79 search results - page 4 / 16 » Representing Tuple and Attribute Uncertainty in Probabilisti... |
PVLDB
2008
13 years 6 months ago
2008
In probabilistic databases, lineage is fundamental to both query processing and understanding the data. Current systems s.a. Trio or Mystiq use a complete approach in which the li...
ICDE
2011
IEEE
12 years 10 months ago
2011
IEEE
— Many real-world applications deal with uncertain or missing data, prompting a surge of activity in the area of probabilistic databases. A shortcoming of prior work is the assum...
CORR
2008
Springer
13 years 6 months ago
2008
Springer
Abstract. We study here fundamental issues involved in top-k query evaluation in probabilistic databases. We consider simple probabilistic databases in which probabilities are asso...
SOFTWARE
2002
13 years 6 months ago
2002
We consider the problem of characterisation of sequences of heterogeneous symbolic data that arise from a common underlying temporal pattern. The data, which are subject to impreci...
VLDB
2005
ACM
14 years 2 days ago
2005
ACM
In many systems, sensors are used to acquire information from external environments such as temperature, pressure and locations. Due to continuous changes in these values, and lim...