262 search results - page 5 / 53 » Spatio-temporal join selectivity |
EDBT
1994
ACM
13 years 11 months ago
1994
ACM
Abstract. Good estimates of join result sizes are critical for query optimization in relational database management systems. We address the problem of incrementally obtaining accur...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
Object-oriented and object-relational DBMS support setvalued attributes, which are a natural and concise way to model complex information. However, there has been limited research...
FLAIRS
2009
13 years 5 months ago
2009
In this paper, we put forth the first join tree propagation algorithm that selectively applies either arc reversal (AR) or variable elimination (VE) to build the propagated messag...
SOCO
2007
Springer
14 years 1 months ago
2007
Springer
Aspects require access to the join point context in order to select and adapt join points. For this purpose, current aspect-oriented systems offer a large number of pointcut constr...
SSDBM
2008
IEEE
14 years 1 months ago
2008
IEEE
We consider approximate join processing over data streams when memory limitations cause incoming tuples to overflow the available space, precluding exact processing. Selective evi...