37 search results - page 5 / 8 » Partition Based Spatial-Merge Join |
PEPM
2010
ACM
14 years 4 months ago
2010
ACM
We show how to efficiently evaluate generic map-filter-product queries, generalizations of select-project-join (SPJ) queries in relational algebra, based on a combination of two...
DAM
2010
13 years 8 months ago
2010
We introduce H -join decompositions of graphs, indexed by a fixed bipartite graph H . These decompositions are based on a graph operation that we call H -join, which adds edges be...
ICWS
2009
IEEE
14 years 5 months ago
2009
IEEE
—The vision of the Semantic Web has brought about new challenges at the intersection of web research and data management. One fundamental research issue at this intersection is t...
JOIN
2006
13 years 7 months ago
2006
Reputation mechanisms for detecting and punishing free-riders in ad hoc networks depend on the local detection of selfish behavior. Although naive selfish strategies based on drop...
SIGMOD
2000
ACM
13 years 11 months ago
2000
ACM
In this paper, we propose a novel formulation for distance-based outliers that is based on the distance of a point from its kth nearest neighbor. We rank each point on the basis o...