2217 search results - page 2 / 444 » Rank-aware Query Optimization |
EDBT
2008
ACM
14 years 4 months ago
2008
ACM
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...
PAKDD
2005
ACM
13 years 10 months ago
2005
ACM
Traditional multiple query optimization methods focus on identifying common subexpressions in sets of relational queries and on constructing their global execution plans. In this p...
ICDE
2006
IEEE
13 years 10 months ago
2006
IEEE
Due to the flexible structures of SQL, no general approach works efficiently for all kinds of queries. Some special kinds of queries can be further optimized for better performa...
VLDB
2007
ACM
13 years 10 months ago
2007
ACM
A relational ranking query uses a scoring function to limit the results of a conventional query to a small number of the most relevant answers. The increasing popularity of this q...
DEXAW
2007
IEEE
13 years 11 months ago
2007
IEEE
The semantic web represents meta-data as a relation of triples using the RDF data model. We have developed a virtual repository system that enables to process queries to RDF views...