470 search results - page 72 / 94 » Privacy-Preserving Queries over Relational Databases |
ICDE
2003
IEEE
14 years 10 months ago
2003
IEEE
Despite the recent proliferation of work on semistructured data models, there has been little work to date on supporting uncertainty in these models. In this paper, we propose a m...
FOCS
2003
IEEE
14 years 1 months ago
2003
IEEE
We give a complexity theoretic classification of homomorphism problems for graphs and, more generally, relational structures obtained by restricting the left hand side structure ...
COOPIS
1996
IEEE
14 years 23 days ago
1996
IEEE
Rational drug design is an example where integrated access to heterogeneous scientific data is urgently needed, as it becomes rapidly available due to new experimental and computa...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
A method for approximate subsequence matching is introduced, that significantly improves the efficiency of subsequence matching in large time series data sets under the dynamic ti...
VLDB
2001
ACM
14 years 1 months ago
2001
ACM
Estimating the number of distinct values is a wellstudied problem, due to its frequent occurrence in queries and its importance in selecting good query plans. Previous work has sh...