210 search results - page 11 / 42 » Complex Group-By Queries for XML |
SYRCODIS
2008
13 years 10 months ago
2008
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
WWW
2004
ACM
14 years 9 months ago
2004
ACM
This paper presents a system for efficient data transformations between XML and relational databases, called XML Data Mediator (XDM). XDM enables the transformation by externalizi...
VLDB
2002
ACM
14 years 8 months ago
2002
ACM
: Purpose ? Tree pattern is at the core of XML queries. The tree patterns in XML queries typically contain redundancies, especially when broad integrity constraints (ICs) are prese...
DOLAP
2004
ACM
14 years 2 months ago
2004
ACM
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
We present ViteX, an XPath processing system on XML streams with polynomial time complexity. ViteX uses a polynomial-space data structure to encode an exponential number of patter...