159 search results - page 7 / 32 » Performing grouping and aggregate functions in XML queries |
PVLDB
2010
13 years 5 months ago
2010
The goal of a threshold query is to detect all objects whose score exceeds a given threshold. This type of query is used in many settings, such as data mining, event triggering, a...
DATESO
2007
13 years 8 months ago
2007
We address a problem of updating XML documents having their XML schema described by a Document Type Definition (DTD) without breaking their validity. We present a way how to expre...
APWEB
2004
Springer
14 years 24 days ago
2004
Springer
Abstract With the growing importance of XML in data exchange, much research tends to provide a compact labeling scheme and a flexible query facility to extract data from dynamic XM...
IS
2008
13 years 7 months ago
2008
XQuery is a powerful XML query language with many features and syntactic constructs. For many common queries we do not need all the expressive power of XQuery. We investigate the ...
TISSEC
2008
13 years 7 months ago
2008
Hop-by-hop data aggregation is a very important technique for reducing the communication overhead and energy expenditure of sensor nodes during the process of data collection in a...