262 search results - page 22 / 53 » GUC-Secure Join Operator in Distributed Relational Database |
VLDB
1994
ACM
14 years 21 days ago
1994
ACM
The performance of data-parallel algorithms for spatial operations using data-parallel variants of the bucket PMR quadtree, R-tree, and R+-tree spatial data structures is compared...
SIGMOD
2000
ACM
14 years 29 days ago
2000
ACM
We discovered a surprising law governing the spatial join selectivity across two sets of points. An example of such a spatial join is "find the libraries that are within 10 m...
VLDB
2004
ACM
14 years 8 months ago
2004
ACM
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or realtime query responses in su...
ICDE
2009
IEEE
14 years 3 months ago
2009
IEEE
— A paramount challenge in probabilistic databases is the scalable computation of confidences of tuples in query results. This paper introduces an efficient secondary-storage o...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM
As CPUs become more powerful with Moore’s law and memory latencies stay constant, the impact of the memory access performance bottleneck continues to grow on relational operator...