Search Results for author: Marta Arias

Found 6 papers, 1 papers with code

Sketches for Time-Dependent Machine Learning

2 code implementations26 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.

BIG-bench Machine Learning Time Series +1

Characterizing Transactional Databases for Frequent Itemset Mining

no code implementations9 Nov 2020 Christian Lezcano, Marta Arias

This paper presents a study of the characteristics of transactional databases used in frequent itemset mining.

Benchmarking

Synthetic Dataset Generation with Itemset-Based Generative Models

no code implementations13 Jul 2020 Christian Lezcano, Marta Arias

This paper proposes three different data generators, tailored to transactional datasets, based on existing itemset-based generative models.

Identifiability and Transportability in Dynamic Causal Networks

no code implementations18 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.

Learning Definite Horn Formulas from Closure Queries

no code implementations31 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.

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