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GIS
2002
ACM
13 years 8 months ago
2002
ACM
The proliferation of spatial data on the Internet is beginning to allow a much wider access to data currently available in various Geographic Information Systems (GIS). In order t...
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...
CSR
2007
Springer
14 years 2 months ago
2007
Springer
Traditionally, data that has both linear and hierarchical structure, such as annotated linguistic data, is modeled using ordered trees and queried using tree automata. In this pap...
ICDE
1997
IEEE
14 years 10 months ago
1997
IEEE
A mediator is a domain-speci c tool to support uniform access to multiple heterogeneous information sources and to abstract and combine data from different but related databases t...
BMCBI
2007
13 years 8 months ago
2007
Background: Information resources on the World Wide Web play an indispensable role in modern biology. But integrating data from multiple sources is often encumbered by the need to...