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ORCIDLeo Bertossi
Leopoldo E. Bertossi
Person information
- affiliation: Carleton University, School of Computer Science, Ottawa, ON, Canada
- affiliation (former): Skema Business School Canada, Montreal, QC, Canada
- affiliation (former): Adolfo Ibáñez University (UAI), Santiago, Chile
- affiliation (former, PhD 1988): Pontifical Catholic University of Chile, School of Engineering, Santiago, Chile
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2020 – today
- 2025
[c94]Felipe Azúa, Leopoldo E. Bertossi:
The Causal-Effect Score in Data Management. CLeaR 2025: 874-893- [i60]Felipe Azúa, Leopoldo E. Bertossi:
The Causal-Effect Score in Data Management. CoRR abs/2502.02495 (2025) - [i59]Felipe Azúa, Leopoldo E. Bertossi:
Attribution Score Alignment in Explainable Data Management. CoRR abs/2503.14469 (2025) - [i58]Leopoldo E. Bertossi, Nina Pardal:
Sufficient Explanations in Databases and their Connections to Necessary Explanations and Repairs. CoRR abs/2511.15623 (2025) - 2024
- [c93]Santiago Cifuentes
, Leopoldo E. Bertossi, Nina Pardal, Sergio Abriola, Maria Vanina Martinez, Miguel Romero:
The Distributional Uncertainty of the SHAP Score in Explainable Machine Learning. ECAI 2024: 971-978 - [c92]Leopoldo E. Bertossi, Felipe Azúa:
The Generalized Causal-Effect Score in Data Management (short paper). GUIDE-AI@SIGMOD 2024: 32-35 - [i57]Leopoldo E. Bertossi, Benny Kimelfeld, Ester Livshits, Mikaël Monet:
The Shapley Value in Database Management. CoRR abs/2401.06234 (2024) - [i56]Santiago Cifuentes, Leopoldo E. Bertossi, Nina Pardal, Sergio Abriola, Maria Vanina Martinez, Miguel Romero:
The Distributional Uncertainty of the SHAP score in Explainable Machine Learning. CoRR abs/2401.12731 (2024) - 2023
- [j34]Leopoldo E. Bertossi, Mostafa Milani:
Extending sticky-Datalog± via finite-position selection functions: Tractability, algorithms, and optimization. Inf. Syst. 114: 102156 (2023) - [j33]Marcelo Arenas, Pablo Barceló, Leopoldo E. Bertossi, Mikaël Monet:
On the Complexity of SHAP-Score-Based Explanations: Tractability via Knowledge Compilation and Non-Approximability Results. J. Mach. Learn. Res. 24: 63:1-63:58 (2023) - [j32]Leopoldo E. Bertossi, Benny Kimelfeld, Ester Livshits, Mikaël Monet:
The Shapley Value in Database Management. SIGMOD Rec. 52(2): 6-17 (2023) - [j31]Leopoldo E. Bertossi:
From Database Repairs to Causality in Databases and Beyond. Trans. Large Scale Data Knowl. Centered Syst. 54: 119-131 (2023) - [j30]Leopoldo E. Bertossi:
Declarative Approaches to Counterfactual Explanations for Classification. Theory Pract. Log. Program. 23(3): 559-593 (2023) - [c91]Leopoldo E. Bertossi:
Attribution-Scores in Data Management and Explainable Machine Learning. ADBIS 2023: 16-33 - [c90]Leopoldo E. Bertossi, Jorge E. Leon:
Compiling Neural Network Classifiers into Boolean Circuits for Efficient Shap-Score Computation (short paper). AMW 2023 - [c89]Leopoldo E. Bertossi, Jorge E. Leon:
Efficient Computation of Shap Explanation Scores for Neural Network Classifiers via Knowledge Compilation. JELIA 2023: 49-64 - [e7]Leopoldo E. Bertossi, Guohui Xiao:
Reasoning Web. Causality, Explanations and Declarative Knowledge - 18th International Summer School 2022, Berlin, Germany, September 27-30, 2022, Tutorial Lectures. Lecture Notes in Computer Science 13759, Springer 2023, ISBN 978-3-031-31413-1 [contents] - [i55]Leopoldo E. Bertossi:
Attribution-Scores and Causal Counterfactuals as Explanations in Artificial Intelligence. CoRR abs/2303.02829 (2023) - [i54]Leopoldo E. Bertossi, Jorge E. Leon:
Opening Up the Neural Network Classifier for Shap Score Computation. CoRR abs/2303.06516 (2023) - [i53]Leopoldo E. Bertossi:
From Database Repairs to Causality in Databases and Beyond. CoRR abs/2306.09374 (2023) - [i52]Leopoldo E. Bertossi:
Attribution-Scores in Data Management and Explainable Machine Learning. CoRR abs/2308.00184 (2023) - 2022
- [c88]Leopoldo E. Bertossi:
Attribution-Scores and Causal Counterfactuals as Explanations in Artificial Intelligence. RW 2022: 1-23 - [i51]Leopoldo E. Bertossi:
