439 search results - page 24 / 88 » Unnesting Arbitrary Queries |
PVLDB
2010
13 years 8 months ago
2010
Ranking is a fundamental operation in data analysis and decision support, and plays an even more crucial role if the dataset being explored exhibits uncertainty. This has led to m...
SIGMOD
2010
ACM
14 years 2 months ago
2010
ACM
The probabilistic threshold query (PTQ) is one of the most common queries in uncertain databases, where all results satisfying the query with probabilities that meet the threshold...
INDOCRYPT
2003
Springer
14 years 3 months ago
2003
Springer
OMAC, TMAC and XCBC are CBC-type MAC schemes which are provably secure for arbitrary message length. In this paper, we present a more tight upper bound on Advmac for each scheme, w...
ALT
2008
Springer
14 years 7 months ago
2008
Springer
In this paper we consider the problem of learning hidden independent cascade social networks using exact value injection queries. These queries involve activating and suppressing a...
ADC
2004
Springer
14 years 3 months ago
2004
Springer
Reflective Relational Machines were introduced by S. Abiteboul, C. Papadimitriou and V. Vianu in 1994, as variations of Turing machines which are suitable for the computation of ...