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» Privacy-Preserving Queries over Relational Databases
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SIGMOD
2004
ACM
150views Database» more  SIGMOD 2004»
14 years 8 months ago
When one Sample is not Enough: Improving Text Database Selection Using Shrinkage
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...
Panagiotis G. Ipeirotis, Luis Gravano
EDBT
1998
ACM
124views Database» more  EDBT 1998»
14 years 28 days ago
Maintaining Temporal Views over Non-Temporal Information Sources for Data Warehousing
An importantuse of data warehousing is to provide temporal views over the history of source data that may itself be non-temporal. While recent work in view maintenance is applicab...
Jun Yang 0001, Jennifer Widom
WEBDB
2005
Springer
105views Database» more  WEBDB 2005»
14 years 2 months ago
On the Expressive Power of Node Construction in XQuery
In the relational model it has been shown that the flat relational algebra has the same expressive power as the nested relational algebra, as far as queries over flat relations ...
Wim Le Page, Jan Hidders, Philippe Michiels, Jan P...
CORR
2011
Springer
181views Education» more  CORR 2011»
13 years 15 days ago
SmartInt: Using Mined Attribute Dependencies to Integrate Fragmented Web Databases
Many web databases can be seen as providing partial and overlapping information about entities in the world. To answer queries effectively, we need to integrate the information ab...
Ravi Gummadi, Anupam Khulbe, Aravind Kalavagattu, ...
SEDE
2010
13 years 6 months ago
Metadata Services for Distributed Event Stream Processing Agents
Enterprise-level applications are becoming complex with the need for event and stream processing, multiple query processing and data analysis over heterogeneous data sources such ...
Mahesh B. Chaudhari, Suzanne W. Dietrich