61 Publications (Page 1 of 3)
2015
Relative expressive power of navigational querying on graphs
Fletcher, GeorgeGYSSENS, MarcLEINDERS, DirkSURINX, DimitriVAN DEN BUSSCHE, JanVan Gucht, DirkVANSUMMEREN, 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.LGYSSENS, MarcLEINDERS, DirkVAN DEN BUSSCHE, JanVan Gucht, DirkVANSUMMEREN, Stijn and Wu, Yuqing
2015. | Journal Article
2014
On the Conditional Independence Implication Problem: A Lattice-Theoretic Approach
Niepert, MathiasVan Gucht, Dirk and Gyssens, Marc
2014-08-09. | Journal Article
2013
An approach towards the study of symmetric queries
Gyssens, MarcParedaens, JanVan Gucht, DirkWijsen, 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, MathiasGYSSENS, MarcSayrafi, Bassem and Van Gucht, Dirk
2013. | Journal Article
2011
A Study of a Positive Fragment of Path Queries: Expressiveness, Normal Form and Minimization
Wu, YuqingWu, YuqingVan Gucht, DirkVan Gucht, DirkGYSSENS, MarcGyssens, MarcParedaens, Jan and Paredaens, Jan
2011. | Journal Article
2010
Logical and algorithmic properties of stable conditional independence
Niepert, MathiasVan Gucht, Dirk and GYSSENS, Marc
2010. | Journal Article
 
Towards a Theory of Search Queries
Fletcher, GeorgeFletcher, GeorgeVan Den Bussche, JanVAN DEN BUSSCHE, JanVan Gucht, DirkVan Gucht, DirkVANSUMMEREN, Stijn and Vansummeren, Stijn
2010. | Journal Article
2009
A methodology for coupling fragments of XPath with structural indexes for XML documents
FLETCHER, GeorgeVan Gucht, DirkWU, YuqingGYSSENS, MarcBRENES, Sofia and PAREDAENS, Jan
2009. | Journal Article
 
Structural Recursion as a Query Language on Lists and Ordered Trees
Robertson, Edward LSaxton, Larry VVan Gucht, Dirk and Vansummeren, Stijn
Theory 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, MathiasVan 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, GeorgeVan Gucht, DirkWU, YuqingGYSSENS, MarcBRENES, Sofia and PAREDAENS, Jan
2007. | Journal Article
 
Well-definedness and semantic type-checking for the nested relational calculus
VAN DEN BUSSCHE, JanVan Gucht, Dirk and VANSUMMEREN, Stijn
2007. | Journal Article
2006
A probability analysis for candidate-based frequent itemset algorithms
Dexters, NelePurdom, Paul W and Van Gucht, Dirk
Symposium 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 document
Gyssens, MarcParedaens, JanVan Gucht, Dirk and Fletcher, George
Symposium 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 problem
Sayrafi, BassemVan Gucht, Dirk and Purdom, Paul W
Conference 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, LucGYSSENS, Marc and Van Gucht, Dirk
2004. | Journal Article
 
Well-Definedness and Semantic Type-Checking in the Nested Relational Calculus and XQuery
Bussche, Jan Van denVan Gucht, Dirk and Vansummeren, Stijn
2004-06-29. | Journal Article
2001
A relational algebra for data/metadata integration in a federated database system
Wyss, Cathy M and Van Gucht, Dirk
Conference 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, MarcSuciu, 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, MarcVan 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, FrankVan den Bussche, JanVan 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 queries
Vandeurzen, LucGyssens, Marc and Van Gucht, Dirk
Symposium 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, JanVan Den Bussche, Jan and Van Gucht, Dirk
SIAM J COMPUT, vol. 27, (no. 6), pp. 1747-1763, 1998. | Journal Article