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IPM
2007
86views more  IPM 2007»
13 years 7 months ago
Document concept lattice for text understanding and summarization
We argue that the quality of a summary can be evaluated based on how many concepts in the original document(s) that reserved after summarization. Here, a concept refers to an abst...
Shiren Ye, Tat-Seng Chua, Min-Yen Kan, Long Qiu
TIT
2008
74views more  TIT 2008»
13 years 7 months ago
Optimal Parsing Trees for Run-Length Coding of Biased Data
Abstract-- We study coding schemes which encode unconstrained sequences into run-length-limited (d, k)-constrained sequences. We present a general framework for the construction of...
Sharon Aviran, Paul H. Siegel, Jack K. Wolf
TSP
2008
83views more  TSP 2008»
13 years 7 months ago
Bit and Power Allocation for Goodput Optimization in Coded Parallel Subchannels With ARQ
Abstract--This paper addresses the problem of adaptively allocating the bits and the power among a set of parallel subchannels. A frame-oriented transmission with convolutional cod...
B. Devillers, Jérôme Louveaux, Luc Va...
TSP
2008
92views more  TSP 2008»
13 years 7 months ago
Distributed Structures, Sequential Optimization, and Quantization for Detection
Abstract--In the design of distributed quantization systems one inevitably confronts two types of constraints--those imposed by a distributed system's structure and those impo...
Michael A. Lexa, Don H. Johnson
TSP
2008
138views more  TSP 2008»
13 years 7 months ago
Iterative Joint Channel Estimation and Multiuser Detection for DS-CDMA in Frequency-Selective Fading Channels
Abstract--An iterative joint channel estimation, symbol detection, phase recovery and interference cancellation structure is proposed for asynchronous code-division multiple-access...
Sau-Hsuan Wu, Urbashi Mitra, C. C. Jay Kuo