2009 | ||
---|---|---|
103 | Yuqing Wu, Dirk Van Gucht, Marc Gyssens, Jan Paredaens: A Study of a Positive Fragment of Path Queries: Expressiveness, Normal Form, and Minimization. BNCOD 2009: 133-145 | |
102 | George H. L. Fletcher, Jan Van den Bussche, Dirk Van Gucht, Stijn Vansummeren: Towards a theory of search queries. ICDT 2009: 201-211 | |
101 | Dirk Van Gucht: BP-Completeness. Encyclopedia of Database Systems 2009: 265-266 | |
100 | Victor Vianu, Dirk Van Gucht: Computationally Complete Relational Query Languages. Encyclopedia of Database Systems 2009: 406-411 | |
99 | George H. L. Fletcher, Marc Gyssens, Jan Paredaens, Dirk Van Gucht: On the Expressive Power of the Relational Algebra on Finite Sets of Relation Pairs. IEEE Trans. Knowl. Data Eng. 21(6): 939-942 (2009) | |
98 | George H. L. Fletcher, Dirk Van Gucht, Yuqing Wu, Marc Gyssens, Sofia Brenes, Jan Paredaens: A methodology for coupling fragments of XPath with structural indexes for XML documents. Inf. Syst. 34(7): 657-670 (2009) | |
97 | Edward L. Robertson, Lawrence V. Saxton, Dirk Van Gucht, Stijn Vansummeren: Structural Recursion as a Query Language on Lists and Ordered Trees. Theory Comput. Syst. 44(4): 590-619 (2009) | |
2008 | ||
96 | Mathias Niepert, Dirk Van Gucht, Marc Gyssens: On the Conditional Independence Implication Problem: A Lattice-Theoretic Approach. UAI 2008: 435-443 | |
95 | Sofia Brenes, Yuqing Wu, Dirk Van Gucht, Pablo Santa Cruz: Trie Indexes for Efficient XML Query Evaluation. WebDB 2008 | |
94 | Mathias Niepert, Dirk Van Gucht, Marc Gyssens: On the Conditional Independence Implication Problem: A Lattice-Theoretic Approach CoRR abs/0810.5717: (2008) | |
93 | Bassem Sayrafi, Dirk Van Gucht, Marc Gyssens: The implication problem for measure-based constraints. Inf. Syst. 33(2): 221-239 (2008) | |
2007 | ||
92 | George H. L. Fletcher, Dirk Van Gucht, Yuqing Wu, Marc Gyssens, Sofia Brenes, Jan Paredaens: A Methodology for Coupling Fragments of XPath with Structural Indexes for XML Documents. DBPL 2007: 48-65 | |
91 | George H. L. Fletcher, Dirk Van Gucht, Yuqing Wu, Marc Gyssens, Jan Paredaens: Coupling Fragments of XPath with XML Indexing and Query Decomposition. EROW 2007 | |
90 | Edward L. Robertson, Lawrence V. Saxton, Dirk Van Gucht, Stijn Vansummeren: Structural Recursion on Ordered Trees and List-Based Complex Objects. ICDT 2007: 344-358 | |
89 | Jan Van den Bussche, Dirk Van Gucht, Stijn Vansummeren: A crash course on database queries. PODS 2007: 143-154 | |
88 | Jan Van den Bussche, Dirk Van Gucht, Stijn Vansummeren: Well-definedness and semantic type-checking for the nested relational calculus. Theor. Comput. Sci. 371(3): 183-199 (2007) | |
2006 | ||
87 | Nele Dexters, Paul W. Purdom, Dirk Van Gucht: Peak-Jumping Frequent Itemset Mining Algorithms. PKDD 2006: 487-494 | |
86 | Marc Gyssens, Jan Paredaens, Dirk Van Gucht, George H. L. Fletcher: Structural characterizations of the semantics of XPath as navigation tool on a document. PODS 2006: 318-327 | |
85 | Nele Dexters, Paul W. Purdom, Dirk Van Gucht: A probability analysis for candidate-based frequent itemset algorithms. SAC 2006: 541-545 | |
