default search action
Google
Google Scholar
Semantic Scholar
Internet Archive Scholar
CiteSeerX
ORCIDJef Wijsen
Person information
- affiliation: Université de Mons, Belgium
Refine list
refinements active!
zoomed in on ?? of ?? records
view refined list in
export refined list as
Journal Articles
- 2024
[j26]Paraschos Koutris
, Xiating Ouyang, Jef Wijsen:
Consistent Query Answering for Primary Keys on Rooted Tree Queries. Proc. ACM Manag. Data 2(2): 76 (2024)- [j25]Aziz Amezian El Khalfioui, Jef Wijsen:
Computing Range Consistent Answers to Aggregation Queries via Rewriting. Proc. ACM Manag. Data 2(5): 218:1-218:19 (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) - 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) - 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) - 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) - 2016
- [j16]Paraschos Koutris, Jef Wijsen:
Consistent Query Answering for Primary Keys. SIGMOD Rec. 45(1): 15-22 (2016) - 2014
- [j15]Sergio Greco, Fabian Pijcke, Jef Wijsen:
Certain Query Answering in Partially Consistent Databases. Proc. VLDB Endow. 7(5): 353-364 (2014) - 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) - 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) - 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) - 2009
- [j8]Jef Wijsen:
On the consistent rewriting of conjunctive queries under primary key constraints. Inf. Syst. 34(7): 578-601 (2009) - 2005
- [j7]Jef Wijsen:
Database repairing using updates. ACM Trans. Database Syst. 30(3): 722-768 (2005) - 2003
- [j6]Jef Wijsen, Alexis Bès:
On query optimization in a temporal SPC algebra. Data Knowl. Eng. 44(2): 165-192 (2003) - 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) - 1999
- [j3]Jef Wijsen:
Temporal FDs on Complex Objects. ACM Trans. Database Syst. 24(1): 127-176 (1999) - 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)
Conference and Workshop Papers
- 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 - 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 - 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 - 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 - 2018
- [c35]Paraschos Koutris, Jef Wijsen:
Consistent Query Answering for Primary Keys and Conjunctive Queries with Negated Atoms. PODS 2018: 209-224 - 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 - 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
- [c29]Jef Wijsen:
Charting the tractability frontier of certain conjunctive query answering. PODS 2013: 189-200 - 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
- [c22]Jef Wijsen:
On the first-order expressibility of computing certain answers to conjunctive queries over uncertain databases. PODS 2010: 179-190 - 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 - 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 - 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
- [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 - 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 - 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
- [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
Editorship
- 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] - 2013
- [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] - 2010
- [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] - 2006
- [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]
Reference Works
- 2018
- [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 - 2009
- [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
Informal and Other Publications
- 2024
- [i12]Aziz Amezian El Khalfioui, Jef Wijsen:
Computing Range Consistent Answers to Aggregation Queries via Rewriting. CoRR abs/2409.01648 (2024) - 2023
- [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
- [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) - 2019
- [i5]Jef Wijsen:
Corrigendum to "Counting Database Repairs that Satisfy Conjunctive Queries with Self-Joins". CoRR abs/1903.12469 (2019) - 2018
- [i4]Paraschos Koutris, Jef Wijsen:
Consistent Query Answering for Primary Keys in Logspace. CoRR abs/1810.03386 (2018) - 2015
- [i3]Paraschos Koutris, Jef Wijsen:
A Trichotomy in the Data Complexity of Certain Query Answering for Conjunctive Queries. CoRR abs/1501.07864 (2015) - 2013
- [i2]Jef Wijsen:
Charting the Tractability Frontier of Certain Conjunctive Query Answering. CoRR abs/1301.1003 (2013) - 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
Coauthor Index
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.
Unpaywalled article links
Add open access links from 
to the list of external document links (if available).
Privacy notice: By enabling the option above, your browser will contact the API of unpaywall.org to load hyperlinks to open access articles. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Unpaywall privacy policy.
Archived links via Wayback Machine
For web page which are no longer available, try to retrieve content from the 
of the Internet Archive (if available).
Privacy notice: By enabling the option above, your browser will contact the API of archive.org to check for archived content of web pages that are no longer available. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Internet Archive privacy policy.
Reference lists
Add a list of references from 
, 
, and 
to record detail pages.
load references from crossref.org and opencitations.net
Privacy notice: By enabling the option above, your browser will contact the APIs of crossref.org, opencitations.net, and semanticscholar.org to load article reference information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the Crossref privacy policy and the OpenCitations privacy policy, as well as the AI2 Privacy Policy covering Semantic Scholar.
Citation data
Add a list of citing articles from and to record detail pages.
load citations from opencitations.net
Privacy notice: By enabling the option above, your browser will contact the API of opencitations.net and semanticscholar.org to load citation information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the OpenCitations privacy policy as well as the AI2 Privacy Policy covering Semantic Scholar.
OpenAlex data
Load additional information about publications from 
.
Privacy notice: By enabling the option above, your browser will contact the API of openalex.org to load additional information. Although we do not have any reason to believe that your call will be tracked, we do not have any control over how the remote server uses your data. So please proceed with care and consider checking the information given by OpenAlex.
last updated on 2025-01-21 00:06 CET by the dblp team
all metadata released as open data under CC0 1.0 license
see also: Terms of Use | Privacy Policy | Imprint
dblp was originally created in 1993 at:
since 2018, dblp has been operated and maintained by:
the dblp computer science bibliography is funded and supported by:
