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IOR
2010
112views more  IOR 2010»
13 years 6 months ago
New Policies for the Stochastic Inventory Control Problem with Two Supply Sources
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, ...
Anshul Sheopuri, Ganesh Janakiraman, Sridhar Sesha...
WEA
2010
Springer
338views Algorithms» more  WEA 2010»
14 years 2 months ago
New Lower Bounds for the Vehicle Routing Problem with Simultaneous Pickup and Delivery
Abstract. This work deals with the Vehicle Routing Problem with Simultaneous Pickup and Delivery. We propose undirected and directed two-commodity flow formulations, which are bas...
Anand Subramanian, Eduardo Uchoa, Luiz Satoru Ochi
BIOSTEC
2011
201views Healthcare» more  BIOSTEC 2011»
12 years 7 months ago
Aal@home: A New Home Care Wireless Biosignal Monitoring Tool for Ambient Assisted Living
In this article we describe a new wireless biosignal system which monitors in a long-term basis, the users at their homes. The system consists of wearable sensors that measure hear...
Joana Sousa, Susana Palma, Hugo Silva, Hugo Gamboa
ISPD
2009
ACM
126views Hardware» more  ISPD 2009»
14 years 2 months ago
A new algorithm for simultaneous gate sizing and threshold voltage assignment
Gate sizing and threshold voltage (Vt) assignment are popular techniques for circuit timing and power optimization. Existing methods, by and large, are either sensitivity-driven h...
Yifang Liu, Jiang Hu
PE
2007
Springer
137views Optimization» more  PE 2007»
13 years 7 months ago
A prediction method for job runtimes on shared processors: Survey, statistical analysis and new avenues
Grid computing is an emerging technology by which huge numbers of processors over the world create a global source of processing power. Their collaboration makes it possible to pe...
Menno Dobber, Robert D. van der Mei, Ger Koole