ST4DM 2026 Workshop: Submission Deadline Extended

Deadline Extension: 2nd International Workshop on Semantic Technologies 
for Data Management (ST4DM 2026)

Important dates (all dates are Anywhere on Earth - AoE):
Paper submission: 8 May 2026 (extended)
Author notification: 28 May 2026
Workshop Date: 18 July 2026

Location and Date: Lisbon (Portugal) on July 18, as part of FLoC 2026.

Topics of Interest: This workshop solicits contributions that advance 
the theory, systems, and applications of semantic technologies for data 
management. Topics of interest include, but are not limited to:

- Knowledge Graphs (KGs) and Virtual Knowledge Graphs (VKGs) / 
Ontology-Based Data Access (OBDA)
- Ontology-mediated query answering, query rewriting, and 
complexity/tractability results
- (V)KG construction, refinement, enrichment,and schema/mapping design 
Provenance, explainability, and accountability for (V)KG query answers
- Ontologies, metadata vocabularies, and standards (OWL/RDF/R2RML/SHACL)
- Temporal, spatial, and other non-standard KG modalities
- Performance, scalability, distributed execution, and security for (V)KGs
- Evolution, updates, and preservation of (V)KGs (consistency and 
incremental reasoning)
- Intersections with machine learning, neural symbolic methods, and 
LLM-augmented pipelines
- (V)KG analytics, benchmarking, and evaluation methodologies

Submission Types:
- Full research papers: Up to 14 pages, including the bibliography, with 
a minimum length of 10 pages.
- Short papers: Up to 9 pages, including the bibliography, with a 
minimum length of 5 pages.
- Extended Abstracts: 2-5 pages, including the bibliography. These 
submissions will not be included in the formal proceedings. If the 
submission is based on a paper accepted or under review at another 
venue, the authors must clearly state the venue and the paper's status. 
The title of the submission must include the phrase "(Extended Abstract)"

Submission Link: https://submissions.floc26.org/st4dm/paper/new

Workshop chairs:
Davide Lanti, Free University of Bozen-Bolzano, Italy
Martin Giese, University of Oslo, Norway
Federico Maria Scafoglieri, University of Rome La Sapienza, Italy
Roman Kontchakov, Birkbeck University of London, UK
Alessandro Mosca, Italian National Research Council (CNR), Italy
Guohui Xiao, Southeast University, China

Link: https://sites.google.com/diag.uniroma1.it/st4dm2026/