George Fletcher

Orcid: 0000-0003-2111-6769

Affiliations:
  • Eindhoven University of Technology, Netherlands


According to our database1, George Fletcher authored at least 148 papers between 2004 and 2024.

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Bibliography

2024
Report on the Second International Workshop on DataSystems Education (DataEd '23).
SIGMOD Rec., September, 2024

FairSNA: Algorithmic Fairness in Social Network Analysis.
ACM Comput. Surv., August, 2024

Reasoning on property graphs with graph generating dependencies.
Inf. Sci., 2024

Meta-Property Graphs: Extending Property Graphs with Metadata Awareness and Reification.
CoRR, 2024

Quantifying gendered citation imbalance in computer science conferences.
CoRR, 2024

Optimizing Navigational Graph Queries.
CoRR, 2024

GGDMiner - Discovery of Graph Generating Dependencies for Graph Data Profiling.
CoRR, 2024

HomeRun: A Cardinality Estimation Advisor for Graph Databases.
Proceedings of the 7th Joint Workshop on Graph Data Management Experiences & Systems (GRADES) and Network Data Analytics (NDA), 2024

A Feasibility Study on Automated SQL Exercise Generation with ChatGPT-3.5.
Proceedings of the 3rd International Workshop on Data Systems Education: Bridging education practice with education research, 2024

Statement Graphs: Unifying the Graph Data Model Landscape.
Proceedings of the Database Systems for Advanced Applications, 2024

Discovering Graph Generating Dependencies for Property Graph Profiling.
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, 2024

2023
A General Cardinality Estimation Framework for Subgraph Matching in Property Graphs.
IEEE Trans. Knowl. Data Eng., June, 2023

GenCAT: Generating attributed graphs with controlled relationships between classes, attributes, and topology.
Inf. Syst., May, 2023

Expert Perspectives on Student Errors in SQL.
ACM Trans. Comput. Educ., March, 2023

Threshold Queries.
SIGMOD Rec., 2023

PG-Schema: Schemas for Property Graphs.
Proc. ACM Manag. Data, 2023

Bridging graph data models: RDF, RDF-star, and property graphs as directed acyclic graphs.
CoRR, 2023

Guaranteeing the Õ(AGM/OUT) Runtime for Uniform Sampling and OUT Size Estimation over Joins.
CoRR, 2023

The Linked Data Benchmark Council (LDBC): Driving Competition and Collaboration in the Graph Data Management Space.
Proceedings of the Performance Evaluation and Benchmarking: 15th TPC Technology Conference, 2023

DataEd'23 - 2nd International Workshop on Data Systems Education: Bridging Education Practice with Education Research.
Proceedings of the Companion of the 2023 International Conference on Management of Data, 2023

ProGGD - Data Profiling on Knowledge Graphs using Graph Generating Dependencies.
Proceedings of the ISWC 2023 Posters, 2023

Guaranteeing the Õ(AGM/OUT) Runtime for Uniform Sampling and Size Estimation over Joins.
Proceedings of the 42nd ACM SIGMOD-SIGACT-SIGAI Symposium on Principles of Database Systems, 2023

"There is no ambiguity on what to return": Investigating the Prevalence of SQL Misconceptions.
Proceedings of the 23rd Koli Calling International Conference on Computing Education Research, 2023

MSMI1: Towards a Validated SQL Misconceptions Instrument.
Proceedings of the 2023 ACM Conference on International Computing Education Research, 2023

A Formal Design Framework for Practical Property Graph Schema Languages.
Proceedings of the Proceedings 26th International Conference on Extending Database Technology, 2023

2022
Report on the First International Workshop on Data Systems Education (DataEd '22).
SIGMOD Rec., December, 2022

AvantGraph Query Processing Engine.
Proc. VLDB Endow., 2022

Threshold Queries in Theory and in the Wild.
Proc. VLDB Endow., 2022

HM-EIICT: Fairness-aware link prediction in complex networks using community information.
J. Comb. Optim., 2022

Identifying SQL misconceptions of novices: findings from a think-aloud study.
Inroads, 2022

NodeSim: node similarity based network embedding for diverse link prediction.
EPJ Data Sci., 2022

Survey on Fair Reinforcement Learning: Theory and Practice.
CoRR, 2022

DataEd'22 - 1st International Workshop on Data Systems Education: Bridging Education Practice with Education Research.
Proceedings of the SIGMOD '22: International Conference on Management of Data, Philadelphia, PA, USA, June 12, 2022

Poster: A Flexible Relationship-Based Access Control Policy Generator.
Proceedings of the SACMAT '22: The 27th ACM Symposium on Access Control Models and Technologies, New York, NY, USA, June 8, 2022

Benchmarking GNNs with GenCAT Workbench.
Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2022

GNN Transformation Framework for Improving Efficiency and Scalability.
Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2022

