1,721,019 research outputs found
Energy efficiency-delay tradeoff for a cooperative NOMA system
No full textThe tradeoff between the energy efficiency (EE) and delay problem in cooperative relaying system is studied by using Non-orthogonal multiple access (NOMA) in this paper. To obtain an efficiency tradeoff between EE and delay, a stochasticbased EE optimization problem is formulated by considering the system queue stability. Then, the fractional programming and control parameter-based Lyapunov optimization method is proposed to solve the formulated problem. Furthermore, we derive the analytical bounds of EE and delay based on the control parameter. Finally, simulation results verify that the proposed cooperative NOMA system performs better than the traditional orthogonal multiple access (OMA) cooperative system
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
孔子美育思想研究
No full text[[abstract]]本研究旨在探討孔子的美育思想，以十八世紀德哲席勒美育的涵義做為彰顯孔子美育
思想的詮釋參考依據，並以美育形成的三要件作為分析架構，探討影響孔子美育思想
的生平事蹟、背景、哲學基礎、審美標準及實施內涵，並予以評論，期對現代美育之
實施有所啟示與建議。
全文除緒論及結論外共分四章。第壹章探討影響孔子美育思想的生平事蹟，分「生於
魯國、周文昌盛」、「出身貧賤、多能鄙事」、「拜師學樂、悟其精髓」三節說明，
以了解地理因素、家庭背景及學習經驗對其美育思想的影響。第貳章探討孔子美育思
想的背景，則上溯西周，就永言配命的人文精神、禮樂制度的燦然大備及藝術創作的
高度成就三方面分析，得知西周豐富的文化遺產正是孔子蘊育美育思想的溫床。降至
春秋時代禮壞樂崩，造成名實不一、重文輕質、縱情聲色等後遺症，藝術風格也趨向
庸俗膚淺，孔子對此社會現象深感憂心與不滿，遂透過深刻的哲學省思，力圖藉美育
提昇人的精神生命。第參章則探討孔子美育思想的哲學基礎，就「尊重宇宙萬物的價
值」、「面對現實人生的執著」、「強調情感作用的直覺」、「保持事理兩端的調和
」四節討論，以明白統攝其美育思想的大原則。第肆章探討孔子美育思想的實施內涵
，首先以「盡善盡美」、「文質彬彬」、「中庸平和」作為孔子審美的標準；在功能
與目標方面，除能自得其樂外，最重要在透過美育達到仁的完美人格，以至安邦興國
；在內容與方法上，從「興於詩」、「游於藝」、「成於樂」、「化於山水」四方面
闡述。可說孔子美育思想現實以周朝優美的文化作基礎，以精神修養為階梯，以達到
人格健全及精神自由的目標。
在結論部份，首先對孔子美育思想作一總結，提出其美育思想的貢獻，包括以人為本
、重視文化的傳承、情理和諧美善合一等重大突破，文中也就若干學者對孔子美育思
想不當的責難提出反駁。孔子美育思想肯定人性、發揚人倫、陶冶人格、追求人道、
尊重歷史文化，實可以「人文的美育思想」一語涵括。而孔子以美育作為統整人格的
目標，對美育教材慎加選擇，避免庸俗文化腐蝕人心，追求完滿、喜樂、自由、美的
人生，可矯正現代文化過度強調功利的弊病，在今日仍足供教育工作者取法，具有不
可磨滅的價值。
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
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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