6905 search results - page 1167 / 1381 » Querying Multidimensional Databases |
STOC
2009
ACM
14 years 10 months ago
2009
ACM
A mechanism for releasing information about a statistical database with sensitive data must resolve a trade-off between utility and privacy. Publishing fully accurate information ...
KDD
2007
ACM
14 years 10 months ago
2007
ACM
We briefly survey several privacy compromises in published datasets, some historical and some on paper. An inspection of these suggests that the problem lies with the nature of the...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
SIGMOD
2005
ACM
14 years 10 months ago
2005
ACM
While traditional database systems optimize for performance on one-shot queries, emerging large-scale monitoring applications require continuous tracking of complex aggregates and...
EDBT
2006
ACM
14 years 10 months ago
2006
ACM
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...