So many brackets!: an analysis of how SQL learners (mis)manage complexity during query formulation.
Proceedings of the 30th IEEE/ACM International Conference on Program Comprehension, 2022

Language-aware Indexing for Conjunctive Path Queries.
Proceedings of the 38th IEEE International Conference on Data Engineering, 2022

ReLOG: A Unified Framework for Relationship-Based Access Control over Graph Databases.
Proceedings of the Data and Applications Security and Privacy XXXVI, 2022

Workload Prediction for Adaptive Approximate Query Processing.
Proceedings of the IEEE International Conference on Big Data, 2022

2021

Competition-driven modeling of temporal networks.
EPJ Data Sci., 2021

Evolving Plasticity for Autonomous Learning under Changing Environmental Conditions.
Evol. Comput., 2021

[Technical Report] Combining Sampling and Synopses with Worst-Case Optimal Runtime and Quality Guarantees for Graph Pattern Cardinality Estimation.
CoRR, 2021

How Fair is Fairness-aware Representative Ranking and Methods for Fair Ranking.
CoRR, 2021

How Fair is Fairness-aware Representative Ranking?
Proceedings of the Companion of The Web Conference 2021, 2021

SQLVis: Visual Query Representations for Supporting SQL Learners.
Proceedings of the IEEE Symposium on Visual Languages and Human-Centric Computing, 2021

Combining Sampling and Synopses with Worst-Case Optimal Runtime and Quality Guarantees for Graph Pattern Cardinality Estimation.
Proceedings of the SIGMOD '21: International Conference on Management of Data, 2021


Exploring the Prevalence of SQL Misconceptions: a Study Design.
Proceedings of the Koli Calling '21: 21st Koli Calling International Conference on Computing Education Research, Joensuu, Finland, November 18, 2021

Leveraging Temporal and Topological Selectivities in Temporal-clique Subgraph Query Processing.
Proceedings of the 37th IEEE International Conference on Data Engineering, 2021

Path Indexing in the Cypher Query Pipeline.
Proceedings of the 24th International Conference on Extending Database Technology, 2021

The banking transactions dataset and its comparative analysis with scale-free networks.
Proceedings of the ASONAM '21: International Conference on Advances in Social Networks Analysis and Mining, Virtual Event, The Netherlands, November 8, 2021

2020
Evaluation of the Sample Clustering Process on Graphs.
IEEE Trans. Knowl. Data Eng., 2020

Comparing the expressiveness of downward fragments of the relation algebra with transitive closure on trees.
Inf. Syst., 2020

struc2gauss: Structural role preserving network embedding via Gaussian embedding.
Data Min. Knowl. Discov., 2020

Knowledge Scientists: Unlocking the data-driven organization.
CoRR, 2020

Structural Indexing for Conjunctive Path Queries.
CoRR, 2020

Novelty producing synaptic plasticity.
Proceedings of the GECCO '20: Genetic and Evolutionary Computation Conference, 2020

Towards Planning of Regular Queries with Memory.
Proceedings of the 23rd International Conference on Extending Database Technology, 2020

GGDs: Graph Generating Dependencies.
Proceedings of the CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, 2020

2019
Indexing for Graph Query Evaluation.
Proceedings of the Encyclopedia of Big Data Technologies., 2019

Cluster-preserving sampling from fully-dynamic streaming graphs.
Inf. Sci., 2019

An Experimental Study of Context-Free Path Query Evaluation Methods.
Proceedings of the 31st International Conference on Scientific and Statistical Database Management, 2019

Scalable temporal clique enumeration.
Proceedings of the 16th International Symposium on Spatial and Temporal Databases, 2019

GRADES-NDA 2019: Joint International Workshop on Graph Data Management Experiences & Systems and Network Data Analytics.
Proceedings of the 2019 International Conference on Management of Data, 2019

Learning with delayed synaptic plasticity.
Proceedings of the Genetic and Evolutionary Computation Conference, 2019

Approximate Querying for the Property Graph Language Cypher.
Proceedings of the 2019 IEEE International Conference on Big Data (IEEE BigData), 2019

Infinite motif stochastic blockmodel for role discovery in networks.
Proceedings of the ASONAM '19: International Conference on Advances in Social Networks Analysis and Mining, 2019

Joint role and community detection in networks via <i>L</i><sub>2, 1</sub> norm regularized nonnegative matrix tri-factorization.
Proceedings of the ASONAM '19: International Conference on Advances in Social Networks Analysis and Mining, 2019

On Directly Mapping Relational Databases to Property Graphs.
Proceedings of the 13th Alberto Mendelzon International Workshop on Foundations of Data Management, 2019