Answer-Set Programs for Repair Updates and Counterfactual Interventions. CoRR abs/2209.12110 (2022) - 2021
- [j29]Leopoldo E. Bertossi:
Specifying and computing causes for query answers in databases via database repairs and repair-programs. Knowl. Inf. Syst. 63(1): 199-231 (2021) - [j28]Ester Livshits, Leopoldo E. Bertossi, Benny Kimelfeld, Moshe Sebag:
The Shapley Value of Tuples in Query Answering. Log. Methods Comput. Sci. 17(3) (2021) - [j27]Ester Livshits, Leopoldo E. Bertossi, Benny Kimelfeld, Moshe Sebag:
Query Games in Databases. SIGMOD Rec. 50(1): 78-85 (2021) - [c87]Marcelo Arenas, Pablo Barceló, Leopoldo E. Bertossi, Mikaël Monet:
The Tractability of SHAP-Score-Based Explanations for Classification over Deterministic and Decomposable Boolean Circuits. AAAI 2021: 6670-6678 - [c86]Leopoldo E. Bertossi, Gabriela Reyes:
Answer-Set Programs for Reasoning About Counterfactual Interventions and Responsibility Scores for Classification. ILP 2021: 41-56 - [c85]Leopoldo E. Bertossi:
Second-Order Specifications and Quantifier Elimination for Consistent Query Answering in Databases (Abstract). SOQE@KR 2021: 28-36 - [c84]Leopoldo E. Bertossi:
Score-Based Explanations in Data Management and Machine Learning: An Answer-Set Programming Approach to Counterfactual Analysis. RW 2021: 145-184 - [i50]Marcelo Arenas, Pablo Barceló, Leopoldo E. Bertossi, Mikaël Monet:
On the Complexity of SHAP-Score-Based Explanations: Tractability via Knowledge Compilation and Non-Approximability Results. CoRR abs/2104.08015 (2021) - [i49]Leopoldo E. Bertossi:
Score-Based Explanations in Data Management and Machine Learning: An Answer-Set Programming Approach to Counterfactual Analysis. CoRR abs/2106.10562 (2021) - [i48]Leopoldo E. Bertossi, Gabriela Reyes:
Answer-Set Programs for Reasoning about Counterfactual Interventions and Responsibility Scores for Classification. CoRR abs/2107.10159 (2021) - [i47]Leopoldo E. Bertossi, Mostafa Milani:
Extending Sticky-Datalog+/- via Finite-Position Selection Functions: Tractability, Algorithms, and Optimization. CoRR abs/2108.00903 (2021) - [i46]Leopoldo E. Bertossi:
Second-Order Specifications and Quantifier Elimination for Consistent Query Answering in Databases. CoRR abs/2108.08423 (2021) - [i45]Leopoldo E. Bertossi:
Reasoning about Counterfactuals and Explanations: Problems, Results and Directions. CoRR abs/2108.11004 (2021) - 2020
- [j26]Leopoldo E. Bertossi, Floris Geerts:
Data Quality and Explainable AI. ACM J. Data Inf. Qual. 12(2): 11:1-11:9 (2020) - [c83]Ester Livshits, Leopoldo E. Bertossi, Benny Kimelfeld, Moshe Sebag:
The Shapley Value of Tuples in Query Answering. ICDT 2020: 20:1-20:19 - [c82]Leopoldo E. Bertossi:
An ASP-Based Approach to Counterfactual Explanations for Classification. RuleML+RR 2020: 70-81 - [c81]Leopoldo E. Bertossi, Jordan Li, Maximilian Schleich, Dan Suciu, Zografoula Vagena:
Causality-based Explanation of Classification Outcomes. DEEM@SIGMOD 2020: 6:1-6:10 - [c80]Leopoldo E. Bertossi:
Score-Based Explanations in Data Management and Machine Learning. SUM 2020: 17-31 - [i44]Leopoldo E. Bertossi, Jordan Li, Maximilian Schleich, Dan Suciu, Zografoula Vagena:
Causality-based Explanation of Classification Outcomes. CoRR abs/2003.06868 (2020) - [i43]Leopoldo E. Bertossi:
An ASP-Based Approach to Counterfactual Explanations for Classification. CoRR abs/2004.13237 (2020) - [i42]Leopoldo E. Bertossi:
Score-Based Explanations in Data Management and Machine Learning. CoRR abs/2007.12799 (2020) - [i41]Marcelo Arenas, Pablo Barceló, Leopoldo E. Bertossi, Mikaël Monet:
The Tractability of SHAP-scores over Deterministic and Decomposable Boolean Circuits. CoRR abs/2007.14045 (2020) - [i40]Leopoldo E. Bertossi:
Declarative Approaches to Counterfactual Explanations for Classification. CoRR abs/2011.07423 (2020)
2010 – 2019
- 2019
- [c79]Leopoldo E. Bertossi, Georg Gottlob, Reinhard Pichler:
Datalog: Bag Semantics via Set Semantics. ICDT 2019: 16:1-16:19 - [c78]Leopoldo E. Bertossi:
