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DCC
2007
IEEE
14 years 7 months ago
Small weight codewords in LDPC codes defined by (dual) classical generalized quadrangles
We find lower bounds on the minimum distance and characterize codewords of small weight in low-density parity check codes defined by (dual) classical generalized quadrangles. We a...
Jon-Lark Kim, Keith E. Mellinger, Leo Storme
FOCM
2002
97views more  FOCM 2002»
13 years 7 months ago
On the Riemannian Geometry Defined by Self-Concordant Barriers and Interior-Point Methods
We consider the Riemannian geometry defined on a convex set by the Hessian of a selfconcordant barrier function, and its associated geodesic curves. These provide guidance for the...
Yu. E. Nesterov, Michael J. Todd
CHI
2009
ACM
14 years 8 months ago
Understanding, scoping and defining user experience: a survey approach
Despite the growing interest in user experience (UX), it has been hard to gain a common agreement on the nature and scope of UX. In this paper, we report a survey that gathered th...
Effie Lai-Chong Law, Virpi Roto, Marc Hassenzahl, ...
CCECE
2006
IEEE
14 years 1 months ago
A Software Defined Radio Receiver Architecture for UWB Communications and Positioning
A software defined radio (SDR) receiver architecture is proposed in this paper for ultra-wideband (UWB) applications. Both UWB data communication and positioning functions are imp...
Yanyang Zhao, Ligen Wang, Jean-François Fri...
IFIP12
2009
13 years 5 months ago
Defining a Task's Temporal Domain for Intelligent Calendar Applications
Abstract Intelligent calendar assistants have many years ago attracted researchers from the areas of scheduling, machine learning and human computer interaction. However, all effor...
Anastasios Alexiadis, Ioannis Refanidis