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            <p><font size="4" face="monospace">Deadline Extension: 2nd
                International Workshop on Semantic Technologies for Data
                Management (ST4DM 2026)<br>
                <br>
                Important dates (all dates are Anywhere on Earth - AoE):<br>
                Paper submission: 8 May 2026 (extended)<br>
                Author notification: 28 May 2026<br>
                Workshop Date: 18 July 2026<br>
                <br>
                Location and Date: Lisbon (Portugal) on July 18, as part
                of FLoC 2026.<br>
                <br>
                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:<br>
                <br>
                - Knowledge Graphs (KGs) and Virtual Knowledge Graphs
                (VKGs) / Ontology-Based Data Access (OBDA)<br>
                - Ontology-mediated query answering, query rewriting,
                and complexity/tractability results<br>
                - (V)KG construction, refinement, enrichment,and
                schema/mapping design Provenance, explainability, and
                accountability for (V)KG query answers<br>
                - Ontologies, metadata vocabularies, and standards
                (OWL/RDF/R2RML/SHACL)<br>
                - Temporal, spatial, and other non-standard KG
                modalities<br>
                - Performance, scalability, distributed execution, and
                security for (V)KGs<br>
                - Evolution, updates, and preservation of (V)KGs
                (consistency and incremental reasoning)<br>
                - Intersections with machine learning, neural symbolic
                methods, and LLM-augmented pipelines<br>
                - (V)KG analytics, benchmarking, and evaluation
                methodologies<br>
                <br>
                Submission Types: <br>
                - Full research papers: Up to 14 pages, including the
                bibliography, with a minimum length of 10 pages.<br>
                - Short papers: Up to 9 pages, including the
                bibliography, with a minimum length of 5 pages.<br>
                - 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)"<br>
                <br>
                Submission Link: <a moz-do-not-send="true" href="https://submissions.floc26.org/st4dm/paper/new" class="moz-txt-link-freetext">https://submissions.floc26.org/st4dm/paper/new</a><br>
                <br>
                Workshop chairs:<br>
                Davide Lanti, Free University of Bozen-Bolzano, Italy<br>
                Martin Giese, University of Oslo, Norway<br>
                Federico Maria Scafoglieri, University of Rome La
                Sapienza, Italy<br>
                Roman Kontchakov, Birkbeck University of London, UK<br>
                Alessandro Mosca, Italian National Research Council
                (CNR), Italy<br>
                Guohui Xiao, Southeast University, China<br>
                <br>
                Link: <a moz-do-not-send="true" href="https://sites.google.com/diag.uniroma1.it/st4dm2026/" class="moz-txt-link-freetext">https://sites.google.com/diag.uniroma1.it/st4dm2026/</a></font></p>
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