84 | George H. L. Fletcher, Catharine M. Wyss, Edward L. Robertson, Dirk Van Gucht: A Calculus for Data Mapping. Electr. Notes Theor. Comput. Sci. 150(2): 37-54 (2006) | |
2005 | ||
83 | Jan Van den Bussche, Dirk Van Gucht, Stijn Vansummeren: Well-Definedness and Semantic Type-Checking in the Nested Relational Calculus and XQuery Extended Abstract. ICDT 2005: 99-113 | |
82 | Bassem Sayrafi, Dirk Van Gucht: Differential constraints. PODS 2005: 348-357 | |
2004 | ||
81 | Jan Van den Bussche, Dirk Van Gucht, Stijn Vansummeren: Well-Definedness and Semantic Type-Checking in the Nested Relational Calculus and XQuery CoRR cs.DB/0406060: (2004) | |
80 | Luc Vandeurzen, Marc Gyssens, Dirk Van Gucht: An expressive language for linear spatial database queries. J. Comput. Syst. Sci. 69(4): 617-655 (2004) | |
79 | Paul W. Purdom, Dirk Van Gucht, Dennis P. Groth: Average-Case Performance of the Apriori Algorithm. SIAM J. Comput. 33(5): 1223-1260 (2004) | |
2002 | ||
78 | Chris Giannella, Dirk Van Gucht: Adding a path connectedness operator to FO+poly (linear). Acta Inf. 38(9): 621-648 (2002) | |
2001 | ||
77 | Catharine M. Wyss, Dirk Van Gucht: A Relational Algebra for Data/Metadata Integration in a Federated Database System. CIKM 2001: 65-72 | |
76 | Catharine M. Wyss, Felix I. Wyss, Dirk Van Gucht: Augmenting SQL with Dynamic Restructuring to Support Interoperability in a Relational Federation. EFIS 2001: 5-18 | |
75 | Marc Gyssens, Dan Suciu, Dirk Van Gucht: Equivalence and Normal Forms for the Restricted and Bounded Fixpoint in the Nested Algebra. Inf. Comput. 164(1): 85-117 (2001) | |
74 | Luc Vandeurzen, Marc Gyssens, Dirk Van Gucht: On the expressiveness of linear-constraint query languages for spatial databases. Theor. Comput. Sci. 254(1-2): 423-463 (2001) | |
2000 | ||
73 | Marc Gyssens, Luc Vandeurzen, Dirk Van Gucht: Linear-Constraint Databases. Constraint Databases 2000: 199-229 | |
72 | Bart Kuijpers, Dirk Van Gucht: Genericity in Spatial Databases. Constraint Databases 2000: 293-303 | |
71 | Bart Kuijpers, Jan Paredaens, Dirk Van Gucht: Towards a Theory of Movie Database Queries. TIME 2000: 95-102 | |
1999 | ||
70 | Frank Neven, Jan Van den Bussche, Dirk Van Gucht, Gottfried Vossen: Typed Query Languages for Databases Containing Queries. Inf. Syst. 24(7): 569-595 (1999) | |
69 | Marc Gyssens, Jan Van den Bussche, Dirk Van Gucht: Complete Geometric Query Languages. J. Comput. Syst. Sci. 58(3): 483-511 (1999) | |
68 | Freddy Dumortier, Marc Gyssens, Luc Vandeurzen, Dirk Van Gucht: On the Decidability of Semilinearity for Semialgebraic Sets and Its Implications for Spatial Databases. J. Comput. Syst. Sci. 58(3): 535-571 (1999) | |
67 | Freddy Dumortier, Marc Gyssens, Luc Vandeurzen, Dirk Van Gucht: On the Decidability of Semilinearity for Semialgebraic Sets and Its Implications for Spatial Databases - CORRIGENDUM. J. Comput. Syst. Sci. 59(3): 557-562 (1999) | |
1998 | ||
66 | Luc Vandeurzen, Marc Gyssens, Dirk Van Gucht: An Expressive Language for Linear Spatial Database Queries. PODS 1998: 109-118 | |
65 | Frank Neven, Jan Van den Bussche, Dirk Van Gucht, Gottfried Vossen: Typed Query Languages for Databases Containing Queries. PODS 1998: 189-196 | |