Repair-Based Degrees of Database Inconsistency. LPNMR 2019: 195-209 - [c77]Leopoldo E. Bertossi:
Database Repairs and Consistent Query Answering: Origins and Further Developments. PODS 2019: 48-58 - [i39]Ester Livshits, Leopoldo E. Bertossi, Benny Kimelfeld, Moshe Sebag:
The Shapley Value of Tuples in Query Answering. CoRR abs/1904.08679 (2019) - 2018
- [j25]Leopoldo E. Bertossi, Mostafa Milani:
Ontological Multidimensional Data Models and Contextual Data Quality. ACM J. Data Inf. Qual. 9(3): 14:1-14:36 (2018) - [c76]Leopoldo E. Bertossi:
Causality in Databases: Answer-Set Programs and Integrity Constraints. AMW 2018 - [c75]Leopoldo E. Bertossi:
Characterizing and Computing Causes for Query Answers in Databases from Database Repairs and Repair Programs. FoIKS 2018: 55-76 - [c74]Leopoldo E. Bertossi:
Measuring and Computing Database Inconsistency via Repairs. SUM 2018: 368-372 - [r8]Leopoldo E. Bertossi:
Consistent Query Answering. Encyclopedia of Database Systems (2nd ed.) 2018 - [r7]Leopoldo E. Bertossi:
Database Repair. Encyclopedia of Database Systems (2nd ed.) 2018 - [r6]Leopoldo E. Bertossi:
Inconsistent Databases. Encyclopedia of Database Systems (2nd ed.) 2018 - [r5]Leopoldo E. Bertossi:
Null Values. Encyclopedia of Database Systems (2nd ed.) 2018 - [i38]Leopoldo E. Bertossi, Georg Gottlob, Reinhard Pichler:
Datalog: Bag Semantics via Set Semantics. CoRR abs/1803.06445 (2018) - [i37]Leopoldo E. Bertossi:
Measuring and Computing Database Inconsistency via Repairs. CoRR abs/1804.08834 (2018) - [i36]Leopoldo E. Bertossi:
Repair-Based Degrees of Database Inconsistency: Computation and Complexity. CoRR abs/1809.10286 (2018) - 2017
- [j24]Paul Fodor, Guido Governatori, José Júlio Alferes, Leopoldo E. Bertossi:
RuleML (Web Rule Symposium) 2016 Report. AI Mag. 38(1): 109-110 (2017) - [j23]Zeinab Bahmani, Leopoldo E. Bertossi, Nikolaos Vasiloglou:
ERBlox: Combining matching dependencies with machine learning for entity resolution. Int. J. Approx. Reason. 83: 118-141 (2017) - [j22]Leopoldo E. Bertossi, Babak Salimi:
Causes for query answers from databases: Datalog abduction, view-updates, and integrity constraints. Int. J. Approx. Reason. 90: 226-252 (2017) - [j21]Leopoldo E. Bertossi, Babak Salimi:
From Causes for Database Queries to Repairs and Model-Based Diagnosis and Back. Theory Comput. Syst. 61(1): 191-232 (2017) - [j20]Leopoldo E. Bertossi, Loreto Bravo:
Consistency and trust in peer data exchange systems. Theory Pract. Log. Program. 17(2): 148-204 (2017) - [c73]Leopoldo E. Bertossi, Mostafa Milani:
The Ontological Multidimensional Data Model. AMW 2017 - [c72]Leopoldo E. Bertossi, Mostafa Milani:
The Ontological Multidimensional Data Model in Quality Data Specification and Extraction - (Extended Abstract and Progress Report). BICOD 2017: 126-130 - [c71]Zeinab Bahmani, Leopoldo E. Bertossi:
Enforcing Relational Matching Dependencies with Datalog for Entity Resolution. FLAIRS 2017: 718-723 - [c70]Leopoldo E. Bertossi:
The Causality/Repair Connection in Databases: Causality-Programs. SUM 2017: 427-435 - [e6]Giovambattista Ianni, Domenico Lembo, Leopoldo E. Bertossi, Wolfgang Faber, Birte Glimm, Georg Gottlob, Steffen Staab:
Reasoning Web. Semantic Interoperability on the Web - 13th International Summer School 2017, London, UK, July 7-11, 2017, Tutorial Lectures. Lecture Notes in Computer Science 10370, Springer 2017, ISBN 978-3-319-61032-0 [contents] - [i35]Leopoldo E. Bertossi, Mostafa Milani:
The Ontological Multidimensional Data Model. CoRR abs/1703.03524 (2017) - [i34]Leopoldo E. Bertossi, Mostafa Milani:
Ontological Multidimensional Data Models and Contextual Data Qality. CoRR abs/1704.00115 (2017) - [i33]Leopoldo E. Bertossi:
The Causality/Repair Connection in Databases: Causality-Programs. CoRR abs/1704.05136 (2017) - [i32]Leopoldo E. Bertossi:
Characterizing and Computing Causes for Query Answers in Databases from Database Repairs and Repair Programs. CoRR abs/1712.01001 (2017) - 2016
- [c69]Leopoldo E. Bertossi, Andrea Calì, Mostafa Milani:
Query Answering on Expressive Datalog+/- Ontologies. AMW 2016 - [c68]Babak Salimi, Leopoldo E. Bertossi:
