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KAIS
2006
87views more  KAIS 2006»
14 years 11 months ago
Merging uncertain information with semantic heterogeneity in XML
Semi-structured information in XML can be merged in a logic-based framework [Hun02, Hun02b]. This framework has been extended to deal with uncertainty, in the form of probability ...
Anthony Hunter, Weiru Liu
TCOM
2008
155views more  TCOM 2008»
14 years 11 months ago
Construction of nonbinary cyclic, quasi-cyclic and regular LDPC codes: a finite geometry approach
This paper presents five methods for constructing nonbinary LDPC codes based on finite geometries. These methods result in five classes of nonbinary LDPC codes, one class of cyclic...
Lingqi Zeng, Lan Lan, Ying Yu Tai, Bo Zhou, Shu Li...
TIT
2008
102views more  TIT 2008»
14 years 11 months ago
Extremal Problems of Information Combining
Abstract--In this paper, we study moments of soft bits of binary-input symmetric-output channels and solve some extremal problems of the moments. We use these results to solve the ...
Yibo Jiang, Alexei E. Ashikhmin, Ralf Koetter, And...
TIT
2008
102views more  TIT 2008»
14 years 11 months ago
Average Stopping Set Weight Distributions of Redundant Random Ensembles
In this paper, redundant random ensembles are defined and their average stopping set (SS) weight distributions are analyzed. A redundant random ensemble consists of a set of binar...
Tadashi Wadayama
TIT
2008
118views more  TIT 2008»
14 years 9 months ago
Discrete-Input Two-Dimensional Gaussian Channels With Memory: Estimation and Information Rates Via Graphical Models and Statisti
Abstract--Discrete-input two-dimensional (2-D) Gaussian channels with memory represent an important class of systems, which appears extensively in communications and storage. In sp...
Ori Shental, Noam Shental, Shlomo Shamai, Ido Kant...