Search Results for author: Marcelo Arenas

Found 7 papers, 2 papers with code

A Symbolic Language for Interpreting Decision Trees

1 code implementation18 Oct 2023 Marcelo Arenas, Pablo Barcelo, Diego Bustamente, Jose Caraball, Bernardo Subercaseaux

The recent development of formal explainable AI has disputed the folklore claim that "decision trees are readily interpretable models", showing different interpretability queries that are computationally hard on decision trees, as well as proposing different methods to deal with them in practice.

On Computing Probabilistic Explanations for Decision Trees

no code implementations30 Jun 2022 Marcelo Arenas, Pablo Barceló, Miguel Romero, Bernardo Subercaseaux

Formal XAI (explainable AI) is a growing area that focuses on computing explanations with mathematical guarantees for the decisions made by ML models.

Explainable Artificial Intelligence (XAI)

Foundations of Symbolic Languages for Model Interpretability

1 code implementation NeurIPS 2021 Marcelo Arenas, Daniel Baez, Pablo Barceló, Jorge Pérez, Bernardo Subercaseaux

Several queries and scores have recently been proposed to explain individual predictions over ML models.

On the Complexity of SHAP-Score-Based Explanations: Tractability via Knowledge Compilation and Non-Approximability Results

no code implementations16 Apr 2021 Marcelo Arenas, Pablo Barceló, Leopoldo Bertossi, Mikaël Monet

While in general computing Shapley values is an intractable problem, we prove a strong positive result stating that the $\mathsf{SHAP}$-score can be computed in polynomial time over deterministic and decomposable Boolean circuits.

The Tractability of SHAP-Score-Based Explanations over Deterministic and Decomposable Boolean Circuits

no code implementations28 Jul 2020 Marcelo Arenas, Pablo Barceló Leopoldo Bertossi, Mikaël Monet

While in general computing Shapley values is a computationally intractable problem, it has recently been claimed that the SHAP-score can be computed in polynomial time over the class of decision trees.

Exchanging OWL 2 QL Knowledge Bases

no code implementations21 Apr 2013 Marcelo Arenas, Elena Botoeva, Diego Calvanese, Vladislav Ryzhikov

Knowledge base exchange is an important problem in the area of data exchange and knowledge representation, where one is interested in exchanging information between a source and a target knowledge base connected through a mapping.

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