Causes for Query Answers from Databases, Datalog Abduction and View-Updates: The Presence of Integrity Constraints. FLAIRS 2016: 674-679 - [c67]Mostafa Milani, Leopoldo E. Bertossi:
Extending Weakly-Sticky Datalog±: Query-Answering Tractability and Optimizations. RR 2016: 128-143 - [c66]Mostafa Milani, Andrea Calì, Leopoldo E. Bertossi:
A Hybrid Approach to Query Answering Under Expressive Datalog ^\pm. RR 2016: 144-158 - [c65]Babak Salimi, Leopoldo E. Bertossi, Dan Suciu, Guy Van den Broeck:
Quantifying Causal Effects on Query Answering in Databases. TaPP 2016 - [e5]José Júlio Alferes, Leopoldo E. Bertossi, Guido Governatori, Paul Fodor, Dumitru Roman:
Rule Technologies. Research, Tools, and Applications - 10th International Symposium, RuleML 2016, Stony Brook, NY, USA, July 6-9, 2016. Proceedings. Lecture Notes in Computer Science 9718, Springer 2016, ISBN 978-3-319-42018-9 [contents] - [i31]Zeinab Bahmani, Leopoldo E. Bertossi, Nikolaos Vasiloglou:
ERBlox: Combining Matching Dependencies with Machine Learning for Entity Resolution. CoRR abs/1602.02334 (2016) - [i30]Babak Salimi, Leopoldo E. Bertossi:
Causes for Query Answers from Databases, Datalog Abduction and View-Updates: The Presence of Integrity Constraints. CoRR abs/1602.06458 (2016) - [i29]Babak Salimi, Leopoldo E. Bertossi, Dan Suciu, Guy Van den Broeck:
Quantifying Causal Effects on Query Answering in Databases. CoRR abs/1603.02705 (2016) - [i28]Mostafa Milani, Andrea Calì, Leopoldo E. Bertossi:
A Hybrid Approach to Query Answering under Expressive Datalog+/-. CoRR abs/1604.06770 (2016) - [i27]Andrei Lopatenko, Leopoldo E. Bertossi:
Complexity of Consistent Query Answering in Databases under Cardinality-Based and Incremental Repair Semantics (extended version). CoRR abs/1605.07159 (2016) - [i26]Leopoldo E. Bertossi, Loreto Bravo:
Consistency and Trust in Peer Data Exchange Systems. CoRR abs/1606.01930 (2016) - [i25]Mostafa Milani, Leopoldo E. Bertossi:
Extending Weakly-Sticky Datalog+/-: Query-Answering Tractability and Optimizations. CoRR abs/1607.02682 (2016) - [i24]Leopoldo E. Bertossi, Flavio Rizzolo:
Contexts and Data Quality Assessment. CoRR abs/1608.04142 (2016) - [i23]Leopoldo E. Bertossi, Babak Salimi:
Causes for Query Answers from Databases: Datalog Abduction, View-Updates, and Integrity Constraints. CoRR abs/1611.01711 (2016) - [i22]Zeinab Bahmani, Leopoldo E. Bertossi:
Enforcing Relational Matching Dependencies with Datalog for Entity Resolution. CoRR abs/1611.06951 (2016) - 2015
- [c64]Mostafa Milani, Leopoldo E. Bertossi:
Tractable Query Answering and Optimization for Extensions of Weakly-Sticky Datalog+-. AMW 2015 - [c63]Babak Salimi, Leopoldo E. Bertossi:
From Causes for Database Queries to Repairs and Model-Based Diagnosis and Back. ICDT 2015: 342-362 - [c62]Mostafa Milani, Leopoldo E. Bertossi:
Ontology-Based Multidimensional Contexts with Applications to Quality Data Specification and Extraction. RuleML 2015: 277-293 - [c61]Zeinab Bahmani, Leopoldo E. Bertossi, Nikolaos Vasiloglou:
ERBlox: Combining Matching Dependencies with Machine Learning for Entity Resolution. SUM 2015: 399-414 - [c60]Babak Salimi, Leopoldo E. Bertossi:
Query-Answer Causality in Databases: Abductive Diagnosis and View Updates. ACI@UAI 2015: 76-85 - [i21]Mostafa Milani, Leopoldo E. Bertossi:
Tractable Query Answering and Optimization for Extensions of Weakly-Sticky Datalog+-. CoRR abs/1504.03386 (2015) - [i20]Babak Salimi, Leopoldo E. Bertossi:
Query-Answer Causality in Databases: Abductive Diagnosis and View-Updates. CoRR abs/1506.04299 (2015) - [i19]Babak Salimi, Leopoldo E. Bertossi:
From Causes for Database Queries to Repairs and Model-Based Diagnosis and Back. CoRR abs/1507.00257 (2015) - [i18]Zeinab Bahmani, Leopoldo E. Bertossi, Nikolaos Vasiloglou:
ERBlox: Combining Matching Dependencies with Machine Learning for Entity Resolution. CoRR abs/1508.06013 (2015) - 2014
- [c59]Leopoldo E. Bertossi, Babak Salimi:
