Announcement: Volume 4, Issue 2 of TGDK published

Dear all,

We are pleased to announce the publication of the Special Issue on Data 
Management for (Knowledge) Graphs [Volume 4, Issue 2] of Transactions on 
Graph Data and Knowledge (TGDK), with the following eight articles:

* How Human-Centric Are Our Graph Data Abstractions? [Position]
 Angela Bonifati, Anastasia Dimou, Stefania Dumbrava, George Fletcher, 
Katja Hose, George Konstantinidis, Jose Emilio Labra Gayo, Wim Martens, 
Nina Pardal, Liat Peterfreund, Katherine Thornton, Maria-Esther Vidal, 
and Hannes Voigt

* Transforming Shape Schemas with Composable Property-Graph Queries 
[Research]
 Philipp Seifer, Daniel Hernández, Ralf Lämmel, and Steffen Staab

* Multi-Layered Legislative Knowledge Management with Property Graphs 
[Research]
 Andrea Colombo, Francesco Cambria, and Francesco Invernici

* Towards a Theory of Façade-X Data Access: Satisfiability of SPARQL 
Basic Graph Patterns [Research]
 Luigi Asprino and Enrico Daga

* OM4OV: Leveraging Ontology Matching for Ontology Versioning [Research]
 Zhangcheng Qiang, Kerry Taylor, and Weiqing Wang

* Logica-TGD: Transforming Graph Databases Logically [Resource]
 Evgeny Skvortsov, Yilin Xia, Bertram Ludäscher, and Shawn Bowers

* GeoSPARQL and SPARQL Benchmarking with GeoRDFBench Framework [Resource]
 Theofilos Ioannidis, Nikos Mamoulis, and Manolis Koubarakis

* BLINKG: A Benchmark for LLM-Integrated Knowledge Graph Generation 
[Resource]
 Carla Castedo, Enrique Iglesias, Manuel Lama, Alberto Bugarín-Diz, 
Maria-Esther Vidal, and David Chaves-Fraga

As always, TGDK articles are published under Diamond Open Access (no 
fees for authors or readers), with this newest issue available at the 
following link:

     https://drops.dagstuhl.de/entities/issue/TGDK-volume-4-issue-2

Diamond OA is made possible via our ongoing collaboration with Dagstuhl 
Publishing, and funding from SWSA.

We also give a very special thanks to the Guest Editors of this Special 
Issue: Stefania Dumbrava, George Fletcher, Matteo Lissandrini, Riccardo 
Tommasini. Many thanks also to those who helped review these articles, 
and congratulations to the authors!

We hope you enjoy these articles.

For more information about TGDK, please see:

     https://www.dagstuhl.de/tgdk

Best regards,
Aidan, Andreas, Kerry, Markus, Uli
TGDK Editors-in-Chief

Received on Thursday, 3 September 2026 14:31:55 UTC