2018
Querying Graphs
Synthesis Lectures on Data Management, Morgan & Claypool Publishers, ISBN: 978-3-031-01864-0, 2018

Graph Database Systems: Bridging Theory, Practice, and Engineering (NII Shonan Meeting 2018-10).
NII Shonan Meet. Rep., 2018

A bounded-size clustering algorithm on fully-dynamic streaming graphs.
Intell. Data Anal., 2018

struc2gauss: Structure Preserving Network Embedding via Gaussian Embedding.
CoRR, 2018

Comparing Downward Fragments of the Relational Calculus with Transitive Closure on Trees.
CoRR, 2018

Tink: A Temporal Graph Analytics Library for Apache Flink.
Proceedings of the Companion of the The Web Conference 2018 on The Web Conference 2018, 2018

G-CORE: A Core for Future Graph Query Languages.
Proceedings of the 2018 International Conference on Management of Data, 2018

DyNMF: Role Analytics in Dynamic Social Networks.
Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence, 2018

Limited evaluation cooperative co-evolutionary differential evolution for large-scale neuroevolution.
Proceedings of the Genetic and Evolutionary Computation Conference, 2018

Multi-strategy Differential Evolution.
Proceedings of the Applications of Evolutionary Computation, 2018

Histogram Domain Ordering for Path Selectivity Estimation.
Proceedings of the 21st International Conference on Extending Database Technology, 2018

A Survey of Benchmarks for Graph-Processing Systems.
Proceedings of the Graph Data Management, Fundamental Issues and Recent Developments., 2018

2017
gMark: Schema-Driven Generation of Graphs and Queries.
IEEE Trans. Knowl. Data Eng., 2017

Language integrated queries: towards standard logics for big data analytics (NII Shonan Meeting 2017-6).
NII Shonan Meet. Rep., 2017

Landmark Indexing for Evaluation of Label-Constrained Reachability Queries.
Proceedings of the 2017 ACM International Conference on Management of Data, 2017

Stability notions in synthetic graph generation: a preliminary study.
Proceedings of the 20th International Conference on Extending Database Technology, 2017

Declarative Graph Querying in Practice and Theory.
Proceedings of the 20th International Conference on Extending Database Technology, 2017

Clustering-Structure Representative Sampling from Graph Streams.
Proceedings of the Complex Networks & Their Applications VI, 2017

2016
Analytics on complex networks: scalable solutions for empirical questions (NII Shonan Meeting 2016-1).
NII Shonan Meet. Rep., 2016

Generating Flexible Workloads for Graph Databases.
Proc. VLDB Endow., 2016

Structural characterizations of the navigational expressiveness of relation algebras on a tree.
J. Comput. Syst. Sci., 2016

WiBAF into a CMS: Personalization in Learning Environments Made Easy.
Proceedings of the Late-breaking Results, 2016

No users no dataspaces! Query-driven dataspace orchestration?
Proceedings of the 24th Italian Symposium on Advanced Database Systems, 2016

On structure preserving sampling and approximate partitioning of graphs.
Proceedings of the 31st Annual ACM Symposium on Applied Computing, 2016

Adaptive web-based educational application for autistic students.
Proceedings of the Late-breaking Results, 2016

Investigations on Path Indexing for Graph Databases.
Proceedings of the Euro-Par 2016: Parallel Processing Workshops, 2016

Efficient regular path query evaluation using path indexes.
Proceedings of the 19th International Conference on Extending Database Technology, 2016

Empirical evaluation of guarded structural indexing.
Proceedings of the 19th International Conference on Extending Database Technology, 2016

Structural measures of clustering quality on graph samples.
Proceedings of the 2016 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, 2016

2015
Similarity and bisimilarity notions appropriate for characterizing indistinguishability in fragments of the calculus of relations.
J. Log. Comput., 2015

Relative expressive power of navigational querying on graphs.
Inf. Sci., 2015

Relative expressive power of navigational querying on graphs using transitive closure.
Log. J. IGPL, 2015

Controlling Diversity in Benchmarking Graph Databases.
CoRR, 2015

The impact of transitive closure on the expressiveness of navigational query languages on unlabeled graphs.
Ann. Math. Artif. Intell., 2015

Efficient and scalable trie-based algorithms for computing set containment relations.
Proceedings of the 31st IEEE International Conference on Data Engineering, 2015

An Extensible Framework for Query Optimization on TripleT-based RDF Stores.
Proceedings of the Workshops of the EDBT/ICDT 2015 Joint Conference (EDBT/ICDT), 2015

Relative expressive power of downward fragments of navigational query languages on trees and chains.
Proceedings of the 15th Symposium on Database Programming Languages, 2015

2014
Principles of Guarded Structural Indexing.
Proceedings of the Proc. 17th International Conference on Database Theory (ICDT), 2014

On reflection in Linked Data management.
Proceedings of the Workshops Proceedings of the 30th International Conference on Data Engineering Workshops, 2014

