708 search results - page 69 / 142 » Optimizing SQL Queries over Text Databases |
DEBU
2006
13 years 9 months ago
2006
Performance tuning in modern database systems requires a lot of expertise, is very time consuming and often misdirected. Tuning attempts often lack a methodology that has a holist...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
Research in modeling and querying spatial data has primarily focused on traditional "crisp" spatial objects with exact location and spatial extent. More recent work, how...
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...
DASFAA
2007
IEEE
14 years 24 days ago
2007
IEEE
Abstract. We have defined an XML structural index called the Structure Index Tree (SIT), which eliminates duplicate structures arising from the equivalent subtrees in an XML docume...
ESWS
2009
Springer
14 years 3 months ago
2009
Springer
This proposal explores the promotion of existing relational databases to Semantic Web Endpoints. It presents the benefits of ontologybased read and write access to existing relati...