1,721,103 research outputs found
Multiband Optical Networks Control and Provisioning
No full textThis paper presents viable solutions for the control of a multi-band optical network. NETCONF and augmented OpenConfig YANG data models are adopted to configure and monitor the state of network devices. Both connection provisioning and Quality of transmission estimation account for Stimulated Raman Scattering
Leading Women Entrepreneurs of Thailand
No full text"Marriage is like an elephant-- the husband is the front legs that choose the direction, the wife the back legs, providing the power!" – Thai Legend\ud
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Introduction\ud
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The Thai legend above illustrates the important yet veiled role of women in Thai society. Women comprise 46% of the labour force, 26% of senior officials, legislators and managers (UNDP, 2006), and nearly 50% of the entrepreneurs (Minniti, Allen & Langowitz, 2006) in Thailand. Most of these women are running small companies, but a handful head large, growth-oriented entrepreneurial firms. In this chapter, we profile four leading Thai women who have been recognized with the highly prestigious "Leading Women Entrepreneurs of the World" (LWEW) award: Kobkarn Wattanavranangkul , Khungying Pornthip Narongdej, Supapan Pichaironarongsongkram and Supaluck Umpujh.\ud
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Despite the awareness of female entrepreneurs’ role in economic development (OECD, 2000), there has been limited academic attention (Baker, Aldrich & Liou 1997; de Bruin, Brush & Welter 2006), particularly to highly successful "gazelle" entrepreneurs. Extant female entrepreneurship research has explored a range of topics including gender differences (e.g. Birley, 1989; Hisrish & Brush, 1984), performance (e.g. Fasci & Valdez, 1998) and financing (e.g. O’Gorman & Terjesen, 2005). Researchers have called for studies of entrepreneurship that take into account the role of culture (Hayton, George & Zahra, 2002) and are of a qualitative nature (Gartner & Birley, 2002; Davidsson, 2004).\ud
This chapter proceeds as follows. We begin by providing an overview of enterprise and female entrepreneurship in Thailand. Next, we describe relational theory in the context of female entrepreneurship, paying particular attention to the role of family. Following a description of the data and methodology, we review four case studies of Thai "gazelle" entrepreneurs. Following a discussion of key themes, we conclude with implications and suggestions for future research
Multicarrier Transmission Optimization in Elastic Optical Networks
No full textThis study investigates the trade-off between Quality of Transmission (QoT) performance and spectrum efficiency through low-margin operation of multicarriers. Margin reduction is enabled by implementing tight filtering and slight subcarriers overlap. Experiments conducted on a Software Defined Networking (SDN)-controlled Elastic Optical Network (EON) testbed demonstrate spectrum-efficient multicarriers composed of three subcarriers, achieving savings of up to 22% in spectrum occupation for 80 km optical connections
Experimental Optimization of Power-Aware Super-Channels in Elastic Optical Networks
No full textPower-Aware super-channel optimization is experimentally demonstrated using a 600Gbit/s transponder in the SDN-controlled Elastic Optical Network. The trade-off between power consumption and spectrum efficiency is investigated by operating super-channels at nominal and low-margin conditions. Results show that physical layer and operational modes impact power consumption regardless of the spectrum efficiency. Experiments on 800 Gbit/s super-channels show 7% power saving when super-channels are operated at nominal spectrum usage
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Experimental Optimization of Spectrum-Efficient Super-Channels in Elastic Optical Networks
No full textAutomatic super-channel optimization is experimentally demonstrated using a 600Gb/ s transponder in the SDN-controlled Elastic Optical Network. Margin reduction while guaranteeing Quality of Transmission allows for a spectrum occupation reduction of 25%
Neural Network-Based Control of TDFA
No full textThe complexity of controlling optical amplifiers with multiple pumps, like Thulium-Doped Fiber Amplifiers (TDFAs), stems from the need to select the optimal pumping to ensure proper operation (e.g., maintaining a constant target output power). Therefore, an experimental demonstration of neural network-assisted SDN control of TDFA configuration is presented. The proposed optimization enables efficient automated TDFA control, resulting in an RMSE of 0.23 dBm between target and actual output power
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
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