159 search results - page 2 / 32 » Performing grouping and aggregate functions in XML queries |
W3C
1998
13 years 6 months ago
1998
An important application of XML is the interchange of electronic data (EDI) between multiple data sources on the Web. As XML data proliferates on the Web, applications will need t...
CIKM
2004
Springer
13 years 10 months ago
2004
Springer
Indexing XML is crucial for efficient XML query processing. We propose a compact tree (Ctree) for XML indexing, which provides not only concise path summaries at group level but a...
TKDE
2012
11 years 7 months ago
2012
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...
VLDB
1995
ACM
13 years 9 months ago
1995
ACM
Efficient processing of aggregation queries is essential for decision support applications. This paper describes a class of query transformations, called eager aggregation and lat...
ADC
2005
Springer
13 years 11 months ago
2005
Springer
XML query caching for XML database-backed Web applications began to be investigated recently. However, the issue of how the cached query results are stored has not been addressed ...