907 search results - page 132 / 182 » Efficient Optimization of Iterative Queries |
CIKM
2006
Springer
14 years 26 days ago
2006
Springer
By providing an integrated and optimized support for user-defined aggregates (UDAs), data stream management systems (DSMS) can achieve superior power and generality while preservi...
BTW
2003
Springer
14 years 2 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
KDD
1994
ACM
14 years 1 months ago
1994
ACM
Oneof the mainobstacles in applying data mining techniques to large, real-world databasesis the lack of efficient data management.In this paper, wepresent the design and implement...
SIGMOD
1999
ACM
14 years 1 months ago
1999
ACM
Several techniques that compute the join between two spatial datasets have been proposed during the last decade. Among these methods, some consider existing indices for the joined...
ICALP
1990
Springer
14 years 1 months ago
1990
Springer
We show how (now familiar) hierarchical representations of (convex) polyhedra can be used to answer various separation queries efficiently (in a number of cases, optimally). Our e...