61 Publications (Page 1 of 3)
2015
Relative expressive power of navigational querying on graphs
Fletcher, George⋅GYSSENS, Marc⋅LEINDERS, Dirk⋅SURINX, Dimitri⋅VAN DEN BUSSCHE, Jan⋅Van Gucht, Dirk⋅VANSUMMEREN, Stijn and Wu, Yuqing
2015. | Journal Article
The impact of transitive closure on the expressiveness of navigational query languages on unlabeled graphs
Fletcher, G.H.L⋅GYSSENS, Marc⋅LEINDERS, Dirk⋅VAN DEN BUSSCHE, Jan⋅Van Gucht, Dirk⋅VANSUMMEREN, Stijn and Wu, Yuqing
2015. | Journal Article
2014
On the Conditional Independence Implication Problem: A Lattice-Theoretic Approach
Niepert, Mathias⋅Van Gucht, Dirk and Gyssens, Marc
2014-08-09. | Journal Article
2013
An approach towards the study of symmetric queries
Gyssens, Marc⋅Paredaens, Jan⋅Van Gucht, Dirk⋅Wijsen, Jef and Wu, Yuqing
Proceedings of the VLDB Endowment, vol. 7, (no. 1), pp. 36, 2013-09-01. | Journal Article
On the conditional independence implication problem: A lattice-theoretic approach
Niepert, Mathias⋅GYSSENS, Marc⋅Sayrafi, Bassem and Van Gucht, Dirk
2013. | Journal Article
2011
A Study of a Positive Fragment of Path Queries: Expressiveness, Normal Form and MinimizationWu, Yuqing⋅Wu, Yuqing⋅Van Gucht, Dirk⋅Van Gucht, Dirk⋅GYSSENS, Marc⋅Gyssens, Marc⋅Paredaens, Jan and Paredaens, Jan2011.
| Journal Article
2010
Logical and algorithmic properties of stable conditional independence
Niepert, Mathias⋅Van Gucht, Dirk and GYSSENS, Marc
2010. | Journal Article
Towards a Theory of Search Queries
Fletcher, George⋅Fletcher, George⋅Van Den Bussche, Jan⋅VAN DEN BUSSCHE, Jan⋅Van Gucht, Dirk⋅Van Gucht, Dirk⋅VANSUMMEREN, Stijn and Vansummeren, Stijn
2010. | Journal Article
2009
A methodology for coupling fragments of XPath with structural indexes for XML documents
FLETCHER, George⋅VAN GUCHT, Dirk⋅WU, Yuqing⋅GYSSENS, Marc⋅BRENES, Sofia and PAREDAENS, Jan
2009. | Journal Article
Structural Recursion as a Query Language on Lists and Ordered TreesRobertson, Edward L⋅Saxton, Larry V⋅Van Gucht, Dirk and Vansummeren, StijnTheory of Computing Systems, vol. 44, (no. 4), pp. 590-619, May 2009.
| Journal Article
2008
On the Conditional Independence Implication Problem: A Lattice-Theoretic Approach
Niepert, Mathias⋅Van Gucht, Dirk and Gyssens, Marc
2008-10-31. | Journal Article
2007
A Methodology for Coupling Fragments of XPath with Structural Indexes for XML Documents
FLETCHER, George⋅VAN GUCHT, Dirk⋅WU, Yuqing⋅GYSSENS, Marc⋅BRENES, Sofia and PAREDAENS, Jan
2007. | Journal Article
Well-definedness and semantic type-checking for the nested relational calculus
VAN DEN BUSSCHE, Jan⋅Van Gucht, Dirk and VANSUMMEREN, Stijn
2007. | Journal Article
2006
A probability analysis for candidate-based frequent itemset algorithmsDexters, Nele⋅Purdom, Paul W and Van Gucht, DirkSymposium on Applied Computing: Proceedings of the 2006 ACM symposium on Applied computing; 23-27 Apr. 2006. 2006. | Conference Proceeding
Structural characterizations of the semantics of XPath as navigation tool on a documentGyssens, Marc⋅Paredaens, Jan⋅Van Gucht, Dirk and Fletcher, GeorgeSymposium on Principles of Database Systems: Proceedings of the twenty-fifth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems; 26-28 June 2006. 2006. | Conference Proceeding
2005
On the effectiveness and efficiency of computing bounds on the support of item-sets in the frequent item-sets mining problemSayrafi, Bassem⋅Van Gucht, Dirk and Purdom, Paul WConference on Knowledge Discovery in Data: Proceedings of the 1st international workshop on open source data mining: frequent pattern mining implementations; 21-21 Aug. 2005. 2005. | Conference Proceeding
2004
An expressive language for linear spatial database queries
VANDEURZEN, Luc⋅GYSSENS, Marc and Van Gucht, Dirk
2004. | Journal Article
Well-Definedness and Semantic Type-Checking in the Nested Relational Calculus and XQuery
Bussche, Jan Van den⋅Van Gucht, Dirk and Vansummeren, Stijn
2004-06-29. | Journal Article
2001
A relational algebra for data/metadata integration in a federated database systemWyss, Cathy M and Van Gucht, DirkConference on Information and Knowledge Management: Proceedings of the tenth international conference on Information and knowledge management; 05-10 Oct. 2001. 2001.
| Conference Proceeding
Equivalence and normal forms for the restricted and bounded fixpoint in the Nested Algebra
GYSSENS, Marc⋅Suciu, Dan and Van Gucht, Dirk
2001. | Journal Article
On the expressiveness of linear-constraint query languages for spatial databases
Vandeurzen, L.⋅Gyssens, M. and Van Gucht, Dirk
Theoretical Computer Science, vol. 254, (no. 1-2), pp. 423-463, 2001. | Journal Article
1999
Complete Geometric Query Languages
Gyssens, Marc⋅Van den Bussche, Jan and Van Gucht, Dirk
Journal of Computer and System Sciences, vol. 58, (no. 3), pp. 511, June 1999. | Journal Article
Typed query languages for databases containing queries
Neven, Frank⋅Van den Bussche, Jan⋅Van Gucht, Dirk and Vossen, Gottfried
Information Systems, vol. 24, (no. 7), pp. 569-595, 1999. | Journal Article
1998
An expressive language for linear spatial database queriesVandeurzen, Luc⋅Gyssens, Marc and Van Gucht, DirkSymposium on Principles of Database Systems: Proceedings of the seventeenth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems; 01-04 June 1998. 1998. | Conference Proceeding
First-order queries on finite structures over the reals
Paredaens, Jan⋅Van Den Bussche, Jan and Van Gucht, Dirk
SIAM J COMPUT, vol. 27, (no. 6), pp. 1747-1763, 1998. | Journal Article