262 search results - page 44 / 53 » GUC-Secure Join Operator in Distributed Relational Database |
SIGMOD
2002
ACM
14 years 8 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
GIS
2005
ACM
14 years 9 months ago
2005
ACM
Group nearest neighbor (GNN) queries are a relatively new type of operations in spatial database applications. Different from a traditional kNN query which specifies a single quer...
ICDE
1999
IEEE
14 years 10 months ago
1999
IEEE
In this paper we study the node distribution of an Rtree storing region data, like for instance islands, lakes or human-inhabited areas. We will show that real region datasets are...
DEXAW
2004
IEEE
14 years 12 days ago
2004
IEEE
Nowadays, many different organizations which operate in the Web distributed environment become more and more dependent on services to automate their activities and to improve thei...
DEBU
2010
13 years 6 months ago
2010
Solid-state disks are currently based on NAND flash and expose a standard disk interface. To accommodate limitations of the medium, solid-state disk implementations avoid rewritin...