互补约束问题的信赖域算法

本文构造了一种新的互补问题的价值函数,从而把互补约束问题等价地转化为一般约束优化问题.紧接着,本文给出了信赖域算法,并证明了其算法的全局收敛.     

浅谈师范生信息素质的培养

随着教育信息化的推进和中小学信息技术教育的迅速开展，给师范院校带来机遇的同时也提出了新的挑战，师范生的信息素质亟待提高。本文在对师范生信息素质培养的现状进行深入分析的基成上，提出了相应的对策建议。     

Hybrid heuristic and mathematical programming in oil pipelines networks： Use of immigrants

We solve the problem of petroleum products distribution through oil pipelines networks. This problem is modelled and solved using two techniques: A heuristic method like a multiobjective evolutionary algorithm and Mathematical Programming. In the multiobjective evolutionary algorithm, several objective functions are defined to express the goals of the solutions as well as the preferences among them. Some constraints are included as hard objective functions and some are evaluated through a …     

网络环境下研究性学习中教与学的角色转变

21世纪人类正以惊人的速度步入信息时代。信息时代的到来不仅极大地改变了人们的生产方式和生活方式,而且极大地改变了人们的思维方式和学习方式,对传统教育教学方式形成冲击。信息时代交互性与多元性的教育特征和以人为本的现代教育理念,必将对学校的教育教学产生巨大影响,使教与学角色发生转变,并促使学校教育越来越走向网络化、虚拟化、国际化和个性化。     

Automatische und interaktive Stundenplanung

Zusammenfassung. Das System fur die interaktive, automatische Stundenplanung ist im Rahmen der Forschungsarbeiten des Bereichs Planungstechnik und Deklarative Programmierung in Fraunhofer FIRST zur Erweiterung der Constraint-basierten Programmierung entwickelt worden. Mit dem System wird die Stundenplanung der Medizinischen Fakultat Charité seit dem Sommersemester 1998 vorgenommen. Seitdem wurde das System kontinuierlich weiterentwickelt. Der erfolgreiche Einsatz des Systems zeigte, dass die gewahlten Methoden und Verfahren sehr geeignet fur die Behandlung derartiger Probleme sind. Die Vorteile einer kombinierten interaktiven und automatischen Stundenplanerzeugung konnten eindeutig nachgewiesen werden.CR Subject Classification: I.2.8, I.2.3, J.1, K.3.2, D.3.3, D.1.6Eingegangen am 15. März 2003 / Angenommen am 9. März 2004, Online publiziert: 1. Juli 2004     

民办基础教育可持续发展的制约因素及其对策

改革开放以来,我国民办基础教育获得了较大发展,成为公办教育的有益补充。但其发展仍然受到属性定位不明确、产权界定不明晰、合理回报率不确定、制度供给不充足、政府管理不到位等因素的制约,必须加强民办基础教育的法制建设,分类确定民办基础教育学校的身份,明确界定产权关系,正确对待营利性与回报率,建立民办基础教育统筹管理制度,以推进民办基础教育的可持续发展。     

The tale of the snake and the elephant: Intellectual property expansion under informational capitalism

While macro theorists of informational capitalism have tended to consider intellectual property in a vague and general way, intellectual property researchers have tended to focus on extremely specific issues. What gets missed is an understanding of intellectual property as a system and its relationship with the totality of capitalism. Starting from a cognitive materialist approach, this article offers a systematic account of the recent expansion of intellectual property rights. Thereafter, it situates the data on the expansion of intellectual property vis-à-vis the transition from industrial to informational capitalism and relates that expansion specifically to informational productive processes. It concludes with a general proposition about the relationship between the changes of stage in capitalism and the institutions of intellectual property.     

教育技术理论体系的重构:路线图

文章围绕教育技术理论体系的重构提出了一张路线图。并对其五个组成部分:理念、策略、途径、融合、目标,作了较深入的阐述。     

Understanding and measuring coordination and control in kicking skills in soccer: Implications for talent identification and skill acquisition

In this review, we explore the role of motor control and biomechanics in developing an understanding of soccer skills using kicking as the main vehicle. The links between these sub-disciplines of sport science have not been well established in the past because of an emphasis on cognitive processes in traditional accounts of motor behaviour. We argue that a dynamical systems interpretation of the processes of coordination and control in movements with multiple degrees of freedom signals a new era in the relationship between the sub-disciplines of motor control and biomechanics. Although research on coordination and control of soccer skills is currently sparse, there are indications that the relationship between motor control and biomechanics could form a significant component of scientific programmes in talent identification and skill development. Further interdisciplinary work is needed to enhance understanding of coordination and control of soccer skills.     

Open learning in India: evolution,diversification and reaching out

Distance education has a history of over four decades in India. There has been a vast growth in the number of learners who need education and thus also the corresponding channels of providing education. Due to the constraints of the traditional educational sector, open and distance learning has been found to be a workable alternative strategy in India. This paper traces the evolution and diversification of open learning in India by examining various factors that led to the growth and success of open learning. This system, as other systems of education, is not free from problems and a critique is provided on the various factors affecting the smooth functioning of India’s open and distance learning system.