Causality in Databases, Database Repairs, and Consistency-Based Diagnosis (extended abstract). AMW 2014 - [c58]Mostafa Milani, Leopoldo E. Bertossi, Sina Ariyan:
Extending contexts with ontologies for multidimensional data quality assessment. ICDE Workshops 2014: 242-247 - [c57]Leopoldo E. Bertossi, Jaffer Gardezi:
Tractable vs. Intractable Cases of Query Answering under Matching Dependencies. SUM 2014: 51-65 - [i17]Babak Salimi, Leopoldo E. Bertossi:
Causality in Databases: The Diagnosis and Repair Connections. CoRR abs/1404.6857 (2014) - [i16]Leopoldo E. Bertossi, Babak Salimi:
Unifying Causality, Diagnosis, Repairs and View-Updates in Databases. CoRR abs/1405.4228 (2014) - [i15]Babak Salimi, Leopoldo E. Bertossi:
From Causes for Database Queries to Repairs and Model-Based Diagnosis and Back. CoRR abs/1412.4311 (2014) - 2013
- [j19]M. Andrea Rodríguez, Leopoldo E. Bertossi, Mónica Caniupán Marileo:
Consistent query answering under spatial semantic constraints. Inf. Syst. 38(2): 244-263 (2013) - [j18]Leopoldo E. Bertossi, Solmaz Kolahi, Laks V. S. Lakshmanan:
Data Cleaning and Query Answering with Matching Dependencies and Matching Functions. Theory Comput. Syst. 52(3): 441-482 (2013) - [j17]Leopoldo E. Bertossi, Lechen Li:
Achieving Data Privacy through Secrecy Views and Null-Based Virtual Updates. IEEE Trans. Knowl. Data Eng. 25(5): 987-1000 (2013) - [c56]Leopoldo E. Bertossi, Jaffer Gardezi:
On the Complexity of Query Answering under Matching Dependencies for Entity Resolution. AMW 2013 - [c55]Sina Ariyan, Leopoldo E. Bertossi:
A multidimensional data model with subcategories for flexibly capturing summarizability. SSDBM 2013: 6:1-6:12 - [p1]Leopoldo E. Bertossi, Loreto Bravo:
Generic and Declarative Approaches to Data Quality Management. Handbook of Data Quality 2013: 181-211 - [i14]Leopoldo E. Bertossi, Jaffer Gardezi:
On the Complexity of Query Answering under Matching Dependencies for Entity Resolution. CoRR abs/1304.7854 (2013) - [i13]Leopoldo E. Bertossi, Jaffer Gardezi:
Tractable vs. Intractable Cases of Matching Dependencies for Query Answering under Entity Resolution. CoRR abs/1309.1884 (2013) - [i12]Mostafa Milani, Leopoldo E. Bertossi, Sina Ariyan:
Extending Contexts with Ontologies for Multidimensional Data Quality Assessment. CoRR abs/1312.7373 (2013) - 2012
- [j16]Jaffer Gardezi, Leopoldo E. Bertossi, Iluju Kiringa:
Matching dependencies: semantics and query answering. Frontiers Comput. Sci. 6(3): 278-292 (2012) - [c54]Aida Malaki, Leopoldo E. Bertossi, Flavio Rizzolo:
Multidimensional Contexts for Data Quality Assessment. AMW 2012: 196-209 - [c53]Jaffer Gardezi, Leopoldo E. Bertossi:
Query Rewriting Using Datalog for Duplicate Resolution. Datalog 2012: 86-98 - [c52]Mahkameh Yaghmaie, Leopoldo E. Bertossi, Sina Ariyan:
Repair-oriented relational schemas for multidimensional databases. EDBT 2012: 408-419 - [c51]Zeinab Bahmani, Leopoldo E. Bertossi, Solmaz Kolahi, Laks V. S. Lakshmanan:
Declarative Entity Resolution via Matching Dependencies and Answer Set Programs. KR 2012 - [c50]Jaffer Gardezi, Leopoldo E. Bertossi:
Tractable Cases of Clean Query Answering under Entity Resolution via Matching Dependencies. SUM 2012: 180-193 - 2011
- [b1]Leopoldo E. Bertossi:
Database Repairing and Consistent Query Answering. Synthesis Lectures on Data Management, Morgan & Claypool Publishers 2011, ISBN 978-3-031-00755-2 - [c49]Sina Ariyan, Leopoldo E. Bertossi:
Structural Repairs of Multidimensional Databases. AMW 2011 - [c48]Leopoldo E. Bertossi, Solmaz Kolahi, Laks V. S. Lakshmanan:
Data cleaning and query answering with matching dependencies and matching functions. ICDT 2011: 268-279 - [c47]Jaffer Gardezi, Leopoldo E. Bertossi, Iluju Kiringa:
Matching dependencies with arbitrary attribute values: semantics, query answering and integrity constraints. LID 2011: 23-30 - [c46]Leopoldo E. Bertossi:
Tutorial: Semantic Constraints for Data Quality Assessment and Cleaning. SEBD 2011: 3 - [i11]Leopoldo E. Bertossi, Lechen Li:
Achieving Data Privacy through Secrecy Views and Null-Based Virtual Updates. CoRR abs/1105.1364 (2011) - [i10]M. Andrea Rodríguez, Leopoldo E. Bertossi, Mónica Caniupán Marileo:
