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MOBISYS
2007
ACM
15 years 11 months ago
Improving mobile database access over wide-area networks without degrading consistency
We report on the design, implementation, and evaluation of a system called Cedar that enables mobile database access with good performance over low-bandwidth networks. This is acc...
Niraj Tolia, Mahadev Satyanarayanan, Adam Wolbach
ACMACE
2006
ACM
15 years 5 months ago
Open experiments of mobile sightseeing support systems with shared virtual worlds
In this paper, we describe results from the experiments of a location-dependent shared virtual world system applied to sightseeing entertainment. This system can be used with GPSp...
Hiroyuki Tarumi, Kayo Yokoo, Shouji Nishimoto, Kaz...
PPOPP
2005
ACM
15 years 5 months ago
Fault tolerant high performance computing by a coding approach
As the number of processors in today’s high performance computers continues to grow, the mean-time-to-failure of these computers are becoming significantly shorter than the exe...
Zizhong Chen, Graham E. Fagg, Edgar Gabriel, Julie...
ICDE
2008
IEEE
188views Database» more  ICDE 2008»
16 years 1 months ago
Efficient Aggregate Computation over Data Streams
Abstract-- Cisco's NetFlow Collector (NFC) is a powerful example of a real-world product that supports multiple aggregate queries over a continuous stream of IP flow records. ...
Kanthi Nagaraj, K. V. M. Naidu, Rajeev Rastogi, Sc...
PODS
2000
ACM
146views Database» more  PODS 2000»
15 years 4 months ago
Analysis and Application of Adaptive Sampling
An estimation algorithm for a query is a probabilistic algorithm that computes an approximation for the size (number of tuples) of the query. One class of estimation algorithms us...
James F. Lynch