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» New Domains for Applied Quantifier Elimination
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VTC
2008
IEEE
189views Communications» more  VTC 2008»
14 years 1 months ago
Selective Mapping with Symbol Re-Mapping for OFDM/TDM Using MMSE-FDE
—Orthogonal frequency division multiplexing (OFDM) signals have a problem with high peak-to-average power ratio (PAPR). A distortionless selective mapping (SLM) has been proposed...
Haris Gacanin, Fumiyuki Adachi
OTM
2007
Springer
14 years 1 months ago
Reduction Transformations in ORM
Abstract: This paper proposes extensions to the Object-Role Modeling approach to support schema transformations that eliminate unneeded columns that may arise from standard relatio...
Terry A. Halpin, Andy Carver, Kevin M. Owen
MMAS
2011
Springer
12 years 10 months ago
Sweeping Preconditioner for the Helmholtz Equation: Moving Perfectly Matched Layers
This paper introduces a new sweeping preconditioner for the iterative solution of the variable coefficient Helmholtz equation in two and three dimensions. The algorithms follow th...
Björn Engquist, Lexing Ying
ICDT
2009
ACM
143views Database» more  ICDT 2009»
14 years 8 months ago
Automatic construction of simple artifact-based business processes
Almost all medium- and large-scale businesses rely on electronic workflow systems to manage their business processes. A key challenge is to enable the easy re-use and modification...
Christian Fritz, Richard Hull, Jianwen Su
CSFW
2007
IEEE
14 years 1 months ago
Reasoning about Concurrency for Security Tunnels
There has been excellent progress on languages for rigorously describing key exchange protocols and techniques for proving that the network security tunnels they establish preserv...
Alwyn Goodloe, Carl A. Gunter