687 search results - page 76 / 138 » Query Transformation for PSJ-Queries |
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
Recently, the Web has been rapidly "deepened" by many searchable databases online, where data are hidden behind query forms. For modelling and integrating Web databases,...
ADC
2005
Springer
14 years 2 months ago
2005
Springer
The design and implementation of advanced personalized database applications requires a preference-driven approach. Representing preferences as strict partial orders is a good cho...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
CAISE
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. Recently, the database and AI research communities have paid increased attention to ontologies. The main motivating reason is that ontologies promise solutions for comple...