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PVLDB
2008
126views more  PVLDB 2008»
13 years 10 months ago
Parallelizing query optimization
Many commercial RDBMSs employ cost-based query optimization exploiting dynamic programming (DP) to efficiently generate the optimal query execution plan. However, optimization tim...
Wook-Shin Han, Wooseong Kwak, Jinsoo Lee, Guy M. L...
GIS
2010
ACM
13 years 9 months ago
Decentralized querying of topological relations between regions without using localization
This paper proposes an efficient, decentralized algorithm for determining the topological relationship between two regions monitored by a geosensor network. Many centralized algo...
Matt Duckham, Myeong Hun Jeong, Sanjiang Li, Joche...
INFOCOM
2010
IEEE
13 years 9 months ago
Scalable NIDS via Negative Pattern Matching and Exclusive Pattern Matching
i In this paper, we identify the unique challenges in deploying parallelism on TCAM-based pattern matching for Network Intrusion Detection Systems (NIDSes). We resolve two critica...
Kai Zheng, Xin Zhang, Zhiping Cai, Zhijun Wang, Ba...
INFOCOM
2010
IEEE
13 years 9 months ago
Improving QoS in BitTorrent-like VoD Systems
—In recent years a number of research efforts have focused on effective use of P2P-based systems in providing large scale video streaming services. In particular, live streaming ...
Yan Yang, Alix L. H. Chow, Leana Golubchik, Daniel...
ITIIS
2010
137views more  ITIIS 2010»
13 years 9 months ago
Improving the Availability of Scalable on-demand Streams by Dynamic Buffering on P2P Networks
In peer-to-peer (P2P) on-demand streaming networks, the alleviation of server load depends on reciprocal stream sharing among peers. In general, on-demand video services enable cl...
Chow-Sing Lin