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ORCIDJef Wijsen
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- affiliation: Université de Mons, Belgium
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2020 – today
- 2024
[j25]Paraschos Koutris
, Xiating Ouyang, Jef Wijsen:
Consistent Query Answering for Primary Keys on Rooted Tree Queries. Proc. ACM Manag. Data 2(2): 76 (2024)- [i12]Aziz Amezian El Khalfioui, Jef Wijsen:
Computing Range Consistent Answers to Aggregation Queries via Rewriting. CoRR abs/2409.01648 (2024) - 2023
- [j24]Zhiwei Fan, Paraschos Koutris, Xiating Ouyang, Jef Wijsen:
LinCQA: Faster Consistent Query Answering with Linear Time Guarantees. Proc. ACM Manag. Data 1(1): 38:1-38:25 (2023) - [c45]Aziz Amezian El Khalfioui, Jef Wijsen:
Consistent Query Answering for Primary Keys and Conjunctive Queries with Counting. ICDT 2023: 23:1-23:19 - [i11]Paraschos Koutris, Xiating Ouyang, Jef Wijsen:
Consistent Query Answering for Primary Keys on Path Queries. CoRR abs/2309.15270 (2023) - [i10]Paraschos Koutris, Xiating Ouyang, Jef Wijsen:
Consistent Query Answering for Primary Keys on Rooted Tree Queries. CoRR abs/2310.19642 (2023) - 2022
- [c44]Chloé Capon, Nicolas Lecomte, Jef Wijsen:
Computing H-Partitions in ASP and Datalog. ICLP Workshops 2022 - [c43]Miika Hannula, Jef Wijsen:
A Dichotomy in Consistent Query Answering for Primary Keys and Unary Foreign Keys. PODS 2022: 437-449 - [i9]Chloé Capon, Nicolas Lecomte, Jef Wijsen:
Computing H-Partitions in ASP and Datalog. CoRR abs/2202.03730 (2022) - [i8]Miika Hannula, Jef Wijsen:
A Dichotomy in Consistent Query Answering for Primary Keys and Unary Foreign Keys. CoRR abs/2203.13475 (2022) - [i7]Zhiwei Fan, Paraschos Koutris, Xiating Ouyang, Jef Wijsen:
LinCQA: Faster Consistent Query Answering with Linear Time Guarantees. CoRR abs/2208.12339 (2022) - [i6]Aziz Amezian El Khalfioui, Jef Wijsen:
Consistent Query Answering for Primary Keys and Conjunctive Queries with Counting. CoRR abs/2211.04134 (2022) - 2021
- [j23]Ester Livshits, Benny Kimelfeld, Jef Wijsen:
Counting subset repairs with functional dependencies. J. Comput. Syst. Sci. 117: 154-164 (2021) - [j22]Paraschos Koutris, Jef Wijsen:
Consistent Query Answering for Primary Keys in Datalog. Theory Comput. Syst. 65(1): 122-178 (2021) - [c42]Horacio Tellez Perez, Jef Wijsen:
Generalized Weighted Repairs. FQAS 2021: 67-81 - [c41]Paraschos Koutris, Xiating Ouyang, Jef Wijsen:
Consistent Query Answering for Primary Keys on Path Queries. PODS 2021: 215-232 - 2020
- [c40]Aziz Amezian El Khalfioui, Jonathan Joertz, Dorian Labeeuw, Gaëtan Staquet, Jef Wijsen:
Optimization of Answer Set Programs for Consistent Query Answering by Means of First-Order Rewriting. CIKM 2020: 25-34 - [c39]Horacio Tellez Perez, Jef Wijsen:
Logic-Based Ranking of Assertions in Inconsistent ABoxes. Description Logics 2020 - [c38]Paraschos Koutris, Jef Wijsen:
First-Order Rewritability in Consistent Query Answering with Respect to Multiple Keys. PODS 2020: 113-129
2010 – 2019
- 2019
- [j21]Marc Gyssens, Jelle Hellings, Jan Paredaens, Dirk Van Gucht, Jef Wijsen, Yuqing Wu:
Calculi for symmetric queries. J. Comput. Syst. Sci. 105: 54-86 (2019) - [j20]Jef Wijsen:
