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» A Service-Oriented Approach for Model Management
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CISS
2008
IEEE
15 years 6 months ago
Portfolio diversification using subspace factorizations
Abstract-- Successful investment management relies on allocating assets so as to beat the stock market. Asset classes are affected by different market dynamics or latent trends. Th...
Ruairi de Frein, Konstantinos Drakakis, Scott Rick...
CIKM
2008
Springer
15 years 6 months ago
Conflict ontology enrichment based on triggers
In this paper, we propose an ontology-based approach that enables to detect the emergence of relational conflicts between persons that cooperate on computer supported projects. In...
Chahnez Zakaria, Olivier Curé, Kamel Sma&iu...
IAT
2010
IEEE
15 years 2 months ago
Risk Analysis in Access Control Systems Based on Trust Theories
There is a need for research on the scientific base and engineering requirements for building trustworthy systems in dynamic environments. To address this need, we study risk analy...
J. Ma, Luigi Logrippo, Kamel Adi, Serge Mankovski
SIGMOD
2012
ACM
212views Database» more  SIGMOD 2012»
13 years 6 months ago
Local structure and determinism in probabilistic databases
While extensive work has been done on evaluating queries over tuple-independent probabilistic databases, query evaluation over correlated data has received much less attention eve...
Theodoros Rekatsinas, Amol Deshpande, Lise Getoor
SIGMOD
2007
ACM
157views Database» more  SIGMOD 2007»
16 years 4 months ago
Compiling mappings to bridge applications and databases
Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
Sergey Melnik, Atul Adya, Philip A. Bernstein