Publications (30)
Query the model: precomputations for efficient inference with Bayesian Networks
Cigdem Aslay, Martino Ciaperoni, Aristides Gionis +1
Variable Elimination is a fundamental algorithm for probabilistic inference over Bayesian networks. In this paper, we propose a novel materialization method for Variable Eliminatio…
The Effect of Collective Attention on Controversial Debates on Social Media
Kiran Garimella, Gianmarco De Francisci Morales, Aristides Gionis +1
We study the evolution of long-lived controversial debates as manifested on Twitter from 2011 to 2016. Specifically, we explore how the structure of interactions and content of dis…
Intersectional Affirmative Action Policies for Top-k Candidates Selection
Giorgio Barnabo', Carlos Castillo, Michael Mathioudakis +1
We study the problem of selecting the top-k candidates from a pool of applicants, where each candidate is associated with a score indicating his/her aptitude. Depending on the spec…
Optimizing a Data Science System for Text Reuse Analysis
Ananth Mahadevan, Michael Mathioudakis, Eetu Mäkelä +1
Text reuse is a methodological element of fundamental importance in humanities research: pieces of text that re-appear across different documents, verbatim or paraphrased, provide…
Graph Summarization via Node Grouping: A Spectral Algorithm
Arpit Merchant, Michael Mathioudakis, Yanhao Wang
Graph summarization via node grouping is a popular method to build concise graph representations by grouping nodes from the original graph into supernodes and encoding edges into s…
Exploring Controversy in Twitter
Kiran Garimella, Gianmarco De Francisci Morales, Aristides Gionis +1
Among the topics discussed on social media, some spark more heated debate than others. For example, experience suggests that major political events, such as a vote for healthcare l…