720 search results - page 75 / 144 » Temporal Databases |
ICDE
2002
IEEE
14 years 10 months ago
2002
IEEE
Difference, intersection, semi-join and anti-semi-join may be considered binary subset operators, in that they all return a subset of their left-hand argument. These operators are...
WWW
2009
ACM
14 years 9 months ago
2009
ACM
We investigate how to organize a large collection of geotagged photos, working with a dataset of about 35 million images collected from Flickr. Our approach combines content analy...
SIGMOD
1987
ACM
14 years 16 days ago
1987
ACM
In this paper we discuss extensions to the conventional relatronal algebra to support transaction time We show that these extensions are applicable to hrstorlcal algebras that sup...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Immortal DB is a transaction time database system that is built into a commercial database system rather than being layered on top. This enables it to have performance that is very...
ECOOP
1998
Springer
14 years 1 months ago
1998
Springer
Although many temporal extensions of the relational data model have been proposed, there is no comparable amount of work in the context of object-oriented data models. Moreover, ex...