OpenDocument and Open XML are both new open file formats for office documents. OpenDocument is an ISO standard, promoted by OpenOffice.org and Sun StarOffice. Open XML is the new f...
XML Schema awareness has been an integral part of the XQuery language since its early design stages. Matching XML data against XML types is the main operation that backs up XQuery...
The popularity of XML has motivated the development of novel XML processing tools many of which embed the XPath language for XML querying, transformation, constraint specificatio...
John W. S. Liu, Mariano P. Consens, Flavio Rizzolo
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
In this paper, we study the problem of effective keyword search over XML documents. We begin by introducing the notion of Valuable Lowest Common Ancestor (VLCA) to accurately and ...