Editorial Board
Guest editorial: Special issue on database theory
Conjunctive query containment over trees
Queries and materialized views on probabilistic databases
Relational completeness of query languages for annotated databases
Succinctness of pattern-based schema languages for XML
Foundations of Semantic Web databases
Data exchange and schema mappings in open and closed worlds
On the finite controllability of conjunctive query answering in databases under open-world assumption
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