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PVLDB
2008
154views more  PVLDB 2008»
13 years 7 months ago
Indexing land surface for efficient kNN query
The class of k Nearest Neighbor (kNN) queries is frequently used in geospatial applications. Many studies focus on processing kNN in Euclidean and road network spaces. Meanwhile, ...
Cyrus Shahabi, Lu-An Tang, Songhua Xing
IFIP
2001
Springer
14 years 2 days ago
Security Documentation
Effective security management depends upon good risk management, which is itself based upon a reliable risk assessment, involving data collection of all the facets influencing sys...
Lam-for Kwok, Peggy P. K. Fung, Dennis Longley
P2P
2005
IEEE
137views Communications» more  P2P 2005»
14 years 1 months ago
The Essence of P2P: A Reference Architecture for Overlay Networks
The success of the P2P idea has created a huge diversity of approaches, among which overlay networks, for example, Gnutella, Kazaa, Chord, Pastry, Tapestry, P-Grid, or DKS, have r...
Karl Aberer, Luc Onana Alima, Ali Ghodsi, Sarunas ...
FOCS
2008
IEEE
14 years 2 months ago
Dynamic Connectivity: Connecting to Networks and Geometry
Dynamic connectivity is a well-studied problem, but so far the most compelling progress has been confined to the edge-update model: maintain an understanding of connectivity in a...
Timothy M. Chan, Mihai Patrascu, Liam Roditty
UAI
2003
13 years 9 months ago
On the Convergence of Bound Optimization Algorithms
Many practitioners who use EM and related algorithms complain that they are sometimes slow. When does this happen, and what can be done about it? In this paper, we study the gener...
Ruslan Salakhutdinov, Sam T. Roweis, Zoubin Ghahra...