262 search results - page 27 / 53 » Spatio-temporal join selectivity |
SSDBM
2003
IEEE
14 years 27 days ago
2003
IEEE
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existin...
VLDB
1998
ACM
13 years 11 months ago
1998
ACM
Oracle Materialized Views (MVs) are designed for data warehousing and replication. For data warehousing, MVs based on inner/outer equijoins with optional aggregation, can be refre...
VLDB
1994
ACM
13 years 11 months ago
1994
ACM
Global clustering has rarely been investigated in the area of spatial database systems although dramatic performance improvements can be achieved by using suitable techniques. In ...
VLDB
1994
ACM
13 years 11 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
TON
2008
13 years 7 months ago
2008
In this paper, we propose a simple protocol for building heterogeneous unstructured peer-to-peer (P2P) networks. The protocol consists of two parts--the joining process and the reb...