550 search results - page 63 / 110 » An Expressive Language for Linear Spatial Database Queries |
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Many data integration solutions in the market today include tools for schema mapping, to help users visually relate elements of different schemas. Schema elements are connected wit...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
This paper addresses the question of updating relational databases through XML views. Using query trees to capture the notions of selection, projection, nesting, grouping, and het...
PODS
2008
ACM
14 years 8 months ago
2008
ACM
We consider the navigational core of XPath, extended with two operators: the Kleene star for taking the transitive closure of path expressions, and a subtree relativisation operat...
SSD
1997
Springer
14 years 26 days ago
1997
Springer
Abstract: In many geographical applications there is a need to model spatial phenomena not simply by sharp objects but rather through indeterminate or vague concepts. To support su...
SERVICES
2008
13 years 10 months ago
2008
Scientific workflows in Life Sciences are usually complex, and use many online databases, analysis tools, publication repositories and customized computation intensive desktop sof...