نتایج جستجو برای: expression optimization

تعداد نتایج: 1184372  

Journal: :Siam Journal on Optimization 2021

This paper studies bilevel polynomial optimization. We propose a method to solve it globally by using optimization relaxations. Each relaxation is obtained from the Karush--Kuhn--Tucker ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بوعلی سینا - دانشکده علوم پایه 1391

abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...

Journal: :International Journal of Signal Processing, Image Processing and Pattern Recognition 2016

Journal: :iranian journal of biotechnology 2013
parichehr darabi hamid galehdari saeed reza khatami nahid shahbazian mohammad shafeei

background: leukemia inhibitor factor (lif) is a very important pleiotropic cytokine which belongs to interleukin-6 (il-6) family. lif exerts multiple effects on different types of cells and tissues with numerous regulatory effects in vivo and in vitro. it is a lymphoid factor, which performs a number of activities including cholinergic neuron differentia­tion, control of stem cell pluripotency...

Journal: :research in pharmaceutical sciences 0

human epidermal growth factor receptor (her) family plays an important role in various types of cancers. as a result, antibodies against her and the mechanism of antigen-antibody binding action are under active investigation. we previously constructed a single-chain variable fragment (scfv) against her2, i.e. anti-her2 scfv, for expressing in the escherichia coli . in the present study, we repo...

Journal: :CoRR 2012
Paul Prasse Christoph Sawade Niels Landwehr Tobias Scheffer

This paper addresses the problem of inferring a regular expression from a given set of strings that resembles, as closely as possible, the regular expression that a human expert would have written to identify the language. This is motivated by our goal of automating the task of postmasters of an email service who use regular expressions to describe and blacklist email spam campaigns. Training d...

2003
Guoren Wang Mengchi Liu

Regular path expression is one of the core components of XML query languages, and several approaches to evaluating regular path expressions have been proposed. In this paper, a new path expression evaluation approach, extent join, is proposed to compute both parent-children (‘/’) and ancestor-descendent (‘//’) connectors between path steps. Furthermore, two path expression optimization rules, p...

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