464 search results - page 75 / 93 » Integrating Heterogeneous Multidimensional Databases |
IJCSA
2008
13 years 7 months ago
2008
It is well known that transactional and analytical systems each require different database architecture. In general, the database structure of transactional systems is optimized f...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
Prior work in differential privacy has produced techniques for answering aggregate queries over sensitive data in a privacypreserving way. These techniques achieve privacy by addi...
PODS
2010
ACM
14 years 22 days 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...
ICDT
2009
ACM
14 years 8 months ago
2009
ACM
Schema mappings are declarative specifications that describe the relationship between two database schemas. In recent years, there has been an extensive study of schema mappings a...
KDD
2005
ACM
14 years 8 months ago
2005
ACM
The Web has been rapidly "deepened" by myriad searchable databases online, where data are hidden behind query interfaces. As an essential task toward integrating these m...