• P.O. Box 513, Department of Mathematics and Computer Science

    5600 MB Eindhoven

    Netherlands

  • Groene Loper 5, MetaForum

    5612 AP Eindhoven

    Netherlands

Research Output 2009 2019

Filter
Article
2019

Cluster-preserving sampling from fully-dynamic streaming graphs

Zhang, J., Zhu, K., Pei, Y., Fletcher, G. & Pechenizkiy, M., 1 May 2019, In : Information Sciences. 482, p. 279-300 22 p.

Research output: Contribution to journalArticleAcademicpeer-review

Streaming
Sampling
Graph in graph theory
Clustering
Surge

Evolving plasticity for autonomous learning under changing environmental conditions

Yaman, A., Mocanu, D., Iacca, G., Coler, M., Fletcher, G. & Pechenizkiy, M., 2019, In : arXiv. 26 p., 1904.01709v1

Research output: Contribution to journalArticleAcademic

Open Access
File
Plasticity
Neurons
Chemical activation
Reinforcement
Genetic algorithms
2018
1 Citation (Scopus)

A bounded-size clustering algorithm on fully-dynamic streaming graphs

Zhang, J., Pei, Y., Fletcher, G. & Pechenizkiy, M., 1 Sep 2018, In : Intelligent Data Analysis. 22, 5, p. 1039-1058 20 p.

Research output: Contribution to journalArticleAcademicpeer-review

Streaming
Clustering algorithms
Clustering Algorithm
Clustering
Graph in graph theory
2017
28 Citations (Scopus)

gMark: schema-driven generation of graphs and queries

Bagan, G., Bonifati, A., Ciucanu, R., Fletcher, G. H. L., Lemay, A. & Advokaat, N., 2017, In : IEEE Transactions on Knowledge and Data Engineering. 29, 4, p. 856-869

Research output: Contribution to journalArticleAcademicpeer-review

Query languages
2016

Generating flexible workloads for graph databases

Fletcher, G. H. L., Bagan, G., Bonifati, A., Ciucanu, R., Lemay, A. & Advokaat, N., 2016, In : Proceedings of the VLDB Endowment. 9, 13, p. 1457-1460

Research output: Contribution to journalArticleAcademicpeer-review

Query languages
Information management
Demonstrations
Engines

Structural characterizations of the navigational expressiveness of relation algebras on a tree

Fletcher, G. H. L., Gyssens, M., Paredaens, J., van Gucht, D. & Wu, Y., Mar 2016, In : Journal of Computer and System Sciences. 82, 2, p. 229-259

Research output: Contribution to journalArticleAcademicpeer-review

Relation Algebra
Expressiveness
Algebra
Vertex of a graph
XML
2015
26 Citations (Scopus)

Relative expressive power of navigational querying on graphs

Fletcher, G. H. L., Gyssens, M., Leinders, D., Surinx, D., Van den Bussche, J., Van Gucht, D., Vansummeren, S. & Wu, Y., 2015, In : Information Sciences. 298, p. 390-406

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
Query languages
Binary relation
Expressive Power
Query
Query Language
10 Citations (Scopus)

Relative expressive power of navigational querying on graphs using transitive closure

Surinx, D., Fletcher, G. H. L., Gyssens, M., Leinders, D., Van den Bussche, J., Van Gucht, D., Vansummeren, S. & Wu, Y., 2015, In : Logic Journal of the IGPL. 23, 5, p. 759-788

Research output: Contribution to journalArticleAcademicpeer-review

Graph
Closure
Expressive Power
Transitive
Operator
4 Citations (Scopus)

Similarity and bisimilarity notions appropriate for characterizing indistinguishability in fragments of the calculus of relations

Fletcher, G. H. L., Gyssens, M., Leinders, D., Van den Bussche, J., Van Gucht, D. & Vansummeren, S., 2015, In : Journal of Logic and Computation. 25, 3, p. 549-580

Research output: Contribution to journalArticleAcademicpeer-review

Fragment
Calculus
Residuation
Bisimulation
Difference Set
6 Citations (Scopus)

The impact of transitive closure on the expressiveness of navigational query languages on unlabeled graphs

Fletcher, G. H. L., Gyssens, M., Leinders, D., Van den Bussche, J., Van Gucht, D., Vansummeren, S. & Wu, Y., 2015, In : Annals of Mathematics and Artificial Intelligence. 73, 1-2, p. 167-203

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
Transitive Closure
Query languages
Query Language
Expressiveness
Algebra
2010
10 Citations (Scopus)

Towards a theory of search queries

Fletcher, G. H. L., Van den Bussche, J., Van Gucht, D. & Vansummeren, S., 2010, In : ACM Transactions on Database Systems. 35, 4, p. 28:1-33

Research output: Contribution to journalArticleAcademicpeer-review

Information retrieval
Information management
Algebra
Data structures
2009
12 Citations (Scopus)

A methodology for coupling fragments of XPath with structural indexes for XML documents

Fletcher, G. H. L., Van Gucht, D., Wu, Y., Gyssens, M., Brenes, S. & Paredaens, J., 2009, In : Information Systems. 34, 7, p. 657-670

Research output: Contribution to journalArticleAcademicpeer-review

XML
27 Citations (Scopus)

Human computing skills: rethinking the K-12 experience

Fletcher, G. H. L. & Lu, J. J., 2009, In : Communications of the ACM. 52, 2, p. 23-25

Research output: Contribution to journalArticleAcademicpeer-review

Computer science
Education
15 Citations (Scopus)

On the expressive power of the relational algebra on finite sets of relation pairs

Fletcher, G. H. L., Gyssens, M., Paredaens, J. & Van Gucht, D., 2009, In : IEEE Transactions on Knowledge and Data Engineering. 21, 6, p. 939-942

Research output: Contribution to journalArticleAcademicpeer-review

Algebra