589 search results - page 51 / 118 » Optimized Query Evaluation Using Cooperative Sorts |
CORR
2010
Springer
14 years 10 months ago
2010
Springer
Most P2P VoD schemes focused on service architectures and overlays optimization without considering segments rarity and the performance of prefetching strategies. As a result, the...
117
click to vote
ICDE
2012
IEEE
13 years 8 days ago
2012
IEEE
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...
SSD
2001
Springer
15 years 2 months ago
2001
Springer
Several studies have focused on the efficient processing of simple spatial query types such as selections and spatial joins. Little work, however, has been done towards the optimiz...
ICDE
2009
IEEE
15 years 4 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...
DBPL
2007
Springer
15 years 4 months ago
2007
Springer
BPQL is a novel query language for querying business process specifications, introduced recently in [5, 6]. It is based on an intuitive business processes as rewriting systems, an...