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cs.DB2026
The KG-ER Conceptual Schema Language
Enrico Franconi, Benoît Groz, Jan Hidders +4
We propose KG-ER, a conceptual schema language for knowledge graphs that describes the structure of knowledge graphs independently of their representation (relational databases, pr…
cs.DB2026
On the generic information capacity of relational schemas with a single binary relation
Benoît Groz, Jan Hidders, Nina Pardal +2
We consider database schemas consisting of a single binary relation, with key constraints and inclusion dependencies. Over this space of 20 schemas, we completely characterize when…