With the wide adoption of XML as a standard data representation and exchange format, querying XML documents becomes increasingly important. However, relational database systems co...
Transaction time is the time of a database transaction, i.e., an insertion, update, or deletion. A transactiontime database stores the transaction-time history of a database and s...
There have been several techniques proposed for building statistics for static XML data. However, very little work has been done in the area of building XML statistics for data so...
Information in today’s enterprises commonly resides in a variety of heterogeneous data sources, including relational databases, web services, files, packaged applications, and c...
The database community is on a constant quest for better integration of data management and knowledge management. Recently, with the increasing use of ontology in various applicat...