activity
20092026
most citedPolitical Discourse on Social Media: Echo Chambers, Gatekeepers, and the Price of Bipartisanship

79 citations · 541 across the 84 of their papers we have counts for

collaborators
Showing cs.DBShow all

6 papers · 1 filter

cs.DB2023

Finding Favourite Tuples on Data Streams with Provably Few Comparisons

Guangyi Zhang, Nikolaj Tatti, Aristides Gionis

One of the most fundamental tasks in data science is to assist a user with unknown preferences in finding high-utility tuples within a large database. To accurately elicit the unkn…

cs.DB2021

Workload-Aware Materialization of Junction Trees

Martino Ciaperoni, Cigdem Aslay, Aristides Gionis +1

Bayesian networks are popular probabilistic models that capture the conditional dependencies among a set of variables. Inference in Bayesian networks is a fundamental task for answ…

cs.DB2019★ 1 cited

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…

cs.DB2016

Streaming Similarity Self-Join

Gianmarco De Francisci Morales, Aristides Gionis

We introduce and study the problem of computing the similarity self-join in a streaming context (SSSJ), where the input is an unbounded stream of items arriving continuously. The g…

cs.DB2012★ 6 cited

Injecting Uncertainty in Graphs for Identity Obfuscation

Paolo Boldi, Francesco Bonchi, Aris Gionis +1

Data collected nowadays by social-networking applications create fascinating opportunities for building novel services, as well as expanding our understanding about social structur…

cs.DB2009

Query Significance in Databases via Randomizations

Markus Ojala, Gemma C. Garriga, Aristides Gionis +1

Many sorts of structured data are commonly stored in a multi-relational format of interrelated tables. Under this relational model, exploratory data analysis can be done by using r…