550 search results - page 18 / 110 » An Expressive Language for Linear Spatial Database Queries |
ICDT
2005
ACM
14 years 1 months ago
2005
ACM
The existence of a language expressing precisely the PTIME queries on arbitrary structures remains the central open problem in the theory of database query languages. As it turns o...
PODS
2001
ACM
14 years 7 months ago
2001
ACM
The need to search for complex and recurring patterns in database sequences is shared by many applications. In this paper, we discuss how to express and support efficiently sophis...
SOFSEM
2004
Springer
14 years 26 days ago
2004
Springer
Abstract. Research on processing XML documents gained much activity in recent times. XML query languages are mostly based on XPath expressions, which are used to select parts of XM...
ADC
2008
Springer
14 years 1 months ago
2008
Springer
Several XML query languages have been proposed that use XPath expressions to locate data. But XPath expressions might miss some data because of irregularities in the data and sche...
BMCBI
2004
13 years 7 months ago
2004
Background: Modern developmental biology relies heavily on the analysis of embryonic gene expression patterns. Investigators manually inspect hundreds or thousands of expression p...