241 search results - page 32 / 49 » Buffering in query evaluation over XML streams |
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Holistic twig join algorithm has showed its superiorit...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
Many algorithms have been proposed to approximate holistic aggregates, such as quantiles and heavy hitters, over data streams. However, little work has been done to explore what t...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
XML languages, such as XQuery, XSLT and SQL/XML, employ XPath as the search and extraction language. XPath expressions often define complicated navigation, resulting in expensive...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
In order to support continuous queries over data streams, a plethora of suitable techniques as well as prototypes have been developed and evaluated in recent years. In particular,...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
In this paper, we address the problem of extending a relational database system to facilitate efficient real-time application of dynamic probabilistic models to streaming data. he ...