8220 search results - page 35 / 1644 » Querying XML Data |
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
PODS
2010
ACM
14 years 2 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
SDMW
2009
Springer
14 years 3 months ago
2009
Springer
In this paper we investigate the feasibility and efficiency of mapping XML data and access control policies onto relational and native XML databases for storage and querying. We de...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
XML is the data interoperability standard in many application domains. Therefore, an increasing number of researchers and professionals, who are not computer scientists (although ...
WWW
2003
ACM
14 years 10 months ago
2003
ACM
XML Schema has emerged as a promising data model that unites structured and unstructured content. The Oracle database has led the commercial database community in integrating supp...