The class of unions of conjunctive queries (UCQ) has been shown to be particularly well-behaved for data exchange; its certain answers can be computed in polynomial time (in terms...
Facility layouts of existing or proposed production systems often form the basis of a dynamic simulation study to prove the design concept and to determine if the required through...
Current communications tools and libraries for high performance computing are designed for platforms and applications that exhibit relatively stable computational and communicatio...
In XML data exchange, a schema mapping specifies rules for restructuring a source document under the target schema, and queries over the target document must be answered in a way...
Shunichi Amano, Claire David, Leonid Libkin, Filip...
The World Wide Web is a medium for publishing data used by collaborating groups and communities of shared interest. This paper proposes mechanisms to support the accuracy and auth...