3 papers
cs.DB2026
Transforming Shape Schemas with Composable Property-Graph Queries (Extended Version)
Philipp Seifer, Daniel Hernández, Ralf Lämmel +1
Property graphs may be constrained by schemas that inform both query engines and human users about the shape of valid data, enforcing a contract between data provider and consumer.…
cs.SE2026
Web-Native Graphical EMF Model Editors
Susanne Göbel, Ralf Lämmel
Graphical model editing is shifting from desktop applications to web-based tools. We analyze the characteristics of existing frameworks and, based on this analysis, we derive a set…
cs.AI2024
eSPARQL: Representing and Reconciling Agnostic and Atheistic Beliefs in RDF-star Knowledge Graphs
Xinyi Pan, Daniel Hernández, Philipp Seifer +2
Over the past few years, we have seen the emergence of large knowledge graphs combining information from multiple sources. Sometimes, this information is provided in the form of as…