52 search results - page 4 / 11 » Optimization of continuous queries with shared expensive fil... |
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
The continuous intersection join query is computationally expensive yet important for various applications on moving objects. No previous study has particularly addressed this que...
SSD
2007
Springer
14 years 2 months ago
2007
Springer
In the k-medoid problem, given a dataset P, we are asked to choose k points in P as the medoids. The optimal medoid set minimizes the average Euclidean distance between the points ...
PVLDB
2010
13 years 7 months ago
2010
Prediction is emerging as an essential ingredient for real-time monitoring, planning and decision support applications such as intrusion detection, e-commerce pricing and automate...
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
VLDB
1998
ACM
14 years 22 days ago
1998
ACM
Approximate predicates can be used to reduce the number of comparisons made by expensive, complex predicates. For example, to check if a point is within a region (expensive predic...