43 search results - page 1 / 9 » Relational Algebra for Spatio-Temporal Data Management |
EDBT
2000
ACM
13 years 8 months ago
2000
ACM
FLAIRS
2007
13 years 7 months ago
2007
In this paper we shall introduce an approach that forms a basis for temporal data mining. A relation algebra is applied for the purpose of representing simultaneously dependencies...
ICDE
2008
IEEE
14 years 6 months ago
2008
IEEE
This paper introduces U-relations, a succinct and purely relational representation system for uncertain databases. U-relations support attribute-level uncertainty using vertical pa...
CJ
2006
13 years 4 months ago
2006
Operations on spatial objects have much individuality. As a consequence, the spatial data modelling approaches, which have been proposed, have to consider either data types of the...
IQIS
2007
ACM
13 years 6 months ago
2007
ACM
Relational Database Systems often support activities like data warehousing, cleaning and integration. All these activities require performing some sort of data transformations. Si...