Currently, only few XML data management systems support concurrent access to an XML document, and if they do, they typically apply variations of hierarchical locking to handle XML...
Data consistency in transactional federations is a key requirement of advanced E-service applications on the Internet, such as electronic auctions or real-estate purchase. Federat...
Several groupware systems support casual real time interaction over distance by providing periodically updated snapshots of other people's offices. People then monitor these ...
This paper proposes a family of replication protocols based on group communication in order to address some of the concerns expressed by database designers regarding existing repl...
Lazy replication is a popular technique for improving the performance and availability of database systems. Although there are concurrency control techniques which guarantee seria...