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» Using Probabilistic Information in Data Integration
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DOLAP
2004
ACM
15 years 12 months ago
An analysis of additivity in OLAP systems
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...
John Horner, Il-Yeol Song, Peter P. Chen
FASE
2003
Springer
15 years 11 months ago
Model-Based Development of Web Applications Using Graphical Reaction Rules
Abstract. The OMG’s Model-Driven Architecture focusses on the evolution and integration of applications across heterogeneous middleware platforms. Presently available instances o...
Reiko Heckel, Marc Lohmann
DEXA
2000
Springer
109views Database» more  DEXA 2000»
15 years 10 months ago
Knowledge Decay in a Normalised Knowledge Base
Knowledge ‘decay’ is a measure of the degradation of knowledge integrity. In a unified knowledge representation, data, information and knowledge are all represented in a single...
John K. Debenham
WWW
2005
ACM
16 years 7 months ago
Executing incoherency bounded continuous queries at web data aggregators
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
Rajeev Gupta, Ashish Puri, Krithi Ramamritham
MMAS
2011
Springer
15 years 1 months ago
Scalable Bayesian Reduced-Order Models for Simulating High-Dimensional Multiscale Dynamical Systems
While existing mathematical descriptions can accurately account for phenomena at microscopic scales (e.g. molecular dynamics), these are often high-dimensional, stochastic and thei...
Phaedon-Stelios Koutsourelakis, Elias Bilionis