Partial evaluation has recently proven an effective technique for evaluating Boolean XPath
queries over a fragmented tree that is distributed over a number of sites. What left open is …

This article proposes algorithms for evaluating XPath queries over an XML tree that is
partitioned horizontally and vertically, and is distributed across a number of sites. The key …

Experience with relational systems has shown that distribution is an effective way of
improving the scalability of query evaluation. In this paper, we show how distributed query …

Distributing data collections by fragmenting them is an effective way of improving the
scalability of a database system. While the distribution of relational data is well understood …

Applications that manage semi-structured data are becoming increasingly commonplace.
Current approaches for storing semi-structured data use existing storage machinery; they …

Distributing data collections by fragmenting them is an effective way of improving the
scalability of a database system. While the distribution of relational data is well understood …

In an XML Data Store (XDS), importing documents from external sources is a very frequent
operation. Because a document import consists of a large number of individual node inserts …

As XML (eXtensible Mark-up Language) is gaining its popularity in data exchange over the
Web, querying XML data has become an important issue to be addressed. In native XML …

In the second half of the 20th century, the need for a standard for database management
systems was growing. In 1970, Edgar Codd has laid down the foundation to databases …

The Extensible Markup Language (XML)[10] has attracted significant research interest due
to its expanding use in various applications. Proposed as a simple syntax with flexibility …