4397 search results - page 101 / 880 » Relational Algebra Operations |
DOLAP
2003
ACM
14 years 3 months ago
2003
ACM
In the last years, lots of work have been devoted to multidimensional modeling, star shape schemas and OLAP operations. However, “drill-across” has not captured as much attent...
ETRICS
2006
14 years 1 months ago
2006
To cope with the complex requirements imposed on the processing of privacy-sensitive data within enterprises, the use of automatic or semi-automatic tools is gradually becoming in...
SACRYPT
2007
Springer
14 years 4 months ago
2007
Springer
Abstract. The XCB mode of operation was outlined in 2004 as a contribution to the IEEE Security in Storage effort, but no security analysis was provided. In this paper, we provide...
ADBIS
2004
Springer
14 years 3 months ago
2004
Springer
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague n...
CRYPTO
2005
Springer
14 years 3 months ago
2005
Springer
A black-box secret sharing scheme (BBSSS) for a given access structure works in exactly the same way over any finite Abelian group, as it only requires black-box access to group o...