Consistent Query Answering under Spatial Semantic Constraints. CoRR abs/1106.1478 (2011) - [i9]Jaffer Gardezi, Leopoldo E. Bertossi:
Query Answering under Matching Dependencies for Data Cleaning: Complexity and Algorithms. CoRR abs/1112.5908 (2011) - 2010
- [j15]Mónica Caniupán Marileo, Leopoldo E. Bertossi:
The consistency extractor system: Answer set programs for consistent query answering in databases. Data Knowl. Eng. 69(6): 545-572 (2010) - [c45]Marcelo Arenas, Leopoldo E. Bertossi:
On the Decidability of Consistent Query Answering. AMW 2010 - [c44]Leopoldo E. Bertossi, Flavio Rizzolo, Lei Jiang:
Data Quality Is Context Dependent. BIRTE 2010: 52-67 - [i8]Leopoldo E. Bertossi, Solmaz Kolahi, Laks V. S. Lakshmanan:
Data Cleaning and Query Answering with Matching Dependencies and Matching Functions. CoRR abs/1008.3743 (2010) - [i7]Jaffer Gardezi, Leopoldo E. Bertossi, Iluju Kiringa:
Matching Dependencies with Arbitrary Attribute Values: Semantics, Query Answering and Integrity Constraints. CoRR abs/1008.4627 (2010)
2000 – 2009
- 2009
- [c43]Leopoldo E. Bertossi:
From Database Repair Programs to Consistent Query Answering in Classical Logic (extended abstract). AMW 2009 - [c42]Leopoldo E. Bertossi, Loreto Bravo, Mónica Caniupán Marileo:
Consistent Query Answering in Data Warehouses. AMW 2009 - [c41]Leopoldo E. Bertossi, Gayathri Jayaraman:
Designing, Specifying and Querying Metadata for Virtual Data Integration Systems. Globe 2009: 72-84 - [e4]Marcelo Arenas, Leopoldo E. Bertossi:
Proceedings of the 3rd Alberto Mendelzon International Workshop on Foundations of Data Management, Arequipa, Peru, May 12-15, 2009. CEUR Workshop Proceedings 450, CEUR-WS.org 2009 [contents] - [r4]Leopoldo E. Bertossi:
Consistent Query Answering. Encyclopedia of Database Systems 2009: 452 - [r3]Leopoldo E. Bertossi:
Database Repair. Encyclopedia of Database Systems 2009: 722-723 - [r2]Leopoldo E. Bertossi:
Inconsistent Databases. Encyclopedia of Database Systems 2009: 1410-1414 - [r1]Leopoldo E. Bertossi:
Null Values. Encyclopedia of Database Systems 2009: 1924-1925 - 2008
- [j14]Leopoldo E. Bertossi, Loreto Bravo, Enrico Franconi, Andrei Lopatenko:
The complexity and approximation of fixing numerical attributes in databases under integrity constraints. Inf. Syst. 33(4-5): 407-434 (2008) - [c40]M. Andrea Rodríguez, Leopoldo E. Bertossi, Mónica Caniupán Marileo:
An inconsistency tolerant approach to querying spatial databases. GIS 2008: 36 - [c39]Leopoldo E. Bertossi, Loreto Bravo:
Information Sharing Agents in a Peer Data Exchange System. Globe 2008: 70-81 - 2007
- [c38]Andrei Lopatenko, Leopoldo E. Bertossi:
Complexity of Consistent Query Answering in Databases Under Cardinality-Based and Incremental Repair Semantics. ICDT 2007: 179-193 - [c37]François Gagnon, Babak Esfandiari, Leopoldo E. Bertossi:
A Hybrid Approach to Operating System Discovery using Answer Set Programming. Integrated Network Management 2007: 391-400 - [c36]Leopoldo E. Bertossi, Loreto Bravo:
The Semantics of Consistency and Trust in Peer Data Exchange Systems. LPAR 2007: 107-122 - [c35]Mónica Caniupán Marileo, Leopoldo E. Bertossi:
The Consistency Extractor System: Querying Inconsistent Databases Using Answer Set Programs. SUM 2007: 74-88 - 2006
- [j13]Leopoldo E. Bertossi:
Consistent query answering in databases. SIGMOD Rec. 35(2): 68-76 (2006) - [c34]Andrei Lopatenko, Leopoldo E. Bertossi:
Consistent Query Answering By Minimal-Size Repairs. DEXA Workshops 2006: 558-562 - [c33]Loreto Bravo, Leopoldo E. Bertossi:
Semantically Correct Query Answers in the Presence of Null Values. EDBT Workshops 2006: 336-357 - [e3]Gonzalo Navarro, Leopoldo E. Bertossi, Yoshiharu Kohayakawa:
Fourth IFIP International Conference on Theoretical Computer Science (TCS 2006), IFIP 19th World Computer Congress, TC-1 Foundations of Computer Science, August 23-24, 2006, Santiago, Chile. IFIP 209, Springer 2006, ISBN 0-387-34633-3 [contents] - [i6]Andrei Lopatenko, Leopoldo E. Bertossi:
