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This paper explores the changing role of world regions (North America, EU15, South EU, Central and Eastern Europe (CEE), Former-USSR, Latin America, Asia Pacific and the Middle East) in science from 1981 to 2011. We use bibliometric data extracted from Thomson Reuter’s National Science Indicators (2011) for 21 broad disciplines, and aggregated the data into(More)
This paper discusses why we need theory and metrics of technology upgrading. It critically reviews the existing approaches to technology upgrading and motivates build-up of theoretically relevant but empirically grounded middle level conceptual and statistical framework which could illuminate a type of challenges relevant for economies at different income(More)
In the knowledge intensive context, firms' capacity to integrate external and internal sources of knowledge becomes an important competitive advantage and may distinguish entrepreneurial from conservative firms. This paper explores the proposition that differences in strategic entrepreneurial orientation (EO) across firms may be significantly determined by(More)
Özetçe El imgelerine dayalı bir kişi tanıma sistemi önerilmiştir. İmgeler, ellerin duruşuna ve takılan aksesuarlara herhangi bir kısıt getirilmeksizin sıradan bir tarayıcı aracılığıyla alınmış olup, tüm el şekline ve teker teker parmaklara uygulanan öteleme ve döndürme işlemleriyle standart duruşa getirilmiştir. Bağımsız Bileşenler Analizi (ICA), Asal(More)
We propose an extension of watershed segmentation to color images. PDE-based regularization is considered prior to the extraction of watershed contours in order to avoid the inherent oversegmentation problem. Several PDEs are implemented and tested in terms of their efficiency as a preprocessing block of watershed segmentation. We have also implemented the(More)
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