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FOCS
2007
IEEE
16 years 15 days ago
A Primal-Dual Randomized Algorithm for Weighted Paging
In the weighted paging problem there is a weight (cost) for fetching each page into the cache. We design a randomized O(log k)-competitive online algorithm for the weighted paging...
Nikhil Bansal, Niv Buchbinder, Joseph Naor
GECCO
2007
Springer
160views Optimization» more  GECCO 2007»
16 years 10 days ago
Hill climbing on discrete HIFF: exploring the role of DNA transposition in long-term artificial evolution
We show how a random mutation hill climber that does multilevel selection utilizes transposition to escape local optima on the discrete Hierarchical-If-And-Only-If (HIFF) problem....
Susan Khor
MINENET
2006
ACM
16 years 3 days ago
SC2D: an alternative to trace anonymization
Progress in networking research depends crucially on applying novel analysis tools to real-world traces of network activity. This often conflicts with privacy and security requir...
Jeffrey C. Mogul, Martin F. Arlitt
MM
2006
ACM
197views Multimedia» more  MM 2006»
16 years 3 days ago
Virtual observers in a mobile surveillance system
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
Stewart Greenhill, Svetha Venkatesh
MMSEC
2006
ACM
231views Multimedia» more  MMSEC 2006»
16 years 3 days ago
JPEG2000-based secure image authentication
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...
Mathias Schlauweg, Dima Pröfrock, Erika M&uum...