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تعداد نتایج: 1541463  

Purpose: This is an applied research, with the aim of a comparative study of the presence and participation of Iranian and international researchers affiliated with the top scientific centers (Times Ranking 2020), in the Research Gate research network. Altimetric indicators, such as "RG score", "Reads", "number of registrations" and "number of research items" were considered. Methodology: Sur...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1390

this study was designed and conducted to find out if there is any significant relationship between iranian efl learners preferance for one of the three degrees of obtrusiveness in foreign language instruction (focus on form, forms and meaning) and their preferred experiential learing style. to collect the data two questionnaires were used. the first one on the degree of obtrusiveness and the se...

2013
Neha Singh P. K. Pandey

Efficient execution of top-k queries is increasingly becoming a major challenge for relational database technology. Top-k query has emerged as a key requirement in modern application. In these applications, efficient and adaptive evaluation of top-k queries is an integral part of application semantics. In this paper we discuss a query optimization framework of top-k queries that fully integrate...

Journal: :Quantitative science studies 2023

Abstract The COVID-19 pandemic led to a surge of academic publications in medical journals early 2020. A concern has been that the methodological quality this research is poor, due large volume submitted and rapidity peer review. aim present study was examine papers appeared 15 top-ranked generalist public health related contributing each journal’s h5 index were identified following data collec...

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