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SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Conditional functional dependencies (CFDs) have recently been proposed as extensions of classical functional dependencies that apply to a certain subset of the relation, as specif...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Labeling schemes lie at the core of query processing for many XML database management systems. Designing labeling schemes for dynamic XML documents is an important problem that ha...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
Nearest neighbor (NN) search in high dimensional space is an important problem in many applications. Ideally, a practical solution (i) should be implementable in a relational data...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
This paper addresses the problem of monitoring the k nearest neighbors to a dynamically changing path in road networks. Given a destination where a user is going to, this new quer...