Sciweavers

8785 search results - page 193 / 1757
» Management of data with uncertainties
Sort
View
PVLDB
2008
120views more  PVLDB 2008»
15 years 4 months ago
On the provenance of non-answers to queries over extracted data
In information extraction, uncertainty is ubiquitous. For this reason, it is useful to provide users querying extracted data with explanations for the answers they receive. Provid...
Jiansheng Huang, Ting Chen, AnHai Doan, Jeffrey F....
SSD
2005
Springer
175views Database» more  SSD 2005»
15 years 10 months ago
Probabilistic Spatial Queries on Existentially Uncertain Data
We study the problem of answering spatial queries in databases where objects exist with some uncertainty and they are associated with an existential probability. The goal of a thre...
Xiangyuan Dai, Man Lung Yiu, Nikos Mamoulis, Yufei...
WISES
2008
15 years 6 months ago
Fusion of heterogeneous sensors data
A configuration with heterogeneous sensors using different measurement approaches most likely overcome the problem of correlated measurement errors as they occur when employing a ...
Wilfried Elmenreich, Robert Leidenfrost
ICDE
2009
IEEE
255views Database» more  ICDE 2009»
16 years 6 months ago
Database Management as a Service: Challenges and Opportunities
Data outsourcing or database as a service is a new paradigm for data management in which a third party service provider hosts a database as a service. The service provides data man...
Ahmed Metwally, Amr El Abbadi, Divyakant Agrawal, ...
CDC
2008
IEEE
145views Control Systems» more  CDC 2008»
15 years 11 months ago
Parameter estimation with expected and residual-at-risk criteria
In this paper we study a class of uncertain linear estimation problems in which the data are affected by random uncertainty. In this setting, we consider two estimation criteria,...
Giuseppe Carlo Calafiore, Ufuk Topcu, Laurent El G...