1500 search results - page 55 / 300 » Query Optimization in Database Grid |
CAISE
2005
Springer
14 years 2 months ago
2005
Springer
In vague queries, a user enters a value that represents some real world object and expects as the result the set of database values that represent this real world object even with ...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Trees and graphs are widely used to model biological databases. Providing efficient algorithms to support tree-based or graph-based querying is therefore an important issue. In th...
ADC
2007
Springer
14 years 3 months ago
2007
Springer
XQuery is a powerful and convenient language that is designed for querying the data in XML documents. In this paper, we address how to optimally query encrypted XML documents usin...
SIGMOD
2001
ACM
14 years 9 months ago
2001
ACM
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
VLDB
1994
ACM
14 years 29 days ago
1994
ACM
Most declarative SQL-like query languagesfor object-oriented database systems (OOSQL) are orthogonal languages allowing for arbitrary nesting of expressions in the select-, from-,...