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TRANSCI
2008
122views more  TRANSCI 2008»
13 years 7 months ago
Scheduling Locomotives and Car Transfers in Freight Transport
Abstract. We present a new model for a strategic locomotive scheduling problem arising at the Deutsche Bahn AG. The model is based on a multi-commodity min-cost flow formulation th...
Armin Fügenschuh, Henning Homfeld, Andreas Hu...
CSDA
2004
119views more  CSDA 2004»
13 years 7 months ago
Fitting bivariate cumulative returns with copulas
We propose a copula based statistical method of fitting joint cumulative returns between a market index and a stock from the index family to daily data. Modifying the method of in...
Werner Hürlimann
DAM
1998
88views more  DAM 1998»
13 years 7 months ago
Neither Reading Few Bits Twice Nor Reading Illegally Helps Much
We first consider so-called (1,+s)-branching programs in which along every consistent path at most s variables are tested more than once. We prove that any such program computing...
Stasys Jukna, Alexander A. Razborov
MOR
2007
100views more  MOR 2007»
13 years 7 months ago
On Scheduling Fees to Prevent Merging, Splitting, and Transferring of Jobs
A deterministic server is shared by users with identical linear waiting costs, requesting jobs of arbitrary lengths. Shortest jobs are served first for efficiency. The server can...
Hervé Moulin
EMNLP
2010
13 years 5 months ago
A Fast Decoder for Joint Word Segmentation and POS-Tagging Using a Single Discriminative Model
We show that the standard beam-search algorithm can be used as an efficient decoder for the global linear model of Zhang and Clark (2008) for joint word segmentation and POS-taggi...
Yue Zhang 0004, Stephen Clark