64 | Jan Paredaens, Jan Van den Bussche, Dirk Van Gucht: First-Order Queries on Finite Structures Over the Reals. SIAM J. Comput. 27(6): 1747-1763 (1998) | |
1997 | ||
63 | Mehmet M. Dalkilic, Edward L. Robertson, Dirk Van Gucht: CE: the Classifier-Estimator Framework for Data Mining. DS-7 1997: 89-104 | |
62 | Marc Gyssens, Jan Van den Bussche, Dirk Van Gucht: Complete Geometrical Query Languages. PODS 1997: 62-67 | |
61 | Freddy Dumortier, Marc Gyssens, Luc Vandeurzen, Dirk Van Gucht: On the Decidability of Semi-Linearity of Semi-Algebraic Sets and Its Implications for Spatial Databases. PODS 1997: 68-77 | |
60 | Jan Van den Bussche, Dirk Van Gucht, Marc Andries, Marc Gyssens: On the completeness of object-creating database transformation languages. J. ACM 44(2): 272-319 (1997) | |
59 | Jan Van den Bussche, Dirk Van Gucht: A Semideterministic Approach to Object Creation and Nondeterminism in Database Queries. J. Comput. Syst. Sci. 54(1): 34-47 (1997) | |
1996 | ||
58 | Luc Vandeurzen, Marc Gyssens, Dirk Van Gucht: On Query Languages for Linear Queries Definable with Polynomial Constraints. CP 1996: 468-481 | |
57 | Sudhir Rao, Antonio Badia, Dirk Van Gucht: Providing Better Support for a Class of Decision Support Queries. SIGMOD Conference 1996: 217-227 | |
56 | Jan Van den Bussche, Dirk Van Gucht, Gottfried Vossen: Reflective Programming in the Relational Algebra. J. Comput. Syst. Sci. 52(3): 537-549 (1996) | |
1995 | ||
55 | Manoj Jain, Anurag Mendhekar, Dirk Van Gucht: A Uniform Data Model for Relational Data and Meta-Data Query Processing. COMAD 1995: 0- | |
54 | Marc Gyssens, Dan Suciu, Dirk Van Gucht: The Restricted and Bounded Fixpoint Closures of the Nested Relational Algebra are Equivalent. DBPL 1995: 5 | |
53 | Munish Gandhi, Edward L. Robertson, Dirk Van Gucht: Modeling and Querying Primitives for Digital Media. IW-MMDBMS 1995: 82-89 | |
52 | Jan Paredaens, Jan Van den Bussche, Dirk Van Gucht: First-order Queries on Finite Structures over the Reals LICS 1995: 79-87 | |
51 | Luc Vandeurzen, Marc Gyssens, Dirk Van Gucht: On the Desirability and Limitations of Linear Spatial Database Models. SSD 1995: 14-28 | |
50 | Jan Van den Bussche, Dirk Van Gucht: The Expressive Power of Cardinality-Bounded Set Values in Object-Based Data Models. Theor. Comput. Sci. 149(1): 49-66 (1995) | |
1994 | ||
49 | Munish Gandhi, Edward L. Robertson, Dirk Van Gucht: Levelled Entity Relationship Model. ER 1994: 420-436 | |
48 | Marc Gyssens, Jan Van den Bussche, Dirk Van Gucht: Expressiveness of Efficient Semi-Deterministic Choice Constructs. ICALP 1994: 106-117 | |
47 | Latha S. Colby, Edward L. Robertson, Lawrence V. Saxton, Dirk Van Gucht: A Query Language for List-Based Complex Objects. PODS 1994: 179-189 | |
46 | Jan Paredaens, Jan Van den Bussche, Dirk Van Gucht: Towards a Theory of Spatial Database Queries. PODS 1994: 279-288 | |
45 | Marc Gyssens, Jan Paredaens, Jan Van den Bussche, Dirk Van Gucht: A Graph-Oriented Object Database Model. IEEE Trans. Knowl. Data Eng. 6(4): 572-586 (1994) | |
44 | Latha S. Colby, Lawrence V. Saxton, Dirk Van Gucht: Concepts for Modeling and Querying List-Structured Data. Inf. Process. Manage. 30(5): 687-710 (1994) | |
