3225 search results - page 106 / 645 » Query Optimization by Stored Queries |
ESORICS
2006
Springer
14 years 15 days ago
2006
Springer
Data confidentiality is a major concern in database systems. Encryption is a useful tool for protecting the confidentiality of sensitive data. However, when data is encrypted, perf...
MDM
2007
Springer
14 years 3 months ago
2007
Springer
This work tackles the problem of answer-aggregation for continuous spatio-temporal range queries in distributed settings. We assume a grid-like coverage of the spatial universe of...
WEBDB
2005
Springer
14 years 2 months ago
2005
Springer
In recent years it has been argued that when XML encodings become complex, DOM trees are no longer adequate for query processing. Alternative representations of XML documents, suc...
IADIS
2003
13 years 10 months ago
2003
XML has become the most useful standard of data interchange in the web and e-business world and there is a large amount of information stored in this format. Nonetheless, a large ...
IDEAS
2009
IEEE
13 years 6 months ago
2009
IEEE
We consider the class of database programs and address the problem of minimizing the cost of their exchanges with the database server. This cost partly consists of query execution...