Complexity of Consistent Query Answering in Databases under Cardinality-Based and Incremental Repair Semantics. CoRR abs/cs/0604002 (2006) - [i5]Loreto Bravo, Leopoldo E. Bertossi:
Semantically Correct Query Answers in the Presence of Null Values. CoRR abs/cs/0604076 (2006) - 2005
- [j12]Loreto Bravo, Leopoldo E. Bertossi:
Deductive databases for computing certain and consistent answers from mediated data integration systems. J. Appl. Log. 3(1): 329-367 (2005) - [j11]Leopoldo E. Bertossi, Jan Chomicki, Parke Godfrey, Phokion G. Kolaitis, Alex Thomo, Calisto Zuzarte:
Exchange, integration, and consistency of data: report on the ARISE/NISR workshop. SIGMOD Rec. 34(3): 87-90 (2005) - [c32]Leopoldo E. Bertossi, Anthony Hunter, Torsten Schaub:
Introduction to Inconsistency Tolerance. Inconsistency Tolerance 2005: 1-14 - [c31]Leopoldo E. Bertossi, Loreto Bravo:
Consistent Query Answers in Virtual Data Integration Systems. Inconsistency Tolerance 2005: 42-83 - [c30]Leopoldo E. Bertossi, Loreto Bravo, Enrico Franconi, Andrei Lopatenko:
Complexity and Approximation of Fixing Numerical Attributes in Databases Under Integrity Constraints. DBPL 2005: 262-278 - [c29]Leopoldo E. Bertossi, Loreto Bravo, Enrico Franconi, Andrei Lopatenko:
Fixing Inconsistent Databases by Updating Numerical Attributes. DEXA Workshops 2005: 854-858 - [c28]Mónica Caniupán Marileo, Leopoldo E. Bertossi:
Optimizing repair programs for consistent query answering. SCCC 2005: 3-12 - [c27]Leopoldo E. Bertossi, Loreto Bravo, Enrico Franconi, Andrei Lopatenko:
Data Cleansing for Numerical Data Sets. SEBD 2005: 292-299 - [e2]Leopoldo E. Bertossi, Anthony Hunter, Torsten Schaub:
Inconsistency Tolerance [result from a Dagstuhl seminar]. Lecture Notes in Computer Science 3300, Springer 2005, ISBN 3-540-24260-0 [contents] - [i4]Leopoldo E. Bertossi, Loreto Bravo, Enrico Franconi, Andrei Lopatenko:
Complexity and Approximation of Fixing Numerical Attributes in Databases Under Integrity Constraints. CoRR abs/cs/0503032 (2005) - 2004
- [j10]Leopoldo E. Bertossi, Camilla Schwind:
Database Repairs and Analytic Tableaux. Ann. Math. Artif. Intell. 40(1-2): 5-35 (2004) - [c26]Loreto Bravo, Leopoldo E. Bertossi:
Consistent query answering under inclusion dependencies. CASCON 2004: 202-216 - [c25]Leopoldo E. Bertossi, Loreto Bravo:
Query Answering in Peer-to-Peer Data Exchange Systems. EDBT Workshops 2004: 476-485 - [i3]Leopoldo E. Bertossi, Loreto Bravo:
Query Answering in Peer-to-Peer Data Exchange Systems. CoRR cs.DB/0401015 (2004) - 2003
- [j9]Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki, Xin He, Vijay Raghavan, Jeremy P. Spinrad:
Scalar aggregation in inconsistent databases. Theor. Comput. Sci. 296(3): 405-434 (2003) - [j8]Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki:
Answer sets for consistent query answering in inconsistent databases. Theory Pract. Log. Program. 3(4-5): 393-424 (2003) - [c24]Leopoldo E. Bertossi, Jan Chomicki:
Query Answering in Inconsistent Databases. Logics for Emerging Applications of Databases 2003: 43-83 - [c23]Loreto Bravo, Leopoldo E. Bertossi:
Logic Programs for Consistently Querying Data Integration Systems. IJCAI 2003: 10-15 - [c22]Pablo Barceló, Leopoldo E. Bertossi:
Logic Programs for Querying Inconsistent Databases. PADL 2003: 208-222 - [e1]Leopoldo E. Bertossi, Gyula O. H. Katona, Klaus-Dieter Schewe, Bernhard Thalheim:
Semantics in Databases, Second International Workshop, Dagstuhl Castle, Germany, January 7-12, 2001, Revised Papers. Lecture Notes in Computer Science 2582, Springer 2003, ISBN 3-540-00957-4 [contents] - 2002
- [j7]Marcelo Arenas, Leopoldo E. Bertossi:
Hypothetical Temporal Reasoning in Databases. J. Intell. Inf. Syst. 19(2): 231-259 (2002) - [c21]Leopoldo E. Bertossi, Camilla Schwind:
Analytic Tableaux and Database Repairs: Foundations. FoIKS 2002: 32-48 - [c20]Leopoldo E. Bertossi, Jan Chomicki, Alvaro Cortés-Calabuig, Claudio Gutierrez:
Consistent Answers from Integrated Data Sources. FQAS 2002: 71-85 - [c19]Pablo Barceló, Leopoldo E. Bertossi:
