2312 search results - page 423 / 463 » The complexity of estimating min-entropy |
169
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SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
To deal with data uncertainty, existing probabilistic database systems augment tuples with attribute-level or tuple-level probability values, which are loaded into the database al...
151
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
111
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WSDM
2010
ACM
15 years 7 months ago
2010
ACM
We consider a set of views stating possibly conflicting facts. Negative facts in the views may come, e.g., from functional dependencies in the underlying database schema. We want ...
IISWC
2009
IEEE
15 years 4 months ago
2009
IEEE
In many areas such as e-commerce, mission-critical N-tier applications have grown increasingly complex. They are characterized by non-stationary workloads (e.g., peak load several...
74
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CIKM
2009
Springer
15 years 4 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...