43 | Marc Gyssens, Jan Paredaens, Dirk Van Gucht: A Grammar-Based Approach Towards Unifying Hierarchical Data Models. SIAM J. Comput. 23(6): 1093-1137 (1994) | |
1993 | ||
42 | Vijay M. Sarathy, Lawrence V. Saxton, Dirk Van Gucht: Algebraic Foundation and Optimization for Object Based Query Languages. ICDE 1993: 81-90 | |
41 | Jan Van den Bussche, Dirk Van Gucht, Gottfried Vossen: Reflective Programming in the Relational Algebra. PODS 1993: 17-25 | |
40 | Antonio Badia, Dirk Van Gucht, Marc Gyssens: Querying with Generalized Quantifiers. Workshop on Programming with Logic Databases (Book), ILPS 1993: 235-258 | |
1992 | ||
39 | Jan Van den Bussche, Dirk Van Gucht: Non-Deterministic Aspects of Object-Creating Database Transformations. FMLDO 1992: 3-16 | |
38 | Jan Van den Bussche, Dirk Van Gucht, Marc Andries, Marc Gyssens: On the Completeness of Object-Creating Query Languages (Extended Abstract) FOCS 1992: 372-379 | |
37 | Jan Van den Bussche, Dirk Van Gucht: A Hierarchy of Faithful Set Creation in Pure OODB's. ICDT 1992: 326-340 | |
36 | Jan Van den Bussche, Dirk Van Gucht: Semi-determinism. PODS 1992: 191-201 | |
35 | Jan Paredaens, Dirk Van Gucht: Converting Nested Algebra Expressions into Flat Algebra Expressions. ACM Trans. Database Syst. 17(1): 65-93 (1992) | |
34 | Marc Gyssens, Dirk Van Gucht: The Powerset Algebra as a Natural Tool to Handle Nested Database Relations. J. Comput. Syst. Sci. 45(1): 76-103 (1992) | |
33 | Jan Paredaens, Jan Van den Bussche, Marc Andries, Marc Gemis, Marc Gyssens, Inge Thyssens, Dirk Van Gucht, Vijay M. Sarathy, Lawrence V. Saxton: An Overview of GOOD. SIGMOD Record 21(1): 25-31 (1992) | |
1991 | ||
32 | Marc Gyssens, Lawrence V. Saxton, Dirk Van Gucht: Tagging as an Alternative to Object Creation. Query Processing for Advanced Database Systems, Dagstuhl 1991: 201-242 | |
31 | Marc Gyssens, Dirk Van Gucht: A Comparison between Algebraic Query Languages for Flat and Nested Databases. Theor. Comput. Sci. 87(2): 263-286 (1991) | |
1990 | ||
30 | Marc Gyssens, Jan Paredaens, Dirk Van Gucht: A Graph-Oriented Object Database Model. PODS 1990: 417-424 | |
29 | Marc Gyssens, Jan Paredaens, Dirk Van Gucht: A Graph-Oriented Object Model for Database End-User Interfaces. SIGMOD Conference 1990: 24-33 | |
28 | Marc Gyssens, Jan Paredaens, Dirk Van Gucht: On a Hierarchy of Classes for Nested Databases. Inf. Process. Lett. 36(5): 259-266 (1990) | |
1989 | ||
27 | Jan Paredaens, Paul De Bra, Marc Gyssens, Dirk Van Gucht: The Structure of the Relational Database Model Springer 1989 | |
26 | Prasanna Jog, Jung-Yul Suh, Dirk Van Gucht: The Effects of Population SizeHeuristic Crossover and Local Improvement on a Genetic Algorithm for the Traveling Salesman Problem. ICGA 1989: 110-115 | |
25 | Marc Gyssens, Jan Paredaens, Dirk Van Gucht: A Grammar-Based Approach Towards Unifying Hierarchical Data Models (Extended Abstract). SIGMOD Conference 1989: 263-272 | |
24 | Serge Abiteboul, Marc Gyssens, Dirk Van Gucht: An Alternative Way to Represent the Cogroup of a Relation in the Context of Nested Databases. Inf. Process. Lett. 32(6): 317-324 (1989) | |
