2 code implementations • 26 Aug 2021 • Jesus Antonanzas, Marta Arias, Albert Bifet
Time series data can be subject to changes in the underlying process that generates them and, because of these changes, models built on old samples can become obsolete or perform poorly.
no code implementations • 9 Nov 2020 • Christian Lezcano, Marta Arias
This paper presents a study of the characteristics of transactional databases used in frequent itemset mining.
no code implementations • 13 Jul 2020 • Christian Lezcano, Marta Arias
This paper proposes three different data generators, tailored to transactional datasets, based on existing itemset-based generative models.
no code implementations • 20 Sep 2017 • Giorgio Stampa, Marta Arias, David Sanchez-Charles, Victor Muntes-Mulero, Albert Cabellos
In this paper we design and evaluate a Deep-Reinforcement Learning agent that optimizes routing.
no code implementations • 18 Oct 2016 • Gilles Blondel, Marta Arias, Ricard Gavaldà
In this paper we propose a causal analog to the purely observational Dynamic Bayesian Networks, which we call Dynamic Causal Networks.
no code implementations • 31 Mar 2015 • Marta Arias, José L. Balcázar, Cristina Tîrnăucă
A definite Horn theory is a set of n-dimensional Boolean vectors whose characteristic function is expressible as a definite Horn formula, that is, as conjunction of definite Horn clauses.