نتایج جستجو برای: scopus

تعداد نتایج: 18953  

Journal: :J. Informetrics 2016
György Csomós Géza Tóth

Global cities are defined, on the one hand, as the major command and control centres of the world economy and, on the other hand, as the most significant sites of the production of innovation. As command and control centres, they are home to the headquarters of the most powerful MNCs of the global economy, while as sites for the production of innovation they are supposed to be the most importan...

2017
Ali Khalili Peter Van den Besselaar Al Koudous Idrissou Klaas Andries de Graaf Frank van Harmelen

Up to now, STI (Science, Technology, Innovation) studies are either rich but small scale (qualitative case studies) or large scale and under-complex – because they generally use only a single dataset like Patstat, Scopus, WoS (Web of Science), OECD STI indicators, etc., and therefore deploying only a few variables – determined by the data available. However, progress in the STI research field (...

Journal: :J. Informetrics 2016
Lutz Bornmann Moritz Stefaner Félix de Moya Anegón Rüdiger Mutz

In this study we present an application which can be accessed via www.excellence-networks.net and which represents networks of scientific institutions worldwide. The application is based on papers (articles, reviews and conference papers) published between 2007 and 2011. It uses (network) data, on which the SCImago Institutions Ranking is based (Scopus data from Elsevier). Using this data, inst...

Journal: :J. Informetrics 2010
Henk F. Moed

This paper explores a new indicator of journal citation impact, denoted as source normalized impact per paper (SNIP). It measures a journal’s contextual citation impact, taking into account characteristics of its properly defined subject field, especially the frequency at which authors cite other papers in their reference lists, the rapidity of maturing of citation impact, and the extent to whi...

Journal: :CoRR 2008
Lokman I. Meho Yvonne Rogers

This study examines the differences between Scopus and Web of Science in the citation counting, citation ranking, and h-index of 22 top human-computer interaction (HCI) researchers from EQUATOR—a large British Interdisciplinary Research Collaboration project. Results indicate that Scopus provides significantly more coverage of HCI literature than Web of Science, primarily due to coverage of rel...

Journal: :medical journal of islamic republic of iran 0
zoleikha mahmudi vice chancellor for research, shiraz university of medical sciences, shiraz, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences) iman tahamtan health information management research center, hormozgan university of medical sciences, bandar abbas, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی هرمزگان (hormozgan university of medical sciences) shahram sedghi health management and economics research center, iran university of medical sciences, tehran, & health management and economics research center, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) masoud roudbari school of public health, iran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)

background: we conducted a comprehensive bibliometrics analysis to calculate the h, g, m, a and r indicators for all iranian biomedical research centers (ibrcs) from the output of isi web of science (wos) and scopus between 1991 and 2010. we compared the research performance of the research centers according to these indicators.   methods : this was a cross-sectional and descriptive-analytical ...

ژورنال: :پیاورد سلامت 0
سیدجواد قاضی میرسعید seyed javad ghazi mirsaeid assistant professor in medical library and information sciences, medical library and information sciences department, school of allied medicine, member of health information management research center, tehran university of medical sciences, tehran, iranاستادیارگروه کتابداری و اطلاع رسانی پزشکی، دانشکده پیراپزشکی، عضو مرکز تحقیقات مدیریت اطلاعات سلامت، دانشگاه علوم پزشکی تهران، تهران، ایران زهرا پورامینی zahra pouramini master of sciences student in medical library and information sciences, school of allied medicine, tehran university of medical sciences, tehran, iranدانشجوی کارشناسی ارشد کتابداری و اطلاع رسانی پزشکی، دانشکده پیراپزشکی، دانشگاه علوم پزشکی تهران، تهران، ایران

زمینه و هدف: عدم توجه به مقوله ی همپوشانی در دو پایگاه اطلاعاتی، باعث خرید منابع تکراری و در نتیجه اتلاف بخشی از اعتبارات تخصیصی می شود، به همین منظور این مطالعه با هدف بررسی میزان همپوشانی مقالات حوزه قلب و عروق نمایه شده در دو پایگاه اطلاعاتی scopus وweb of science در فاصله سالهای 2001 تا 2010 انجام گردید. روش بررسی: در این مطالعه پیمایشی ابتدا سرعنوانهای فرعی زیر سرعنوان قلب و عروق از اصطلاح...

Journal: :Eurasia journal of mathematics, science and technology education 2021

This study presents a bibliometric analysis of research on mathematics education from 1980 through 2020. The purpose the is to provide scientific data distribution pattern journals, most prolific authors, countries, institutions, current topics, potential international collaboration, and direction research. A total 12 670 articles were retrieved Scopus database number publications predicted inc...

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