1168 search results - page 216 / 234 » Optimization strategies for complex queries |
XSYM
2004
Springer
14 years 2 months ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
SAC
2000
ACM
14 years 2 months ago
2000
ACM
The global scenario put together by communication networks determines new opportunities towards the realization of Internetbased distributed services in many complex and composite...
SAC
2006
ACM
14 years 3 months ago
2006
ACM
“The curse of dimensionality” is pertinent to many learning algorithms, and it denotes the drastic raise of computational complexity and classification error in high dimension...
TEC
2002
13 years 9 months ago
2002
Multiobjective evolutionary algorithms (EAs) that use nondominated sorting and sharing have been criticized mainly for their: 1) ( 3) computational complexity (where is the number ...
DAIS
2006
13 years 11 months ago
2006
This paper shows how to build a scalable, robust and efficient distributed Internet-scale RDF repository, that we name PAGE (Put And Get Everywhere). 1 Motivation In the recent yea...