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IS
2008
15 years 6 months ago
From conceptual models to schemata: An object-process-based data warehouse construction method
Data warehouse modeling is a complex task, which involves knowledge of business processes of the domain of discourse, understanding the structural and behavioral system's con...
Dov Dori, Roman Feldman, Arnon Sturm
ALGORITHMICA
2005
76views more  ALGORITHMICA 2005»
15 years 6 months ago
Characterizing History Independent Data Structures
We consider history independent data structures as proposed for study by Naor and Teague [3]. In a history independent data structure, nothing can be learned from the memory repre...
Jason D. Hartline, Edwin S. Hong, Alexander E. Moh...
DEXA
2009
Springer
151views Database» more  DEXA 2009»
16 years 1 months ago
Detecting Projected Outliers in High-Dimensional Data Streams
Abstract. In this paper, we study the problem of projected outlier detection in high dimensional data streams and propose a new technique, called Stream Projected Ouliter deTector ...
Ji Zhang, Qigang Gao, Hai H. Wang, Qing Liu, Kai X...
ATAL
2005
Springer
16 years 6 days ago
Simulating data dissemination techniques for local reputation systems
In distributed scenarios the robustness of a reputation mechanism depends on the data available for computation. Especially in ad-hoc networks the amount of available data is rest...
Andreas Schlosser, Marco Voss
ICCS
2004
Springer
16 years 1 days ago
A Note on Data-Driven Contaminant Simulation
Abstract. In this paper we introduce a numerical procedure for performing dynamic data driven simulations (DDDAS). The main ingredient of our simulation is the multiscale interpola...
Craig C. Douglas, Chad E. Shannon, Yalchin Efendie...