157 citations · 202 across the 6 of their papers we have counts for
5 papers · 1 filter
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…
Common Foundations for SHACL, ShEx, and PG-Schema
S. Ahmetaj, I. Boneva, J. Hidders +11
Graphs have emerged as an important foundation for a variety of applications, including capturing and reasoning over factual knowledge, semantic data integration, social networks,…
J-Logic: a Logic for Querying JSON
Jan Hidders, Jan Paredaens, Jan Van den Bussche
We propose a logical framework, based on Datalog, to study the foundations of querying JSON data. The main feature of our approach, which we call J-Logic, is the emphasis on paths.…
SERIMI - Resource Description Similarity, RDF Instance Matching and Interlinking
Samur Araujo, Jan Hidders, Daniel Schwabe +1
The interlinking of datasets published in the Linked Data Cloud is a challenging problem and a key factor for the success of the Semantic Web. Manual rule-based methods are the mos…
Instance-Independent View Serializability for Semistructured Databases
Stijn Dekeyser, Jan Hidders, Jan Paredaens +1
Semistructured databases require tailor-made concurrency control mechanisms since traditional solutions for the relational model have been shown to be inadequate. Such mechanisms n…