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DEXAW
1998
IEEE
82views Database» more  DEXAW 1998»
15 years 8 months ago
User Authentication in Multidatabase Systems
The aspect of security needs more consideration in the area of architectures for multidatabase systems. Particularly, the authentication of users which is a main prerequisite for ...
Eyk Hildebrandt, Gunter Saake
CCS
2007
ACM
15 years 10 months ago
A data outsourcing architecture combining cryptography and access control
Data outsourcing is becoming today a successful solution that allows users and organizations to exploit external servers for the distribution of resources. Some of the most challe...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...
CCS
2010
ACM
15 years 7 months ago
Scene tagging: image-based CAPTCHA using image composition and object relationships
In this paper, we propose a new form of image-based CAPTCHA we term "scene tagging". It tests the ability to recognize a relationship between multiple objects in an imag...
Peter Matthews, Cliff Changchun Zou
SSDBM
2002
IEEE
100views Database» more  SSDBM 2002»
15 years 9 months ago
Information-Theoretic Disclosure Risk Measures in Statistical Disclosure Control of Tabular Data
Statistical database protection is a part of information security which tries to prevent published statistical information (tables, individual records) from disclosing the contrib...
Josep Domingo-Ferrer, Anna Oganian, Vicenç ...
ICDE
1993
IEEE
147views Database» more  ICDE 1993»
15 years 8 months ago
Large Object Support in POSTGRES
This paper presents four implementations for support of large objects in POSTGRES. The four implementations offer varying levels of support for security, transactions, compression...
Michael Stonebraker, Michael A. Olson