159 search results - page 20 / 32 » Performing grouping and aggregate functions in XML queries |
ICSNC
2007
IEEE
14 years 1 months ago
2007
IEEE
RFID data are usually regarded as streaming data that are huge and change frequently because they are gathered continuously by numerous readers. RFID middleware filters the data a...
JUCS
2011
13 years 2 months ago
2011
: In this paper we introduce eXVisXML, a visual tool to explore documents annotated with the mark-up language XML, in order to easily perform over them tasks as knowledge extractio...
XSYM
2010
Springer
13 years 5 months ago
2010
Springer
Recently, there has been much research into the specification of dynamic labeling schemes supporting XML updates. The primary design goal of any dynamic labeling scheme is to limi...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...
ECIR
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. Traditional retrieval models assume that query terms are independent and rank documents primarily based on various term weighting strategies including TF-IDF and document...