Travelled to:1 × Australia
1 × Greece
3 × USA
Collaborated with:∅ P.Koutris S.Greco F.Pijcke W.Fan F.Geerts R.T.Ng T.Calders M.Gyssens J.Paredaens D.V.Gucht Y.Wu
Talks about:queri (6) answer (4) conjunct (3) certain (3) databas (2) consist (2) data (2) constraint (1) uncertain (1) tractabl (1)
Person: Jef Wijsen
DBLP: Wijsen:Jef
Contributed to:
2015
20142013201320112010
1999Wrote 7 papers:
- PODS-2015-KoutrisW #complexity #consistency #constraints #query #self
- The Data Complexity of Consistent Query Answering for Self-Join-Free Conjunctive Queries Under Primary Key Constraints (PK, JW), pp. 17–29.
- VLDB-2014-GrecoPW #consistency #database #query
- Certain Query Answering in Partially Consistent Databases (SG, FP, JW), pp. 353–364.
- VLDB-2014-GyssensPGWW13 #approach #case study #query #symmetry #towards
- An Approach towards the Study of Symmetric Queries (MG, JP, DVG, JW, YW), pp. 25–36.
- PODS-2013-Wijsen #query
- Charting the tractability frontier of certain conjunctive query answering (JW), pp. 189–200.
- PODS-2011-FanGW
- Determining the currency of data (WF, FG, JW), pp. 71–82.
- PODS-2010-Wijsen #database #first-order #nondeterminism #on the #query
- On the first-order expressibility of computing certain answers to conjunctive queries over uncertain databases (JW), pp. 179–190.
- KDD-1999-WijsenNC #dependence
- Discovering Roll-Up Dependencies (JW, RTN, TC), pp. 213–222.