نتایج جستجو برای: balanced cost
تعداد نتایج: 430917 فیلتر نتایج به سال:
We compared desflurane to propofol as the main anaesthetic in a balanced anaesthetic technique during elective arthroscopic day-case procedures with special reference to cost-effectiveness. A total of 80 ASA classification I patients were studied in a prospective randomised fashion. Surgery and anaesthesia were uneventful in all cases. Time spent in the recovery room and time to discharge was e...
We give the first constant factor approximation algorithm for the asymmetric Virtual Private Network (Vpn) problem with arbitrary concave costs. We even show the stronger result, that there is always a tree solution of cost at most 2·OPT and that a tree solution of (expected) cost at most 49.84 ·OPT can be determined in polynomial time. For the case of linear cost we obtain a (2+ε S )-approxima...
Cost function based routing has been widely studied in wireless sensor networks for energy efficiency improvement and network lifetime elongation. However, due to the complexity of the problem, existing solutions have various limitations. In this paper, we analyze the inherent factors, design principles and evaluation methods for cost function based routing algorithms. Two energy aware cost bas...
In this paper we consider a Jackson network of independent service stations. To improve upon the total expected waiting time, the stations may redistribute the total arrival rate of customers over all queues. We investigate this situation by means of arrival rate games. These are cooperative TU cost games in which the stations are the players and the total cost of a coalition is linear in the t...
This paper proposes a comprehensive, multi-objective, mixed-integer, nonlinear programming (MINLP) model for a cell formation problem (CFP) under fuzzy and dynamic conditions aiming at: (1) minimizing the total cost which consists of the costs of intercellular movements and subcontracting parts as well as the cost of purchasing, operation, maintenance and reconfiguration of machines, (2) maximi...
This whitepaper reviews design options for the IsoDAR electron antineutrino source. IsoDAR is designed to produce 2.6 × 10 ν̄e per year with an average energy of 6.4 MeV, using isotope decay-at-rest. Aspects which must be balanced for cost-effectiveness include: overall cost; rate and energy distribution of the ν̄e flux and backgrounds; low technical risk; compactness; simplicity of underground c...
Functional macro testing of analog subsystems is providing a reasonable approach to testing in mixed signal systems. This allows the partitioning of the analog from digital components. Two approaches emerge: analog test bus and Built-In-Self-Test (BIST). Design-for-Test (DFT) issues arise in both approaches which include additional circuitry for control and observation. This additional circuit ...
We study an access trace containing a sample of Wikipedia’s traffic over a 107-day period aiming to identify appropriate replication and distribution strategies in a fully decentralized hosting environment. We perform a global analysis of the whole trace, and a detailed analysis of the requests directed to the English edition of Wikipedia. In our study, we classify client requests and examine a...
0957-4174/$ see front matter 2009 Elsevier Ltd. A doi:10.1016/j.eswa.2009.01.005 * Corresponding author. Tel.: +886 33412500x6103 E-mail addresses: [email protected], whydec6 [email protected] (G.-H. Tzeng), j02255@ji-ee The paper proposed a Fuzzy Multiple Criteria Decision Making (FMCDM) approach for banking performance evaluation. Drawing on the four perspectives of a Balanced Scorec...
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