نتایج جستجو برای: multiple objective functions

تعداد نتایج: 1706119  

Journal: :Agricultural and Resource Economics Review 1996

Journal: :American Journal of Operations Research 2013

Journal: :Oper. Res. Lett. 2012
Jochen Gorski Kathrin Klamroth Stefan Ruzika

We consider multiple objective combinatorial optimization problems in which the first objective is of arbitrary type and the remaining objectives are either bottleneck or k-max objective functions. While the objective value of a bottleneck objective is determined by the largest cost value of any element in a feasible solution, the k-largest element defines the objective value of the k-max objec...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1388

plagiarism in esl/efl learning contexts has been established as a dynamic and multi-layered phenomenon and has become a topic engaging many researchers in a heated debate in recent years. comparisons of student-generated texts with their source texts have shown that students rely on source texts in their writings and copying is a major strategy used by both l1 and l2 writers. in our country a...

Journal: :iranian journal of immunology 0
afshin namdar department of immunology, school of medicine, isfahan university of medical sciences, isfahan hamid reza mirzaei department of immunology, school of medicine farhad jadidi-niaragh department of pathobiology, school of public health mahboubeh ashourpour department of pathobiology, school of public health maryam ajami department of immunology, school of medicine, tarbiat modares university, tehran, iran jamshid hadjati department of immunology, school of medicine abbas rezaei

background: melanoma progression and metastasis is suggested to be mediated by increased accumulation of myeloid derived suppressor cells. various chemotherapeutic drugs such as 5-fluorouracil in single low concentration have the capacity, at least in part, to reverse tumor progression by reducing myeloid derived suppressor cellsmediated immunosuppression. objective: to assess whether multiple ...

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