67 search results - page 2 / 14 » Indexing Uncertain Categorical Data |
PODS
2009
ACM
14 years 6 months ago
2009
ACM
Querying uncertain data has emerged as an important problem in data management due to the imprecise nature of many measurement data. In this paper we study answering range queries...
VLDB
2005
ACM
13 years 11 months ago
2005
ACM
In an “uncertain database”, an object o is associated with a multi-dimensional probability density function (pdf), which describes the likelihood that o appears at each positi...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
ICDE
2009
IEEE
14 years 7 months ago
2009
IEEE
Abstract-- Data uncertainty is common in real-world applications due to various causes, including imprecise measurement, network latency, outdated sources and sampling errors. Thes...
EDBT
2012
ACM
11 years 7 months ago
2012
ACM
The range searching problem is fundamental in a wide spectrum of applications such as radio frequency identification (RFID) networks, location based services (LBS), and global po...