Fourth International Workshop on Querying Graph Structured Data

27 March 2015, Brussels, Belgium

GraphQ 2015 & LWDM 2015 Joint Program

Friday, March 27

9:00 - 9:15 Opening: GraphQ & LWDM 2015 joint presentation

9:15 - 10:30 Paper Session I: Query processing & optimization

  • An Extensible Framework for Query Optimization on TripleT-based RDF Stores

Bart G. J. Wolff, George H. L. Fletcher and James J. Lu.

  • Using Graph Traversal in Scientific Data Interpolation

Alireza Rezaei Mahidraji and Peter Baumann.

  • A Parallel Tree Pattern Query Processing Algorithm for Graph Databases using a GPGPU

Oded Shmueli and Lila Shnaiderman.

10:30 Coffee break

11:00 - 12:30 Paper Session II: Query languages & algebras

  • Towards an RDF validation language based on Regular Expression derivatives

Jose Emilio Labra Gayo, Eric Prud'Hommeaux, Slawek Staworko and Harold Solbrig.

  • RDF Constraint Checking

Peter M. Fischer, Georg Lausen, Alexander Schätzle and Michael Schmidt.

  • Implementing Flexible Operators for Regular Path Queries

Petra Selmer, Alexandra Poulovassilis and Peter Wood.

  • Beta-Algebra: Towards a Relational Algebra for Graph Analysis

Luiz Gomes-Jr, Bernd Amann and André Santanchè.

12:30 Lunch

14:00 - 15:30 Paper Session III: Data integration & exchange

  • Peer-to-peer Semantic Integration of Linked Data

Mirko Michele Dimartino, Andrea Calì, Alexandra Poulovassilis and Peter Wood.

  • Interpreting Linked Data Search Results Using Markov Logic

Duhai Alshukaili, Alvaro A.A. Fernandes and Norman W. Paton.

  • Graph Search of Software Models Using Multidimensional Scaling

Bojana Bislimovska, Güneş Aluç, Tamer Özsu and Piero Fraternali.

  • Graph Data Exchange with Target Constraints

Iovka Boneva, Angela Bonifati and Radu Ciucanu.

15:30 Coffee break

16:00 - 17:30 Paper Session IV: Applications

  • TripleGeo-CSW: A Middleware for Exposing Geospatial Catalogue Services on the Semantic Web

Spiros Athanasiou, Nikos Georgomanolis, Kostas Patroumpas, Michail Alexakis and Thodoris Stratiotis.

  • Frequent Subgraph Mining from Streams of Linked Graph Structured Data

Alfredo Cuzzocrea, Fan Jiang and Carson K. Leung.

  • Topic Detection Using a Critical Term Graph on News-Related Tweets

Paraskevas Tsantarliotis and Evaggelia Pitoura.

  • Graph Databases and Railway Operations Research Requirements

Alexander Kuckelberg.

17:30 Closing