Different models have been proposed recently for representing temporal data, tracking historical information, and recovering the state of the document as of any given time, in XM...
Alberto O. Mendelzon, Flavio Rizzolo, Alejandro A....
The convergence of the Grid and Peer-to-Peer (P2P) worlds has led to many solutions that try to efficiently solve the problem of resource discovery on Grids. Some of these solutio...
Most extensibledatabasesystemssupportaddition of new indexes or new data types. However, the referencepatterns exhibited by these new indexes may not be efficiently supportedby ex...
Reachability queries on large directed graphs have attracted much attention recently. The existing work either uses spanning structures, such as chains or trees, to compress the c...
Grid applications need efficient access to information about available resources and services. Typically, this access is provided by information services that are often organized ...