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CSREASAM
2009
14 years 11 months ago
A Service Framework based on Grades of IdPs and SPs
In Web services, a framework for the separation of authentication (IdP) and services (SP) has been proposed and actually deployed. In this framework, quality of information provide...
Sato Hiroyuki
SIGMOD
2004
ACM
116views Database» more  SIGMOD 2004»
15 years 10 months ago
The Role of Cryptography in Database Security
In traditional database security research, the database is usually assumed to be trustworthy. Under this assumption, the goal is to achieve security against external attacks (e.g....
Ueli M. Maurer
ICDE
2007
IEEE
164views Database» more  ICDE 2007»
15 years 4 months ago
Secure Mediation of Join Queries by Processing Ciphertexts
In a secure mediated information system, confidentiality is one of the main concerns when transmitting data from datasources to clients via a mediator. We present three approache...
Joachim Biskup, Christian Tsatedem, Lena Wiese
ENTCS
2006
145views more  ENTCS 2006»
14 years 10 months ago
A Classification of Time and/or Probability Dependent Security Properties
In multilevel systems it is important to avoid unwanted indirect information flow from higher levels to lower levels, namely the so called covert channels. Initial studnformation ...
Ruggero Lanotte, Andrea Maggiolo-Schettini, Angelo...
INTERSPEECH
2010
14 years 4 months ago
Improvements to the equal-parameter BIC for speaker diarization
This paper discusses a set of modifications regarding the use of the Bayesian Information Criterion (BIC) for the speaker diarization task. We focus on the specific variant of the...
Themos Stafylakis, Xavier Anguera