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ICEB
2004
131views Business» more  ICEB 2004»
13 years 7 months ago
Negative Reputation Rate as the Signal of Risk in Online Consumer-to-consumer Transactions
Previous online reputation research has been focused on the effects of positive and negative reputations on trust formation, trading price, and probability of sale. We propose tha...
Dahui Li, Zhangxi Lin
APPROX
2007
Springer
97views Algorithms» more  APPROX 2007»
13 years 12 months ago
Optimal Resource Augmentations for Online Knapsack
It is known that online knapsack is not competitive. This negative result remains true even if the items are removable. In this paper we consider online removable knapsack with
Kazuo Iwama, Guochuan Zhang
IJISEC
2007
66views more  IJISEC 2007»
13 years 5 months ago
Protecting data privacy through hard-to-reverse negative databases
The paper extends the idea of negative representations of information for enhancing privacy. Simply put, a set DB of data elements can be represented in terms of its complement set...
Fernando Esponda, Elena S. Ackley, Paul Helman, Ha...
CORR
2011
Springer
167views Education» more  CORR 2011»
12 years 9 months ago
Negative Database for Data Security
Data Security is a major issue in any web-based application. There have been approaches to handle intruders in any system, however, these approaches are not fully trustable; evide...
Anup Patel, Niveeta Sharma, Magdalini Eirinaki
FLOPS
2008
Springer
13 years 7 months ago
Formalizing a Constraint Deductive Database Language Based on Hereditary Harrop Formulas with Negation
In this paper, we present an extension of the scheme HH(C) (Hereditary Harrop formulas with Constraints) with a suitable formulation of negation in order to obtain a constraint ded...
Susana Nieva, Jaime Sánchez-Hernánde...