Foundations of Query Answering on Inconsistent Databases. SIGMOD Rec. 48(3): 6-16 (2019) - [j19]Sven Schewe, Thomas Schneider, Jef Wijsen:
Special issue on Temporal Representation and Reasoning (TIME 2017). Theor. Comput. Sci. 797: 1 (2019) - [c37]Horacio Tellez Perez, Jef Wijsen:
Connecting Databases and Ontologies: A Data Quality Perspective. Description Logics 2019 - [c36]Paraschos Koutris, Jef Wijsen:
Consistent Query Answering for Primary Keys in Logspace. ICDT 2019: 23:1-23:19 - [i5]Jef Wijsen:
Corrigendum to "Counting Database Repairs that Satisfy Conjunctive Queries with Self-Joins". CoRR abs/1903.12469 (2019) - 2018
- [c35]Paraschos Koutris, Jef Wijsen:
Consistent Query Answering for Primary Keys and Conjunctive Queries with Negated Atoms. PODS 2018: 209-224 - [r4]Jef Wijsen:
Temporal Dependencies. Encyclopedia of Database Systems (2nd ed.) 2018 - [r3]Jef Wijsen:
Temporal Integrity Constraints. Encyclopedia of Database Systems (2nd ed.) 2018 - [i4]Paraschos Koutris, Jef Wijsen:
Consistent Query Answering for Primary Keys in Logspace. CoRR abs/1810.03386 (2018) - 2017
- [j18]Floris Geerts, Fabian Pijcke, Jef Wijsen:
First-order under-approximations of consistent query answers. Int. J. Approx. Reason. 83: 337-355 (2017) - [j17]Paraschos Koutris, Jef Wijsen:
Consistent Query Answering for Self-Join-Free Conjunctive Queries Under Primary Key Constraints. ACM Trans. Database Syst. 42(2): 9:1-9:45 (2017) - [e4]Sven Schewe, Thomas Schneider, Jef Wijsen:
24th International Symposium on Temporal Representation and Reasoning, TIME 2017, October 16-18, 2017, Mons, Belgium. LIPIcs 90, Schloss Dagstuhl - Leibniz-Zentrum für Informatik 2017, ISBN 978-3-95977-052-1 [contents] - 2016
- [j16]Paraschos Koutris, Jef Wijsen:
Consistent Query Answering for Primary Keys. SIGMOD Rec. 45(1): 15-22 (2016) - [c34]Jan Chomicki, Jef Wijsen:
Consistent Query Answering for Atemporal Constraints over Temporal Databases. TIME 2016: 149-156 - 2015
- [c33]Paraschos Koutris, Jef Wijsen:
The Data Complexity of Consistent Query Answering for Self-Join-Free Conjunctive Queries Under Primary Key Constraints. PODS 2015: 17-29 - [c32]Floris Geerts, Fabian Pijcke, Jef Wijsen:
First-Order Under-Approximations of Consistent Query Answers. SUM 2015: 354-367 - [i3]Paraschos Koutris, Jef Wijsen:
A Trichotomy in the Data Complexity of Certain Query Answering for Conjunctive Queries. CoRR abs/1501.07864 (2015) - 2014
- [j15]Sergio Greco, Fabian Pijcke, Jef Wijsen:
Certain Query Answering in Partially Consistent Databases. Proc. VLDB Endow. 7(5): 353-364 (2014) - [c31]Jef Wijsen:
A Survey of the Data Complexity of Consistent Query Answering under Key Constraints. FoIKS 2014: 62-78 - [c30]Dany Maslowski, Jef Wijsen:
Counting Database Repairs that Satisfy Conjunctive Queries with Self-Joins. ICDT 2014: 155-164 - 2013
- [j14]Dany Maslowski, Jef Wijsen:
A dichotomy in the complexity of counting database repairs. J. Comput. Syst. Sci. 79(6): 958-983 (2013) - [j13]Marc Gyssens, Jan Paredaens, Dirk Van Gucht, Jef Wijsen, Yuqing Wu:
An Approach towards the Study of Symmetric Queries. Proc. VLDB Endow. 7(1): 25-36 (2013) - [c29]Jef Wijsen:
Charting the tractability frontier of certain conjunctive query answering. PODS 2013: 189-200 - [e3]Weiru Liu, V. S. Subrahmanian, Jef Wijsen:
