41 search results - page 8 / 9 » Efficient Approximate Visibility Query in Large Dynamic Envi... |
SIGMOD
2009
ACM
14 years 5 months ago
2009
ACM
Existing work in the skyline literature focuses on optimizing the processing cost. This paper aims at minimization of the communication overhead in client-server architectures, wh...
IEEECIT
2006
IEEE
13 years 11 months ago
2006
IEEE
Concurrently with fast development of location aware technologies, many applications have been developing to exploit location data for serving people. However, a main challenge in...
SIGMOD
2009
ACM
14 years 5 months ago
2009
ACM
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
DATAMINE
2006
13 years 5 months ago
2006
Clipping is the process of transforming a real valued series into a sequence of bits representing whether each data is above or below the average. In this paper, we argue that clip...
VLDB
2004
ACM
13 years 11 months ago
2004
ACM
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...