39 search results - page 1 / 8 » Efficient Algorithm for determining the Optimal Execution St... |
SEBD
1996
13 years 6 months ago
1996
Abstract. To select an optimal query evaluation strategy for a path query in an object-oriented database system one has to exploit the available index structures on the path. In a ...
DPD
2002
13 years 4 months ago
2002
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...
SIGMOD
2007
ACM
14 years 5 months ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...
DEXA
1995
Springer
13 years 8 months ago
1995
Springer
Abstract. The object-oriented database management systems store references to objects (implicit joins, precomputed joins), and use path expressions in query languages. One way of e...
ICRA
2009
IEEE
13 years 2 months ago
2009
IEEE
Abstract-- Existing high-dimensional motion planning algorithms are simultaneously overpowered and underpowered. In domains sparsely populated by obstacles, the heuristics used by ...