322 search results - page 28 / 65 » Least Expected Cost Query Optimization: What Can We Expect |
ICDCS
1995
IEEE
14 years 5 days ago
1995
IEEE
nt formal speci cations of a new abstraction, weak sets, which can be used to alleviate high latencies when retrieving data from a wide-area information system like the World Wide...
CORR
2004
Springer
13 years 8 months ago
2004
Springer
We study a general online convex optimization problem. We have a convex set S and an unknown sequence of cost functions c1, c2, . . . , and in each period, we choose a feasible po...
APPROX
2004
Springer
14 years 2 months ago
2004
Springer
In standard property testing, the task is to distinguish between objects that have a property P and those that are ε-far from P, for some ε > 0. In this setting, it is perfec...
ALGOSENSORS
2007
Springer
14 years 19 days ago
2007
Springer
We study the problem of localizing and tracking multiple moving targets in wireless sensor networks, from a network design perspective i.e. towards estimating the least possible n...
SSDBM
2008
IEEE
14 years 3 months ago
2008
IEEE
Increasingly, many data sources appear as online databases, hidden behind query forms, thus forming what is referred to as the deep web. It is desirable to have systems that can pr...