52 search results - page 10 / 11 » Approximating sensor network queries using in-network summar... |
PVLDB
2008
13 years 4 months ago
2008
Summaries of massive data sets support approximate query processing over the original data. A basic aggregate over a set of records is the weight of subpopulations specified as a ...
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...
EDBT
2008
ACM
14 years 5 months ago
2008
ACM
Sensor networks have been widely used to collect data about the environment. When analyzing data from these systems, people tend to ask exploratory questions--they want to find su...
AAAI
2007
13 years 7 months ago
2007
In many sensing applications we must continuously gather information to provide a good estimate of the state of the environment at every point in time. A robot may tour an environ...
ICDT
2010
ACM
14 years 2 months ago
2010
ACM
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...