23 | Marc Gyssens, Jan Paredaens, Dirk Van Gucht: A uniform approach toward handling atomic and structured information in the nested relational database model. J. ACM 36(4): 790-825 (1989) | |
1988 | ||
22 | Marc Gyssens, Jan Paredaens, Dirk Van Gucht: ICDT'88, 2nd International Conference on Database Theory, Bruges, Belgium, August 31 - September 2, 1988, Proceedings Springer 1988 | |
21 | Jan Paredaens, Dirk Van Gucht: Possibilities and Limitations of Using Flat Operators in Nested Algebra Expressions. PODS 1988: 29-38 | |
20 | Marc Gyssens, Dirk Van Gucht: The Powerset Algebra as a Result of Adding Programming Constructs to the Nested Relational Algebra. SIGMOD Conference 1988: 225-232 | |
19 | Anand Deshpande, Dirk Van Gucht: An Implementation for Nested Relational Databases. VLDB 1988: 76-87 | |
18 | Marc Gyssens, Dirk Van Gucht: The Expressiveness of Query Languages for Nested Relations. IEEE Data Eng. Bull. 11(3): 48-55 (1988) | |
17 | Dirk Van Gucht, Patrick C. Fischer: Multilevel Nested Relational Structures. J. Comput. Syst. Sci. 36(1): 77-105 (1988) | |
16 | Dirk Van Gucht: Interaction-Free Multivalued Dependency Sets. Theor. Comput. Sci. 62(1-2): 221-233 (1988) | |
1987 | ||
15 | Anand Deshpande, Dirk Van Gucht: A Storage Structure for Unnormalized Relational Databases. BTW 1987: 481-486 | |
14 | Jung-Yul Suh, Dirk Van Gucht: Incorporating Heuristic Information into Genetic Search. ICGA 1987: 100-107 | |
13 | Prasanna Jog, Dirk Van Gucht: Parallelisation of Probabilistic Sequential Search Algorithms. ICGA 1987: 170-176 | |
12 | Serge Abiteboul, Catriel Beeri, Marc Gyssens, Dirk Van Gucht: An Introduction to the Completeness of Languages for Complex Objects and Nested Relations. NF² 1987: 117-138 | |
11 | Anand Deshpande, Dirk Van Gucht: A Storage Structure for Nested Relational Databases. NF² 1987: 69-83 | |
10 | Dirk Van Gucht: On the Expressive Power of the Extended Relational Algebra for the Unnormalized Relational Model. PODS 1987: 302-312 | |
1986 | ||
9 | Dirk Van Gucht: Interaction-Free Multivalued Dependency Sets. ICDT 1986: 409-420 | |
8 | Dirk Van Gucht, Patrick C. Fischer: Some Classes of Multilevel Relational Structures. PODS 1986: 60-69 | |
7 | Dirk Van Gucht, Patrick C. Fischer: High Level Data Manipulation Languages for Unnormalized Relational Database Models. XP7.52 Workshop on Database Theory 1986 | |
1985 | ||
6 | John J. Grefenstette, Rajeev Gopal, Brian J. Rosmaita, Dirk Van Gucht: Genetic Algorithms for the Traveling Salesman Problem. ICGA 1985: 160-168 | |
5 | Patrick C. Fischer, Dirk Van Gucht: Structure of Relations Satisfying Certain Families of Dependencies. STACS 1985: 131-142 | |
4 | Patrick C. Fischer, Dirk Van Gucht: Determining when a Structure is a Nested Relation. VLDB 1985: 171-180 | |
3 | Patrick C. Fischer, Lawrence V. Saxton, Stan J. Thomas, Dirk Van Gucht: Interactions between Dependencies and Nested Relational Structures. J. Comput. Syst. Sci. 31(3): 343-354 (1985) | |
1984 | ||
2 | Patrick C. Fischer, Dirk Van Gucht: Weak Multivalued Dependencies. PODS 1984: 266-274 | |
1983 | ||
1 | Jan Paredaens, Dirk Van Gucht: An Application of the Theory of Graphs and Hypergraphs to the Decomposition of Relational Database Schemes. CAAP 1983: 350-366 |