Repairing databases with annotated predicate logic. NMR 2002: 160-170 - [i2]Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki:
Answer Sets for Consistent Query Answering in Inconsistent Databases. CoRR cs.DB/0207094 (2002) - [i1]Leopoldo E. Bertossi, Camilla Schwind:
Database Repairs and Analytic Tableaux. CoRR cs.DB/0211042 (2002) - 2001
- [c18]Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki:
Scalar Aggregation in FD-Inconsistent Databases. ICDT 2001: 39-53 - [c17]Leopoldo E. Bertossi, Gyula O. H. Katona, Klaus-Dieter Schewe, Bernhard Thalheim:
Semantics in Databases. Semantics in Databases 2001: 1-6 - [c16]Pablo Barceló, Leopoldo E. Bertossi, Loreto Bravo:
Characterizing and Computing Semantically Correct Answers from Databases with Annotated Logic and Answer Sets. Semantics in Databases 2001: 7-33 - 2000
- [j6]John F. Roddick, Lina Al-Jadir, Leopoldo E. Bertossi, Marlon Dumas, Florida Estrella, Heidi Gregersen, Kathleen Hornsby, Jens Lufter, Federica Mandreoli, Tomi Männistö, Enric Mayol, Lex Wedemeijer:
Evolution and Change in Data Management - Issues and Directions. SIGMOD Rec. 29(1): 21-25 (2000) - [c15]Marcelo Arenas, Leopoldo E. Bertossi, Michael Kifer:
Applications of Annotated Predicate Calculus to Querying Inconsistent Databases. Computational Logic 2000: 926-941 - [c14]Alexander Celle, Leopoldo E. Bertossi:
Querying Inconsistent Databases: Algorithms and Implementation. Computational Logic 2000: 942-956 - [c13]Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki:
Specifying and Querying Database Repairs using Logic Programs with Exceptions. FQAS 2000: 27-41
1990 – 1999
- 1999
- [c12]Carlos A. Mareco, Leopoldo E. Bertossi:
Specification and Implementation of Temporal Databases in a Bitemporal Event Calculus. ER (Workshops) 1999: 74-85 - [c11]Leopoldo E. Bertossi, Javier Pinto:
Specifying Active Rules for Database Maintenance. FMLDO 1999: 65-81 - [c10]Leopoldo E. Bertossi, Javier Pinto:
Specifying Active Rules for Database Maintenance. FMLDO - Selected Papers 1999: 112-129 - [c9]Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki:
Consistent Query Answers in Inconsistent Databases. PODS 1999: 68-79 - 1998
- [j5]Leopoldo E. Bertossi, Marcelo Arenas, Cristian Ferretti:
SCDBR: An Automated Reasoner for Specifications of Database Updates. J. Intell. Inf. Syst. 10(3): 253-280 (1998) - [c8]Marcelo Arenas, Leopoldo E. Bertossi:
The Dynamics of Database Views. Transactions and Change in Logic Databases 1998: 197-226 - [c7]Marcelo Arenas, Leopoldo E. Bertossi:
Hypothetical Temporal Queries in Databases. KRDB 1998: 4.1-4.8 - [c6]Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki:
Query Evaluation in Almost Consistent Databases using Residues. SCCC 1998: 8-14 - [c5]Leopoldo E. Bertossi, Javier Pinto, Ricardo Valdivia:
Specifying Active Databases in the Situation Calculus. SCCC 1998: 32-39 - 1996
- [j4]David A. Fuller, Sacha A. Bocic, Leopoldo E. Bertossi:
Towards Efficient Partial Evaluation in Logic Programming. New Gener. Comput. 14(2): 237-259 (1996) - [c4]Leopoldo E. Bertossi, Javier Pinto, Pablo Sáez, Deepak Kapur, Mahadevan Subramaniam:
Automating Proofs of Integrity Constraints in Situation Calculus. ISMIS 1996: 212-222 - 1995
- [c3]Tania Bedrax-Weiss, Leopoldo E. Bertossi:
Underlying Semantics for the Assessment of Reiter's Solution to the Frame Problem. SBIA 1995: 59-68 - 1994
- [j3]Leopoldo E. Bertossi, Raymond Reiter:
Circumscription and Generic Mathematical Objects. Fundam. Informaticae 21(1/2): 113-123 (1994) - [j2]Leopoldo E. Bertossi:
Circumscription in Data Logic for Data Type Specification. J. Log. Comput. 4(1): 89-96 (1994) - [c2]Leopoldo E. Bertossi, Cristian Ferretti:
SCDBR: A Reasoner for Specifications in the Situation Calculus of Database Updates. ICTL 1994: 543-545 - [c1]Leopoldo E. Bertossi, Raymond Reiter:
On the Concept of Generic Object: A Nonmonotonic Reasoning Approach and Examples. JELIA 1994: 347-363 - 1990
- [j1]Leopoldo E. Bertossi:
The formal language Lt and topological products. Math. Log. Q. 36(2): 89-94 (1990)
Coauthor Index
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