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VLDB
2002
ACM
74views Database» more  VLDB 2002»
13 years 9 months ago
Provisions and Obligations in Policy Management and Security Applications
Policies are widely used in many systems and applications. Recently, it has been recognized that a "yes/no" response to every scenario is just not enough for many modern...
Claudio Bettini, Sushil Jajodia, Xiaoyang Sean Wan...
WWW
2004
ACM
14 years 10 months ago
An agent system reasoning about the web and the user
The paper describes some innovations related to the ongoing work on the GSA prototype, an integrated information retrieval agent. In order to improve the original system effective...
Giovambattista Ianni, Francesco Ricca, Francesco C...
ECSQARU
1999
Springer
14 years 2 months ago
An Alternative to Outward Propagation for Dempster-Shafer Belief Functions
Abstract. Given several Dempster-Shafer belief functions, the framework of valuation networks describes an efficient method for computing the marginal of the combined belief functi...
Norbert Lehmann, Rolf Haenni
ESSLLI
1999
Springer
14 years 2 months ago
Representing the Adverb Very in Fuzzy Set Theory
We recall the concept of a linguistic variable and the representation of its values (i.e. linguistic terms) by means of fuzzy sets. In this framework adverbs are represented by fuz...
Martine De Cock
TIME
1999
IEEE
14 years 2 months ago
Symbolic Representation of User-Defined Time Granularities
In the recent literature on time representation, an effort has been made to characterize the notion of time granularity and the relationships between granularities, in order to ha...
Claudio Bettini, Roberto De Sibi