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GIS
2007
ACM
13 years 11 months ago
2007
ACM
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...
ICDT
2012
ACM
11 years 10 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
ECLIPSE
2005
ACM
13 years 9 months ago
2005
ACM
One of the reasons why large-scale software development is difficult is the number of dependencies that software engineers need to face: e.g., dependencies among the software comp...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
Social bookmarking systems and their emergent information structures, known as folksonomies, are increasingly important data sources for Semantic Web applications. A key question ...
EACL
1989
ACL Anthology
13 years 9 months ago
1989
ACL Anthology
This paper describes some of the features of a sophisticated language and environment designed for experimentation with unification-oriented linguistic descriptions. The system, w...