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QEST
2006
IEEE
16 years 26 days ago
Bound-Preserving Composition for Markov Reward Models
Stochastic orders can be applied to Markov reward models and used to aggregate models, while introducing a bounded error. Aggregation reduces the number of states in a model, miti...
David Daly, Peter Buchholz, William H. Sanders
SKG
2006
IEEE
16 years 25 days ago
Semantic Pattern for User-Interactive Question Answering
A new semantic pattern is proposed in this paper, which can be used by users to post questions and answers in user-interactive question answering (QA) system. The necessary proced...
Tianyong Hao, Qingtian Zeng, Liu Wenyin
VTC
2006
IEEE
103views Communications» more  VTC 2006»
16 years 25 days ago
Codeword Length Optimization for CPPUWB Systems
— The optimal codeword length that generates the maximum output signal to interference ratio (SIR) for the channel-phase-precoded ultra-wideband (CPPUWB) system proposed in [1] i...
Yu-Hao Chang, Shang-Ho Tsai, Xiaoli Yu, C. C. Jay ...
IIIX
2006
ACM
16 years 24 days ago
Using diaries in group based information behavior research: a methodological study
This paper presents and discusses the usage of the diary method in two case studies of group members’ information behavior and reflects upon the results and implications for futu...
Jette Hyldegård
VALUETOOLS
2006
ACM
162views Hardware» more  VALUETOOLS 2006»
16 years 24 days ago
Fast solvers for queueing systems with negative customers
In this paper, we are interested in solving Markovian queueing systems having Poisson batch arrivals, exponential servers and negative customers. Preconditioned conjugate gradient...
You-Wei Wen, Wai-Ki Ching, Michael K. Ng