20 search results - page 3 / 4 » vldb 2009 |
VLDB
2009
ACM
14 years 6 months ago
2009
ACM
VLDB
2009
ACM
14 years 6 months ago
2009
ACM
For a largenumber of data management problems, it would be very useful to be able to obtain a few samples from a data set, and to use the samples to guess the largest (or smallest)...
VLDB
2009
ACM
14 years 6 months ago
2009
ACM
We consider the problem of using sampling to estimate the result of an aggregation operation over a subset-based SQL query, where a subquery is correlated to an outer query by a NO...
VLDB
2009
ACM
14 years 6 months ago
2009
ACM
We address the problem of providing privacypreserving search over distributed accesscontrolled content. Indexed documents can be easily reconstructed from conventional (inverted) ...
VLDB
2009
ACM
14 years 6 months ago
2009
ACM
Top-k queries on large multi-attribute data sets are fundamental operations in information retrieval and ranking applications. In this article, we initiate research on the anytime ...