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GIS
2004
ACM
16 years 26 days ago
Supporting spatial aggregation in sensor network databases
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
Mehdi Sharifzadeh, Cyrus Shahabi
CONEXT
2009
ACM
14 years 9 months ago
Lockr: better privacy for social networks
Today's online social networking (OSN) sites do little to protect the privacy of their users' social networking information. Given the highly sensitive nature of the inf...
Amin Tootoonchian, Stefan Saroiu, Yashar Ganjali, ...
TKDE
1998
139views more  TKDE 1998»
14 years 11 months ago
Distributed Optimistic Concurrency Control Methods for High-Performance Transaction Processing
—There is an ever-increasing demand for more complex transactions and higher throughputs in transaction processing systems leading to higher degrees of transaction concurrency an...
Alexander Thomasian
SIGMOD
2002
ACM
236views Database» more  SIGMOD 2002»
15 years 12 months ago
The Cougar Approach to In-Network Query Processing in Sensor Networks
The widespread distribution and availability of smallscale sensors, actuators, and embedded processors is transforming the physical world into a computing platform. One such examp...
Yong Yao, Johannes Gehrke
MOBISYS
2007
ACM
15 years 11 months ago
Surface street traffic estimation
In this paper, we propose a simple yet effective method of identifying traffic conditions on surface streets given location traces collected from on-road vehicles--this requires o...
Jungkeun Yoon, Brian Noble, Mingyan Liu