708 search results - page 63 / 142 » A Genetic Algorithm for Database Query Optimization |
GIS
2008
ACM
14 years 10 months ago
2008
ACM
Trip planning search (TPS) represents an important class of queries in Geographic Information Systems (GIS). In many real-world applications, TPS requests are issued with a number...
TREC
2003
13 years 10 months ago
2003
Ranking functions are instrumental for the success of an information retrieval (search engine) system. However nearly all existing ranking functions are manually designed based on...
ADC
2006
Springer
14 years 2 months ago
2006
Springer
With the increasing popularity of XML, there arises the need for managing and querying information in this form. Several query languages, such as XQuery, have been proposed which ...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Aggregate measures summarizing subsets of data are valuable in exploratory analysis and decision support, especially when dependent aggregations can be easily specified and compute...
SAC
2008
ACM
13 years 8 months ago
2008
ACM
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...