617 search results - page 38 / 124 » Semantic queries in databases: problems and challenges |
ICDE
2010
IEEE
13 years 9 months ago
2010
IEEE
— We discuss the problem of resource provisioning for database management systems operating on top of an Infrastructure-As-A-Service (IaaS) cloud. To solve this problem, we descr...
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
The Web contains a large amount of documents and increasingly, also semantic data in the form of RDF triples. Many of these triples are annotations that are associated with docume...
DEXAW
2007
IEEE
14 years 27 days ago
2007
IEEE
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...
JCSS
2000
13 years 8 months ago
2000
We investigate a class of path constraints that is of interest in connection with both semistructured and structured data. In standard database systems, constraints are typically ...
ICDE
2010
IEEE
14 years 6 months ago
2010
IEEE
— Many applications offer a form-based environment for na¨ıve users for accessing databases without being familiar with the database schema or a structured query language. User...