A DSL based on CSS for hypertext adaptation.
Proceedings of the 25th ACM Conference on Hypertext and Social Media, 2014

2013
Regularities and dynamics in bisimulation reductions of big graphs.
Proceedings of the First International Workshop on Graph Data Management Experiences and Systems, 2013

Efficient processing of containment queries on nested sets.
Proceedings of the Joint 2013 EDBT/ICDT Conferences, 2013

What we talk about when we talk about graphs.
Proceedings of the Joint 2013 EDBT/ICDT Conferences, 2013

External memory K-bisimulation reduction of big graphs.
Proceedings of the 22nd ACM International Conference on Information and Knowledge Management, 2013

On Bridging Relational and Document-Centric Data Stores.
Proceedings of the Big Data - 29th British National Conference on Databases, 2013

Bisimulation Reduction of Big Graphs on MapReduce.
Proceedings of the Big Data - 29th British National Conference on Databases, 2013

Search on Graphs: Theory Meets Engineering.
Proceedings of the Web Technologies and Applications - 15th Asia-Pacific Web Conference, 2013

2012
I/O-efficient algorithms for localized bisimulation partition construction and maintenance on massive graphs
CoRR, 2012

Efficient external-memory bisimulation on DAGs.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2012

The Impact of Transitive Closure on the Boolean Expressiveness of Navigational Query Languages on Graphs.
Proceedings of the Foundations of Information and Knowledge Systems, 2012

A Structural Approach to Indexing Triples.
Proceedings of the Semantic Web: Research and Applications, 2012

WIDM 2012: the 12th international workshop on web information and data management.
Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2012

Storing and Indexing Massive RDF Datasets.
Proceedings of the Semantic Search over the Web, 2012

2011
I/O efficient bisimulation partitioning on very large directed acyclic graphs
CoRR, 2011

Efficient RDFS Entailment in External Memory.
Proceedings of the On the Move to Meaningful Internet Systems: OTM 2011 Workshops, 2011

Relative expressive power of navigational querying on graphs.
Proceedings of the Database Theory, 2011

On guarded simulations and acyclic first-order languages.
Proceedings of the Database Programming Languages, 2011

2010
Towards a theory of search queries.
ACM Trans. Database Syst., 2010

Constraint processing in relational database systems: from theory to implementation.
Proceedings of the 2010 ACM Symposium on Applied Computing (SAC), 2010

2009
On the Expressive Power of the Relational Algebra on Finite Sets of Relation Pairs.
IEEE Trans. Knowl. Data Eng., 2009

Towards a General Framework for Effective Solutions to the Data Mapping Problem.
J. Data Semant., 2009

A methodology for coupling fragments of XPath with structural indexes for XML documents.
Inf. Syst., 2009

Education - Human computing skills: rethinking the K-12 experience.
Commun. ACM, 2009

Towards Well-Behaved Schema Evolution.
Proceedings of the 12th International Workshop on the Web and Databases, 2009

Thinking about computational thinking.
Proceedings of the 40th SIGCSE Technical Symposium on Computer Science Education, 2009

Scalable indexing of RDF graphs for efficient join processing.
Proceedings of the 18th ACM Conference on Information and Knowledge Management, 2009

2008
A role-free approach to indexing large RDF data sets in secondary memory for efficient SPARQL evaluation
CoRR, 2008

Indexing Social Semantic Data.
Proceedings of the Poster and Demonstration Session at the 7th International Semantic Web Conference (ISWC2008), 2008

2007
Coupling Fragments of XPath with XML Indexing and Query Decomposition.
Proceedings of the 1st Workshop on Emerging Research Opportunities for Web Data Management (EROW 2007) Collocated with the 11th International Conference on Database Theory (ICDT 2007), 2007

2006
Structural characterizations of the semantics of XPath as navigation tool on a document.
Proceedings of the Twenty-Fifth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, 2006

Data Mapping as Search.
Proceedings of the Advances in Database Technology, 2006

2005
A Calculus for Data Mapping.
Proceedings of the International Workshop on Database Interoperability, 2005

Mapping Between Data Sources on the Web.
Proceedings of the 2005 International Workshop on Challenges in Web Information Retrieval and Integration (WIRI 2005), 2005

Relational data mapping in MIQIS.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2005

Discovering complex mapping expressions with the TUPELO data mapping system.
Proceedings of the first international ACM workshop on Interoperability of Heterogeneous Information Systems (IHIS'05), 2005

The Data Mapping Problem: Algorithmic and Logical Characterizations.
Proceedings of the 21st International Conference on Data Engineering Workshops, 2005

2004
Unstructured Peer-to-Peer Networks: Topological Properties and Search Performance.
Proceedings of the Agents and Peer-to-Peer Computing, Third International Workshop, 2004


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