1160 search results - page 13 / 232 » Query Processing and Optimization for Pictorial Query Trees |
SIAMCOMP
2012
12 years 1 months ago
2012
Let S be a set of n intervals in R, and let (S, +) be any commutative semigroup. We assign a weight ω(s) ∈ S to each interval in S. For a point x ∈ R, let S(x) ⊆ S be the se...
IS
2011
13 years 2 months ago
2011
In this paper we present algorithms for building and maintaining efficient collection trees that provide the conduit to disseminate data required for processing monitoring queries...
MDM
2004
Springer
14 years 4 months ago
2004
Springer
Data broadcasting is well known for its excellent scalability. Multi-dimensional range queries, such as spatial range queries of geographical information for location dependent se...
ICDE
2003
IEEE
15 years 8 days ago
2003
IEEE
Structural join operations are central to evaluating queries against XML data, and are typically responsible for consuming a lion's share of the query processing time. Thus, ...
WEBDB
2009
Springer
14 years 5 months ago
2009
Springer
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...