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07/31/2023
Attribution-Scores in Data Management and Explainable Machine Learning
We describe recent research on the use of actual causality in the defini...
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06/15/2023
From Database Repairs to Causality in Databases and Beyond
We describe some recent approaches to score-based explanations for query...
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03/11/2023
Efficient Computation of Shap Explanation Scores for Neural Network Classifiers via Knowledge Compilation
The use of Shap scores has become widespread in Explainable AI. However,...
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03/06/2023
Attribution-Scores and Causal Counterfactuals as Explanations in Artificial Intelligence
In this expository article we highlight the relevance of explanations fo...
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09/25/2022
Answer-Set Programs for Repair Updates and Counterfactual Interventions
We briefly describe – mainly through very simple examples – different ki...
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08/25/2021
Reasoning about Counterfactuals and Explanations: Problems, Results and Directions
There are some recent approaches and results about the use of answer-set...
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08/19/2021
Second-Order Specifications and Quantifier Elimination for Consistent Query Answering in Databases
Consistent answers to a query from a possibly inconsistent database are ...
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08/02/2021
Extending Sticky-Datalog+/- via Finite-Position Selection Functions: Tractability, Algorithms, and Optimization
Weakly-Sticky(WS) Datalog+/- is an expressive member of the family of Da...
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07/21/2021
Answer-Set Programs for Reasoning about Counterfactual Interventions and Responsibility Scores for Classification
We describe how answer-set programs can be used to declaratively specify...
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06/19/2021
Score-Based Explanations in Data Management and Machine Learning: An Answer-Set Programming Approach to Counterfactual Analysis
We describe some recent approaches to score-based explanations for query...
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04/16/2021
On the Complexity of SHAP-Score-Based Explanations: Tractability via Knowledge Compilation and Non-Approximability Results
In Machine Learning, the 𝖲𝖧𝖠𝖯-score is a version of the Shapley value th...
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11/15/2020
Declarative Approaches to Counterfactual Explanations for Classification
We propose answer-set programs that specify and compute counterfactual i...
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07/24/2020
Score-Based Explanations in Data Management and Machine Learning
We describe some approaches to explanations for observed outcomes in dat...
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04/28/2020
An ASP-Based Approach to Counterfactual Explanations for Classification
We propose answer-set programs that specify and compute counterfactual i...
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03/15/2020
Causality-based Explanation of Classification Outcomes
We propose a simple definition of an explanation for the outcome of a cl...
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04/18/2019
The Shapley Value of Tuples in Query Answering
We investigate the application of the Shapley value to quantifying the c...
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09/27/2018
Repair-Based Degrees of Database Inconsistency: Computation and Complexity
We propose a generic numerical measure of the inconsistency of a databas...
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04/24/2018
Measuring and Computing Database Inconsistency via Repairs
We propose a generic numerical measure of inconsistency of a database wi...
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03/17/2018
Datalog: Bag Semantics via Set Semantics
Duplicates in data management are common and problematic. In this work, ...
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12/04/2017
Characterizing and Computing Causes for Query Answers in Databases from Database Repairs and Repair Programs
A correspondence between database tuples as causes for query answers in ...
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04/17/2017
The Causality/Repair Connection in Databases: Causality-Programs
In this work, answer-set programs that specify repairs of databases are ...
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04/01/2017
Ontological Multidimensional Data Models and Contextual Data Qality
Data quality assessment and data cleaning are context-dependent activiti...
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11/21/2016
Enforcing Relational Matching Dependencies with Datalog for Entity Resolution
Entity resolution (ER) is about identifying and merging records in a dat...
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11/06/2016
Causes for Query Answers from Databases: Datalog Abduction, View-Updates, and Integrity Constraints
Causality has been recently introduced in databases, to model, character...
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07/10/2016
Extending Weakly-Sticky Datalog+/-: Query-Answering Tractability and Optimizations
Weakly-sticky (WS) Datalog+/- is an expressive member of the family of D...
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06/06/2016
Consistency and Trust in Peer Data Exchange Systems
We propose and investigate a semantics for "peer data exchange systems" ...
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02/20/2016
Causes for Query Answers from Databases, Datalog Abduction and View-Updates: The Presence of Integrity Constraints
Causality has been recently introduced in databases, to model, character...
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02/07/2016
ERBlox: Combining Matching Dependencies with Machine Learning for Entity Resolution
Entity resolution (ER), an important and common data cleaning problem, i...
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06/13/2015
Query-Answer Causality in Databases: Abductive Diagnosis and View-Updates
Causality has been recently introduced in databases, to model, character...
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04/13/2015