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cs.DB2026
Identifiability of Relational Queries in Multi-View Pretraining
Ratan Bahadur Thapa, Daniel Hernández
When data sources are integrated through a shared interface, a downstream query may or may not be determined by what the interface exposes: two globally consistent worlds can agree…
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.…