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HPCA
2001
IEEE
16 years 7 months ago
JETTY: Filtering Snoops for Reduced Energy Consumption in SMP Servers
We propose methods for reducing the energy consumed by snoop requests in snoopy bus-based symmetric multiprocessor (SMP) systems. Observing that a large fraction of snoops do not ...
Andreas Moshovos, Gokhan Memik, Babak Falsafi, Alo...
CHI
2002
ACM
16 years 7 months ago
Hubbub: a sound-enhanced mobile instant messenger that supports awareness and opportunistic interactions
There have been many attempts to support awareness and lightweight interactions using video and audio, but few have been built on widely available infrastructure. Text-based syste...
Ellen Isaacs, Alan Walendowski, Dipti Ranganthan
CHI
2001
ACM
16 years 7 months ago
The notification collage: posting information to public and personal displays
The Notification Collage (NC) is a groupware system where distributed and co-located colleagues comprising a small community post media elements onto a real-time collaborative sur...
Saul Greenberg, Michael Rounding
STOC
2005
ACM
93views Algorithms» more  STOC 2005»
16 years 7 months ago
Representing hard lattices with O(n log n) bits
We present a variant of the Ajtai-Dwork public-key cryptosystem where the size of the public-key is only O(n log n) bits and the encrypted text/clear text ratio is also O(n log n)...
Miklós Ajtai
STOC
2003
ACM
130views Algorithms» more  STOC 2003»
16 years 7 months ago
A tight bound on approximating arbitrary metrics by tree metrics
In this paper, we show that any n point metric space can be embedded into a distribution over dominating tree metrics such that the expected stretch of any edge is O(log n). This ...
Jittat Fakcharoenphol, Satish Rao, Kunal Talwar
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