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183
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IOR
2010
15 years 5 months ago
2010
We study an inventory system under periodic review in the presence of two suppliers (or delivery modes). The emergency supplier has a shorter lead-time than the regular supplier, ...
196
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JACM
2010
15 years 5 months ago
2010
A temporal constraint language is a set of relations that has a first-order definition in (Q, <), the dense linear order of the rational numbers. We present a complete comple...
169
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NETWORKS
2010
15 years 5 months ago
2010
The input to an Inverse Shortest Path Lengths Problem (ISPL) consists of a graph G with arc weights, and a collection of source-sink pairs with prescribed distances that do not ne...
228
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EVOW
2012
Springer
14 years 2 months ago
2012
Springer
Abstract. We consider the two-echelon location-routing problem (2ELRP), a well-known problem in freight distribution arising when establishing a two-level transport system with lim...
174
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SIGCSE
2010
ACM
16 years 1 months ago
2010
ACM
Using effective teaching practices is a high priority for educators. One important pedagogical skill for computer science instructors is asking effective questions. This paper pre...