7593 search results - page 30 / 1519 » Querying XML Databases |
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
This paper investigates a class of transform queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update syntax. When posed on an XML tree T, it ret...
DASFAA
2008
IEEE
13 years 10 months ago
2008
IEEE
An important issue arising from XML query relaxation is how to efficiently search the top-k best answers from a large number of XML data sources, while minimizing the searching cos...
DASFAA
2004
IEEE
14 years 7 days ago
2004
IEEE
Abstract. We consider the problem of accurately estimating the number of approximate XML answers for a given query, and propose an efficient method that (1) accurately computes sel...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
This paper addresses the question of updating relational databases through XML views. Using query trees to capture the notions of selection, projection, nesting, grouping, and het...
WWW
2006
ACM
14 years 9 months ago
2006
ACM
In this paper, we proposed an online algorithm, called FQT-Stream (Frequent Query Trees of Streams), to mine the set of all frequent tree patterns over a continuous XML data strea...