نتایج جستجو برای: local and global social science

تعداد نتایج: 17118080  

Journal: :Scientific reports 2016
Kaj-Kolja Kleineberg Marián Boguñá

The overwhelming success of online social networks, the key actors in the Web 2.0 cosmos, has reshaped human interactions globally. To help understand the fundamental mechanisms which determine the fate of online social networks at the system level, we describe the digital world as a complex ecosystem of interacting networks. In this paper, we study the impact of heterogeneity in network fitnes...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1389

سیستم های تأیید هویت مبتنی بر چهره از جمله سیستم های زیست سنجی هستند که بدلیل نامحسوس بودن و قابلیت های بالا از جایگاه ویژه ای برخوردار هستند و کاربرد آنها در حال افزایش است. یکی از مهم ترین مراحل، در سیستم های تأیید چهره، مرحله استخراج ویژگی است که بر عملکرد سایر قسمت های سیستم های تایید چهره تاثیر بسزایی دارد. از این دیدگاه، سیستم های تائید چهره را می توان به دو دسته عمده تقسیم نمود: استخراج ...

1999
Michael G. Harvey Cheri Speier Milorad M. Novicevic

As organizations become more global in their strategic orientation, the need for developing global managers becomes imperative. One of the distinguishing features of global organizations is to effectively manage global operations in a consistent manner but at the same time allow flexibility at the country level to effectively compete. Acquisition and sharing of tacit social knowledge necessary ...

2012
Michael Fischer Daniel Sosna

The contributions in this issue of Social Science Computer Review represent a range of computational approaches to theoretical and disciplinary specializations in anthropology that reflect on and expand the future orientation and practice of the formal and comparative agenda in the context of an increasing emphasis on complexity in anthropology as a discipline. Themes covered in this issue incl...

Journal: :Science 2010
W V Reid D Chen L Goldfarb H Hackmann Y T Lee K Mokhele E Ostrom K Raivio J Rockström H J Schellnhuber A Whyte

916 POLICYFORUM T remendous progress has been made in understanding the functioning of the Earth system and, in particular, the impact of human actions (1). Although this knowledge can inform management of spe-cifi c features of our world in transition, societies need knowledge that will allow them to simultaneously reduce global environmental risks while also meeting economic development goals...

Journal: :جنگل و فرآورده های چوب 0
الهه علی بابایی عمران دانشجوی کارشناسی ارشددانشگاه تهران مهدی قربانی استادیار دانشگاه تهران محمدرضا مروی مهاجر استاد دانشگاه تهران محمد عواطفی همت استادیار دانشگاه تهران

forest management as one of the important source of production is crucial and critical. in taking over the forest resources as one of the most important of natural resources in the world, it is essential to consider local stakeholders to implement forest action plan for forest co-management. therefore, this study aims at achieving to proper management of forests based on evaluating the stakehol...

2011
Thomas T. Hills Thorsten Pachur

Recalling people we know is a key cognitive function, influencing studies of contagious disease, how we see our relative position in the world, and who we invite to our weddings. Whereas social memory has often been studied independently from other memory research (e.g., Bond et al., 1985; Brewer et al., 1995), we focus here on possible parallels with search in other domains—in particular the t...

Journal: :Science 2009
David Lazer Alex Pentland Lada Adamic Sinan Aral Albert-Laszlo Barabasi Devon Brewer Nicholas Christakis Noshir Contractor James Fowler Myron Gutmann Tony Jebara Gary King Michael Macy Deb Roy Marshall Van Alstyne

2015
Carol Cardona Dominic A. Travis Kavita Berger Gwenaële Coat Shaun Kennedy Clifford J. Steer Michael P. Murtaugh P. Sriramarao

Numerous interspecies disease transmission events, Ebola virus being a recent and cogent example, highlight the complex interactions between human, animal, and environmental health and the importance of addressing medicine and health in a comprehensive scientific manner. The diversity of information gained from the natural, social, behavioral, and systems sciences is critical to developing and ...

Background Prior experience and the persisting threat of influenza pandemic indicate the need for global and local preparedness and public health response capacity. The pandemic of 2009 highlighted the importance of such planning and the value of prior efforts at all levels. Our review of the public health response to this pandemic in Pune, India, considers the challenges of integrating global ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید