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MOBISYS
2007
ACM
15 years 9 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 3 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 3 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»
15 years 11 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 2 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