Scalable Uncertainty Management - 7th International Conference, SUM 2013, Washington, DC, USA, September 16-18, 2013. Proceedings. Lecture Notes in Computer Science 8078, Springer 2013, ISBN 978-3-642-40380-4 [contents] - [i2]Jef Wijsen:
Charting the Tractability Frontier of Certain Conjunctive Query Answering. CoRR abs/1301.1003 (2013) - 2012
- [j12]Véronique Bruyère, Olivier Carton, Alexandre Decan, Olivier Gauwin, Jef Wijsen:
An aperiodicity problem for multiwords. RAIRO Theor. Informatics Appl. 46(1): 33-50 (2012) - [j11]Jef Wijsen:
Certain conjunctive query answering in first-order logic. ACM Trans. Database Syst. 37(2): 9:1-9:35 (2012) - [j10]Wenfei Fan, Floris Geerts, Jef Wijsen:
Determining the Currency of Data. ACM Trans. Database Syst. 37(4): 25:1-25:46 (2012) - [c28]Alexandre Decan, Fabian Pijcke, Jef Wijsen:
Certain Conjunctive Query Answering in SQL. SUM 2012: 154-167 - 2011
- [c27]Dany Maslowski, Jef Wijsen:
Uncertainty That Counts. FQAS 2011: 25-36 - [c26]Dany Maslowski, Jef Wijsen:
On counting database repairs. LID 2011: 15-22 - [c25]Marie Agier, Christine Froidevaux, Jean-Marc Petit, Yoan Renaud, Jef Wijsen:
On Armstrong-compliant logical query languages. LID 2011: 33-40 - [c24]Wenfei Fan, Floris Geerts, Jef Wijsen:
Determining the currency of data. PODS 2011: 71-82 - [c23]Jef Wijsen:
Towards a Foundation of Data Currency. TIME 2011: 10-11 - 2010
- [j9]Jef Wijsen:
A remark on the complexity of consistent conjunctive query answering under primary key violations. Inf. Process. Lett. 110(21): 950-955 (2010) - [c22]Jef Wijsen:
On the first-order expressibility of computing certain answers to conjunctive queries over uncertain databases. PODS 2010: 179-190 - [e2]Nicolas Markey, Jef Wijsen:
TIME 2010 - 17th International Symposium on Temporal Representation and Reasoning, Paris, France, 6-8 September 2010. IEEE Computer Society 2010, ISBN 978-0-7695-4187-7 [contents]
2000 – 2009
- 2009
- [j8]Jef Wijsen:
On the consistent rewriting of conjunctive queries under primary key constraints. Inf. Syst. 34(7): 578-601 (2009) - [c21]Jef Wijsen:
Consistent query answering under primary keys: a characterization of tractable queries. ICDT 2009: 42-52 - [c20]Véronique Bruyère, Alexandre Decan, Jef Wijsen:
On First-Order Query Rewriting for Incomplete Database Histories. TIME 2009: 54-61 - [r2]Jef Wijsen:
Temporal Dependencies. Encyclopedia of Database Systems 2009: 2960-2966 - [r1]Jef Wijsen:
Temporal Integrity Constraints. Encyclopedia of Database Systems 2009: 2976-2982 - 2008
- [i1]Myra Spiliopoulou, Maurice van Keulen, Hans-Joachim Lenz, Jef Wijsen, Matthias Renz, Rudolf Kruse, Mirco Stern:
08421 Working Group: Imprecision, Diversity and Uncertainty: Disentangling Threads in Uncertainty Management. Uncertainty Management in Information Systems 2008 - 2007
- [c19]Jef Wijsen:
On the Consistent Rewriting of Conjunctive Queries Under Primary Key Constraints. DBPL 2007: 112-126 - [c18]Jef Wijsen:
Consistent Joins Under Primary Key Constraints. MUD 2007: 63-75 - 2006
- [c17]Jef Wijsen:
Project-Join-Repair: An Approach to Consistent Query Answering Under Functional Dependencies. BDA 2006 - [c16]Jef Wijsen:
