国有企业行为目标转变的伦理学分析——兼论国有企业的道德失范

本文通过对国有企业的经营行为在两种体制下的比较分析,依据集体主义的社会主义道德原则,探讨国有企业经营行为在不同体制下的道德含义,着重分析了不同体制下的国有企业经营行为和集体主义原则的结合,以及国有企业道德失范的原因。     

遗传算法在高校排课问题中的应用

排课问题是一个多因素的优化决策,是组合规划中的典型问题,属于NP完全类问题。根据高校课表的特点,采用遗传算法,给出染色体编码和适应度函数,提供了利用遗传算法解决排课问题的方法。     

Computer ethics: Future directions

Changes in information technologylead to new topics and new emphases in computerethics. The present article examines a varietyof such issues, and argues that computer ethicsmust become more rigorous and develop astronger theoretical base. The articleconcludes with a discussion of ways to makecomputer ethics more effective in bringinghelpful changes to the world.     

环ZP^m上的循环码

环Zp^m上的循环码定义为环Rm=Zp^m／（X^n-1〉的理想。本文考虑环Zp^m上的n=p^k长（k为任意正整数）的循环码结构,并确定了Zp^m上循环码的生成元。     

Serving two masters: how vocational educators experience marketisation reforms

Contemporary education reforms that draw ideas from the political and economic fields are said to be altering the nature of vocational education. While there are substantial policy studies on the effects of marketisation reforms, fewer analyse the perspectives of vocational educators on such reforms. How vocational educators negotiate the potential clash of values when marketisation reforms are enacted within the sector remains relatively unexplored. This paper aims to incorporate these perspectives in order to explore and help explain the responses of vocational educators to such changes. To do so the paper draws on concepts from Legitimation Code Theory, a sociological framework for analysing practices and beliefs. Specifically, it enacts ‘autonomy codes’, which reveal how external forces impact upon the internal practices of a social field. These concepts are used to analyse the beliefs and perceptions of a group of vocational educators in Australia who are undergoing marketisation reforms. The analysis suggests that many educators are experiencing a growing ‘code clash’ between the goals they attribute to reforms and their own beliefs about public education and the expectations of their students, one which problematises their capacity to reconcile these sets of values and colours their views of changes in the sector.     

On constructing symmetrical reversible variable-length codes independent of the Huffman code

Reversible variable length codes (RVLCs) have received much attention due to their excellent error resilient capabilities. In this paper, a novel construction algorithm for symmetrical RVLC is proposed which is independent of the Huffman code. The proposed algorithm's codeword assignment is only based on symbol occurrence probability. It has many advantages over symmetrical construction algorithms available for easy realization and better code performance. In addition, the proposed algorithm simplifies the codeword selection mechanism dramatically.     

浅析密码学技术

本通过密码学的起源、发展、概念、分类、特性及其研究现状来介绍了密码学技术。     

卷积码的代数结构

本文分析了几种常用的卷积码编码器,证明由这些编码器生成的卷积码都是整环模的子模.     

Oppositional codes: The case of the penitentiary of New Mexico riot

Understanding of the 1980 riot at the Penitentiary of New Mexico can be improved by emphasizing how language congealed into two distinct codes—one belonging to inmates, the other to prison administrators—that provided their respective users with diametrically opposed views of the world and ways of acting upon it. A code‐based analysis of the riot attempts to overcome some of the shortcomings of both agency‐based and structuralist accounts by stressing the dynamics of agency and structure within code opposition. By so doing, the analysis offers critical diagnostic tools for communication analysts and conflict mediators who may be called upon to intervene in social situations where agents appear to be locked intractably in oppositional conflict.