210 search results - page 32 / 42 » Complex Group-By Queries for XML |
BNCOD
2003
13 years 10 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...
DOCENG
2006
ACM
14 years 2 months ago
2006
ACM
XPath is the standard declarative language for navigating XML data and returning a set of matching nodes. In the context of XSLT/XQuery analysis, query optimization, and XML type ...
EDBTW
2006
Springer
14 years 10 days ago
2006
Springer
Abstract. Algorithms for processing Structural Joins embody essential building blocks for XML query evaluation. Their design is a difficult task, because they have to satisfy many ...
XSYM
2004
Springer
14 years 2 months ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
ERCIMDL
1999
Springer
14 years 28 days ago
1999
Springer
This paper describes the production of an educational multimedia CD-ROM about French rural houses and farms, and how to renovate them without losing their traditional features. Th...