Project-Join-Repair: An Approach to Consistent Query Answering Under Functional Dependencies. FQAS 2006: 1-12 - [e1]Torsten Grust, Hagen Höpfner, Arantza Illarramendi, Stefan Jablonski, Marco Mesiti, Sascha Müller, Paula-Lavinia Patranjan, Kai-Uwe Sattler, Myra Spiliopoulou, Jef Wijsen:
Current Trends in Database Technology - EDBT 2006, EDBT 2006 Workshops PhD, DataX, IIDB, IIHA, ICSNW, QLQP, PIM, PaRMA, and Reactivity on the Web, Munich, Germany, March 26-31, 2006, Revised Selected Papers. Lecture Notes in Computer Science 4254, Springer 2006, ISBN 3-540-46788-2 [contents] - 2005
- [j7]Jef Wijsen:
Database repairing using updates. ACM Trans. Database Syst. 30(3): 722-768 (2005) - [c15]Jef Wijsen:
On Condensing Database Repairs Obtained by Tuple Deletions. DEXA Workshops 2005: 849-853 - 2004
- [c14]Jef Wijsen:
Making More Out of an Inconsistent Database. ADBIS 2004: 291-305 - 2003
- [j6]Jef Wijsen, Alexis Bès:
On query optimization in a temporal SPC algebra. Data Knowl. Eng. 44(2): 165-192 (2003) - [c13]Fosca Giannotti, Giuseppe Manco, Jef Wijsen:
Logical Languages for Data Mining. Logics for Emerging Applications of Databases 2003: 325-361 - [c12]Jef Wijsen:
Condensed Representation of Database Repairs for Consistent Query Answering. ICDT 2003: 375-390 - 2002
- [j5]Toon Calders, Raymond T. Ng, Jef Wijsen:
Searching for dependencies at multiple abstraction levels. ACM Trans. Database Syst. 27(3): 229-260 (2002) - 2001
- [j4]Jef Wijsen:
Trends in Databases: Reasoning and Mining. IEEE Trans. Knowl. Data Eng. 13(3): 426-438 (2001) - [c11]Toon Calders, Jef Wijsen:
On Monotone Data Mining Languages. DBPL 2001: 119-132 - [c10]Renaud Bassée, Jef Wijsen:
Neighborhood Dependencies for Prediction. PAKDD 2001: 562-567 - [c9]Jef Wijsen, Alexis Bès:
Temporal Tableau Queries. TIME 2001: 136-143
1990 – 1999
- 1999
- [j3]Jef Wijsen:
Temporal FDs on Complex Objects. ACM Trans. Database Syst. 24(1): 127-176 (1999) - [c8]Jef Wijsen, Raymond T. Ng, Toon Calders:
Discovering Roll-Up Dependencies. KDD 1999: 213-222 - [c7]Jef Wijsen, Raymond T. Ng:
Temporal Dependencies Generalized for Spatial and Other Dimensions. Spatio-Temporal Database Management 1999: 189-203 - 1998
- [j2]Jef Wijsen, Robert Meersman:
On the Complexity of Mining Quantitative Association Rules. Data Min. Knowl. Discov. 2(3): 263-281 (1998) - [j1]Jef Wijsen:
Reasoning about Qualitative Trends in Databases. Inf. Syst. 23(7): 463-487 (1998) - [c6]Stijn Dekeyser, Bart Kuijpers, Jan Paredaens, Jef Wijsen:
Nested Data Cubes for OLAP (Extended Abstract). ER Workshops 1998: 129-140 - 1997
- [c5]Jef Wijsen, Robert Meersman:
On the Complexity of Mining Temporal Trends. DMKD 1997 - 1995
- [c4]Jef Wijsen:
Design of Temporal Relational Databases Based on Dynamic and Temporal Functional Dependencies. Temporal Databases 1995: 61-76 - 1994
- [c3]Jef Wijsen, Jacques Vandenbulcke, Henke Olivie:
Temporal Dependencies in Relational Database Design. BDA 1994 - 1993
- [c2]Jef Wijsen:
A Theory of Keys for Temporal Databases. BDA 1993: 35-54 - [c1]Jef Wijsen, Jacques Vandenbulcke, Henke Olivie:
Functional Dependencies Generalized for Temporal Databases that Include Object-Identity. ER 1993: 99-109
Coauthor Index
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