The completeness property of the set of real numbers in the transition from calculus to analysis

This paper focuses on teaching and learning the set of real numbers R and its completeness property at the university level. It studies, in particular, the opportunities for understanding this property that students are offered in four undergraduate correlative courses in Calculus and Analysis. The theoretical framework used in the study draws on concepts developed in the Anthropological Theory of Didactics, especially the notions of praxeology and mathematical organization. The paper shows different expectations concerning the same notion (R and its completeness) through different school levels, and intends to bring up some reflections about the transition from Calculus to Analysis.

自学考试运行机制研究

在对自学考试运行机制之概念、要素、存在问题进行分析与研究的基础上,提出完善我国自学考试制度的主要内容、基本措施与重要途径,以期对促进自学考试事业在新历史时期的继续发展有所启示和意义。     

How much of a problem is resident mistreatment in child welfare institutions?

The purpose of this article is to provide information developed since 1980 by the Institutional Child Protection Project about the size and significance of the problem of mistreatment in child welfare residential institutions. In the 1.700 facilities surveyed, there are about 69.000 children and youths. Rates of utilization vary among Health and Human Services (H.H.S.) regions from 8 per 10.000 to 19 per 10.000 children and youths in the population. The average rate is 12 per 10.000. In 1961 this rate was estimated at 10 per 10,000. About 2,700 complaints were reported by facilities to the survey for 1979. Complaint rates range by H.H.S. region from 25 per 1.000 to 55 per 1.000 children and youth in care. The average complaint rate per 1.000 residents in care was 39. Observations of site visitors suggest that only one out of five complainable situations may be reported to child protection agencies. A list of complainable occurrences that came to the attention of site visitors is included to document the problem. An additional effort to assess the significance of this issue is made by comparing intrafamilial complaint rates with rates reported by child welfare facilities. The authors believe residential complaint rates may be twice as large as intrafamilial complaint rates.     

马克思主义人学理论视角下的新制度经济学人性假设反思

马克思主义认为：人是现实的人，是经济人、社会人、道德人的有机统一。其中，社会人是马克思主义人性假设的重点。新制度经济学人性假设是修改了的理性经济人。本文从马克思主义人学理论的角度对新制度经济学人性假设进行反思。通过反恩，既说明了新制度经济学人性假设的合理性、进步性，也揭示了其局限性。     

Institutional Innovation and Public Extension Services Provision: The Marche Regional Administration Reform in Central Italy

Abstract

This paper describes how Marche Regional Administration (MRA) introduced an innovative institutional reform of an Agricultural Knowledge and Information System (AKIS) in central Italy. In order to study the main features of the MRA reform we used a methodological approach based on three steps: (i) first we applied a desk analysis to sketch the main elements of the reform; (ii) we then analyzed farmers' assessment of the institutional change by using information derived from a field survey on a sample of beneficiaries, and (iii) using a focus group technique. We found that MRA reform introduced an institutional innovation in the domain of public extension services (ES) provision within the Italian context. However, the assessment of the short-term effects indicate that the original objectives of the reform have been only partially achieved. This is in line with other experiences presented in the literature and confirms the difficulties to introduce institutional innovation in the domain of AKIS. The paper describes the analysis of an institutional reform in the AKIS domain which has been considered a ‘best practice’ within the Italian context. Using an institutional analysis approach the paper provides an original way of looking at a ‘new’ model for organizing public ES.     

Digital Transformation Challenges for Universities: Ensuring Information Consistency Across Digital Services

Abstract

Universities struggle to offer complete, up-to-date and consistent information about their key assets to their numerous users across various digital services and communication channels. Key assets include people, papers, books, dissertations, patents, courses, and research projects. The main difficulty stands in the intrinsic data fragmentation and data diversity: data about the key assets is scattered across multiple information silos, data is often duplicated and difficult to correlate due to the diversity in the format, metadata, conventions, and terminology used. We illustrate how this difficulty can be tackled and describe the work carried out at the University of Trento in Italy.     

Shutting Down a Consortial Digital Repository Service

ABSTRACT

This column examines the lifecycle of one consortial digital repository service, the Alliance Digital Repository. Though the consortial service provided important infrastructure for members, the nature of digital repository work made it difficult to realize economies of scale. After eight years, members discontinued the shared service and replaced it with single-institution repositories that they could more readily support with the resources available to them. Based on my experiences helping members transition from shared to single-institution repositories, I offer advice for administrators planning or participating in consortial digital repository services.     

与科学数据库结合的机构知识库建设探索

我国机构知识库建设取得一定的成果,但通过对OpenDOAR的数据分析和对比发现,我国在全球机构知 识库中的影响力还比较小。文章提出了一个与科学数据库相结合的IR建设新框架,并对功能和特点进行了介绍。IR建 设需要继续紧密结合科研实际需求,补充和挖掘科学数据和特色资源,加强相关学科的信息资源整合,特别是科学数 据库,拓展服务方式,提高服务的深度和专业性。