aristides Gionis, Michael Mathioudakis

NeurIPS 2017 Balancing Information Exposure in Social Networks Kiran Garimella, Aristides Gionis, Nikos Parotsidis, Nikolaj Tatti

ECML-PKDD 2017 The Network-Untangling Problem: From Interactions to Activity Timelines Polina Rozenshtein, Nikolaj Tatti, Aristides Gionis

ECML-PKDD 2016 Discovering Topically- and Temporally-Coherent Events in Interaction Networks Han Xiao, Polina Rozenshtein, Aristides Gionis

ECML-PKDD 2016 Temporal PageRank Polina Rozenshtein, Aristides Gionis

ECML-PKDD 2015 A Kernel-Learning Approach to Semi-Supervised Clustering with Relative Distance Comparisons Ehsan Amid, Aristides Gionis, Antti Ukkonen

ECML-PKDD 2015 Maintaining Sliding-Window Neighborhood Profiles in Interaction Networks Rohit Kumar, Toon Calders, Aristides Gionis, Nikolaj Tatti

ECML-PKDD 2015 The Blind Leading the Blind: Network-Based Location Estimation Under Uncertainty Eric Malmi, Arno Solin, Aristides Gionis

ECML-PKDD 2014 Discovering Dynamic Communities in Interaction Networks Polina Rozenshtein, Nikolaj Tatti, Aristides Gionis

ICML 2014 Structured Prediction of Network Response Hongyu Su, Aristides Gionis, Juho Rousu

ECML-PKDD 2013 Discovering Nested Communities Nikolaj Tatti, Aristides Gionis

ECML-PKDD 2011 A Shapley Value Approach for Influence Attribution Panagiotis Papapetrou, Aristides Gionis, Heikki Mannila

ECML-PKDD 2009 Mining Graph Evolution Rules Michele Berlingerio, Francesco Bonchi, Björn Bringmann, Aristides Gionis

ECML-PKDD 2009 Taxonomy-Driven Lumping for Sequence Mining Francesco Bonchi, Carlos Castillo, Debora Donato, Aristides Gionis