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158
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HCI
2009
15 years 4 months ago
2009
Abstract. Scheduling staff shift work in a hospital ward is a well-known problem in the operation research field but, as such, it is very often studied from the algorithmic point o...
195
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HCI
2009
15 years 4 months ago
2009
Social network analysis (SNA) has been used to study the relationships between actors in social networks, revealing their features and patterns. In most cases, nodes and edges in g...
213
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ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
Nonnegative matrix factorization (NMF) is a widely-used method for low-rank approximation (LRA) of a nonnegative matrix (matrix with only nonnegative entries), where nonnegativity...
261
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ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
In this paper, we study transmission schemes for a novel OFDMbased MIMO system which performs adaptive signal combining in radio-frequency (RF). Specifically, we consider the prob...
151
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ICC
2009
IEEE
15 years 4 months ago
2009
IEEE
1 Transmission over wireless fading channels under quality of service (QoS) constraints is studied when only the receiver has perfect channel side information. Being unaware of the...