نتایج جستجو برای: economical participation

تعداد نتایج: 118056  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1391

with the introduction of communicative language teaching, a large number of studies have concerned with students’ oral participation in language classrooms. although the importance of classroom participation is evident, some language learners are unwilling to engage in oral activities. this passivity and unwillingness to participate in language classroom discussions is known as “reticence”. rev...

Journal: :Operations Research 2014

2011
Noga Alon Yuval Emek Michal Feldman Moshe Tennenholtz

Consider a weighted n-vertex, m-edge graph G with designated source s and destination t. The topology of G is known, while the edge weights are hidden. Our goal is to discover either the edge weights in the graph or a shortest (s, t)-path. This is done by means of agents that traverse different (s, t)-paths in multiple rounds and report back the total cost they incurred. Various cost models are...

Journal: :Canadian Medical Association Journal 2006

Journal: :Minutes of the Proceedings of the Institution of Civil Engineers 1886

Journal: :European Journal of Operational Research 2012
Maria Besiou Patroklos Georgiadis Luk N. Van Wassenhove

Acknowledgments The authors would like to thank the mechanical engineers Georgia Boutzikoudi and Anastasios Mouzouris for the data collection. A Working Paper is the author's intellectual property. It is intended as a means to promote research to interested readers. Its content should not be copied or hosted on any server without written permission from [email protected] Click here to ...

Journal: :Journal of Clinical Pathology 1973

2009
Johan Bos

First-order logic (FOL) is undecidable — that is, no algorithm exists that can decide whether a formula of FOL is valid or not. However, there are various fragments of FOL that are known to be decidable. FO, the two-variable fragment of FOL, is one of such languages [1,2]. FO is a first-order language where formulas have maximally two variables, no function symbols, but possibly do have equalit...

2000
David F. Percy Khairy A.H. Kobbacy

Several models have been proposed for scheduling the preventive maintenance (PM) of complex repairable systems in industry. These are often application-speci"c and some make unrealistic assumptions about stationarity of the process and quality of repairs. We investigate two principal types of general model, which have wider applicability. The "rst considers "xed PM intervals and is based on the...

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