4397 search results - page 59 / 880 » Relational Algebra Operations |
MLQ
2006
13 years 7 months ago
2006
We show that a Woodin cardinal is necessary for the Extender Algebra to be complete. Our proof is relatively simple and does not use fine structure.
COLING
2010
13 years 2 months ago
2010
This paper investigates the impact of using different temporal algebras for learning temporal relations between events. Specifically, we compare three intervalbased algebras: Alle...
EUSFLAT
2007
13 years 9 months ago
2007
In this paper, aggregation is treated as a logical and/or pseudo-logical operation what is important from many points of view such as adequacy and interpretations.
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
A rich set of concepts and techniques has been developed in the context of query processing for the efficient and robust execution of queries. So far, this work has mostly focused...
LISA
1994
13 years 9 months ago
1994