159 search results - page 3 / 32 » Performing grouping and aggregate functions in XML queries |
ICDE
2008
IEEE
14 years 7 months ago
2008
IEEE
Aggregation is among the core functionalities of OLAP systems. Frequently, such queries are issued in decision support systems to identify interesting groups of data. When more tha...
EDBT
2004
ACM
14 years 6 months ago
2004
ACM
XML makes data flexible in representation and easily portable on the Web but it also substantially inflates data size as a consequence of using tags to describe data. Although many...
DEXA
2003
Springer
13 years 11 months ago
2003
Springer
XML is rapidly becoming one of the most adopted standard for information representation and interchange over the Internet. With the proliferation of mobile devices of communication...
SOSP
2009
ACM
14 years 3 months ago
2009
ACM
Data-intensive applications are increasingly designed to execute on large computing clusters. Grouped aggregation is a core primitive of many distributed programming models, and i...
BNCOD
2003
13 years 7 months ago
2003
In this paper we describe a query paradigm based on ontologies, aggregate table-driven querying and expansion of QBE. It has two novel features: visually specifying aggregate table...