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COMPGEOM
2010
ACM
15 years 11 months ago
The 2-center problem in three dimensions
Let P be a set of n points in R3 . The 2-center problem for P is to find two congruent balls of the minimum radius whose union covers P. We present two randomized algorithms for ...
Pankaj K. Agarwal, Rinat Ben Avraham, Micha Sharir
ACNS
2005
Springer
97views Cryptology» more  ACNS 2005»
16 years 8 days ago
Thompson's Group and Public Key Cryptography
Recently, several public key exchange protocols based on symbolic computation in non-commutative (semi)groups were proposed as a more efficient alternative to well established prot...
Vladimir Shpilrain, Alexander Ushakov
ICDE
2008
IEEE
124views Database» more  ICDE 2008»
16 years 8 months ago
Toward Expressive and Scalable Sponsored Search Auctions
Internet search results are a growing and highly profitable advertising platform. Search providers auction advertising slots to advertisers on their search result pages. Due to the...
David J. Martin, Johannes Gehrke, Joseph Y. Halper...
ASIAMS
2007
IEEE
16 years 1 months ago
Modified Line Search Method for Global Optimization
This paper introduces a modified version of the well known global optimization technique named line search method. The modifications refer to the way in which the direction and th...
Crina Grosan, Ajith Abraham
ISCC
2006
IEEE
123views Communications» more  ISCC 2006»
16 years 22 days ago
Similarity Search in a Hybrid Overlay P2P Network
P2P systems are increasingly used to discover and share various data between users. The performance of a P2P based information retrieval system is determined by the efficiency of...
Mouna Kacimi, Kokou Yétongnon