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NCA
2006
IEEE
14 years 29 days ago
A Flexible Replication Mechanism with Extended Database Connection Layers
It is vital to achieve a disaster recovery system that allows a backup site to take over a primary site’s IT services while the primary site is down. We propose a flexible repli...
Nobutatsu Nakamura, Ken-ichiro Fujiyama, Eiji Kawa...
EDBT
2011
ACM
209views Database» more  EDBT 2011»
12 years 10 months ago
An optimal strategy for monitoring top-k queries in streaming windows
Continuous top-k queries, which report a certain number (k) of top preferred objects from data streams, are important for a broad class of real-time applications, ranging from fi...
Di Yang, Avani Shastri, Elke A. Rundensteiner, Mat...
ICDE
2010
IEEE
282views Database» more  ICDE 2010»
14 years 6 months ago
Quantile-Based KNN Over Multi-Valued Objects
K Nearest Neighbor search has many applications including data mining, multi-media, image processing, and monitoring moving objects. In this paper, we study the problem of KNN over...
Wenjie Zhang, Xuemin Lin, Muhammad Aamir Cheema, Y...
DEXAW
2004
IEEE
123views Database» more  DEXAW 2004»
13 years 10 months ago
Self-Adaptive and Self-Optimising Resource Monitoring for Dynamic Grid Environments
As the number of resources on the Grid tends to be very dynamic and potentially large, it becomes increasingly important to discover and monitor them efficiently. This paper conce...
Helene N. Lim Choi Keung, Justin R. D. Dyson, Step...
DASFAA
2010
IEEE
213views Database» more  DASFAA 2010»
13 years 10 months ago
Efficient Algorithms to Monitor Continuous Constrained k Nearest Neighbor Queries
Abstract. Continuous monitoring of spatial queries has received significant research attention in the past few years. In this paper, we propose two efficient algorithms for the con...
Mahady Hasan, Muhammad Aamir Cheema, Wenyu Qu, Xue...