347 search results - page 67 / 70 » Certain answers for XML queries |
SSDBM
2007
IEEE
13 years 11 months ago
2007
IEEE
Bitmap indices have been widely used in several domains such as data warehousing and scientific applications due to their efficiency in answering certain query types over large ...
SP
2000
IEEE
13 years 9 months ago
2000
IEEE
It is desirable to store data on data storage servers such as mail servers and file servers in encrypted form to reduce security and privacy risks. But this usually implies that ...
ICDT
2012
ACM
11 years 7 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
ICDE
2009
IEEE
13 years 3 months ago
2009
IEEE
Search over graph databases has attracted much attention recently due to its usefulness in many fields, such as the analysis of chemical compounds, intrusion detection in network t...
CIKM
2010
Springer
13 years 3 months ago
2010
Springer
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...