750 search results - page 117 / 150 » Aggregates in Possibilistic Databases |
SIGMOD
1997
ACM
14 years 2 months ago
1997
ACM
We report the performance of NOW-Sort, a collection of sorting implementations on a Network of Workstations (NOW). We find that parallel sorting on a NOW is competitive to sortin...
ESWS
2008
Springer
13 years 11 months ago
2008
Springer
We believe that the possibility to use SPARQL as a front end to heterogeneous data without significant cost in performance or expressive power is key to RDF taking its rightful pla...
BNCOD
1997
13 years 11 months ago
1997
With the substantial change of declarative query languages from plain SQL to the so-called \object SQLs", in particular OQL, there has surprisingly been not much change in the...
DEXA
2010
Springer
13 years 10 months ago
2010
Springer
Given a large collection of objects, finding all pairs of similar objects, namely similarity join, is widely used to solve various problems in many application domains.Computation ...
ICOODB
2010
13 years 8 months ago
2010
Object-relational mapping (ORM) technologies have been proposed as a solution for the impedance mismatch problem between object-oriented applications and relational databases. Exis...