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161.
搜索引擎搜索结果的评价技术   总被引:6,自引:0,他引:6  
陶跃华  孙茂松 《情报科学》2001,19(8):861-863,873
搜索引擎根据用户查询在自己的索引数据库中进行查找,并根据相关性分析将查询结果返回给用户。本文就传统信息检索系统的性能效率评价技术,针对Internet的特点,对搜索引擎搜索结果的评价进行了讨论。  相似文献   
162.
为国民(特别是农村人口)建立社会养老保险制度,不仅是一个国家经济社会发展的体现,也是一个国家社会文明和社会和谐的标准。国家对农村社会养老保险进行了积极探索,从老农保到新农保,走过了太多的坎坷与崎岖历程。新农保的理念较为清晰,以公平为指向,但在试点具体实施中存在强制或捆绑参保缴费,损害了制度的公平性,制度的有效性仍然不足,制度的可持续性依然不明晰。新农保应该适时调整政策,并通过相关改革与战略性发展措施,切实提高制度的公平性、有效性和可持续性。  相似文献   
163.
Access to higher education is a key challenge of the 21st century state. The link between higher education and personal and socio-economic development has intensified the need for ensuring that greater numbers of citizens have expanded access to and have been provided with quality higher education. The article seeks to explore how initiatives for increased access to higher education are experienced in India, Brazil and South Africa. As signatories to the IBSA declaration in the spirit of South–South cooperation, the three countries have publicly declared their commitment to enhance equity by, for example, widening access to higher education. We review the way in which the three countries have implemented key equity initiatives and draw lessons from their practice. Notions of ‘effectiveness’ and ‘efficiency’ are used to understand the extent to which each of the individual systems is responsive to the equity agenda. We find that while there have been notable attempts to implement the equity agenda in the quest for making their systems more ‘socially effective’. This is countervailed by a more pervasive ‘efficiency’ doctrine, underpinned by a market-driven economic paradigm. It is concluded that the innovative practices in each of the countries suggest important strides in the equity agenda but also that much still remains to be done. While the article represents a starting point for the much-vaunted South-South collaboration, tentative findings suggest that a more deliberately articulated policy framework characterized by greater inclusion of those previously excluded is necessary in each of the countries if significant and sustainable development is to be achieved.  相似文献   
164.
思想政治教育工作是高校育人工作的重要组成部分。当前,高校思想政治教育面临着经济全球化、信息网络化、文化多元化等新的境遇,同时也面临着一系列新的课题。通过分析影响高校思想政治教育实效性因素,提出旨在改进和增强实效性的措施,如完善思想政治教育环境、提高教育者自身的素质、优化受教育者接受机制、创新思想政治教育内容和改进思想政治教育方法等,力求为高校思想政治教育工作提供有益的借鉴。  相似文献   
165.
增强“90后”大学生理想信念教育实效性的思考   总被引:2,自引:0,他引:2  
理想信念教育是大学生思想政治教育的核心。针对90后大学生群体,理想信念教育应该更加贴近大学生思想与生活的实际,尊重理想信念生成规律,把理想信念教育融会在关注大学生自我发展和解决大学生实际问题的过程之中;把社会理想、长远理想、崇高理想的实现融会在个人理想、近期理想和一般理想的实现之中;把理想信念教育融会在帮助大学生进行正确价值判断与选择的过程之中,真正把理想信念教育落到实处。  相似文献   
166.
This paper reports the results of a small‐scale study of the perceptions of recently‐qualified educational psychologists (EPs) in Scotland about the effectiveness of their Master’s level research and its impact on their own practice, on their service and on the wider educational psychology community. Thematic analysis of the data was carried out. There was widespread agreement that their dissertation research project had a positive and wide‐ranging impact on their own professional development, in terms of their reflective stance, theoretical knowledge and understanding, practical skills and expertise which they could use for training others, and lastly, career enhancement. There were mixed perceptions, however, of the impact their research had on their service or on the wider profession. Proposals for improvement were made in order to build capacity for research and evaluation in psychological services, in the light of increasing interest in professional accountability and evidence based practice (EBP).  相似文献   
167.
笔者系统梳理了乡村旅游、社会网络、组织公民行为和组织有效性的基本理论和研究进展,以社会网络这一关键而独特的分析视角和研究范式为切入点进行新的理论综合和统计测量。选取杭州市郊的龙坞茶村和山沟沟村作为研究对象,遵循"结构——行为——绩效"的分析逻辑,利用社会网络分析(SNA)方法和SPSS统计分析方法,剖析对比了两个案例地的社会网络状况,探讨社会网络对组织有效性的影响机制。研究结果发现,不同的网络结构特征将对乡村旅游地行动者的组织公民行为和乡村旅游组织的组织有效性产生显著不同的影响。  相似文献   
168.
增强思想政治理论课大课教学实效性研究   总被引:1,自引:0,他引:1  
高校思想政治理论课是大学生思想政治教育的主渠道,针对目前思想政治理论课大课教学实效性不足的现状,要切实增强大课教学的效果,加强课堂教学组织管理是前提,改进教学方法手段是基础,增强课堂教学的针对性是关键,规范实践教学是有效途径,创新考试方法是重要保证。  相似文献   
169.
阅读是语言教学中的重要活动,英语阅读教学开展成功与否直接影响着大学生综合运用英语的能力。提高大学英语阅读教学成效是众多英语教育者共同关注的问题。文章试图阐述阅读教学的现状,分析制约阅读教学的主要因素,最后提出了一系列相应的教学对策,旨在探索一条提高英语阅读教学成效的有效途径。  相似文献   
170.
In 2004, the University of Michigan Medical School reduced its gross anatomy curriculum. To determine the effect of this reduction on resident perceptions of their clinical preparedness, we surveyed alumni that included residents from the original and new shortened curricula. A Likert-scale survey was sent to four classes of alumni. Respondents were compared in old curriculum (OC) and new curriculum (NC) groups, surgical specialty (SS) and nonsurgical specialty (NS) groups, and subgroups of SS and NS were compared for differences between OC and NC. Mean response scores were compared using independent samples T-tests. As a single population (n = 110), respondents felt their anatomy education prepared them well for residency, that a more robust anatomy curriculum would be helpful, that dissection was important to their residency preparation, and that a 4th year anatomy elective was effective in expanding their anatomy education and preparing them for residency. No significant difference existed between OC and NC groups, neither as a whole nor as SS and NS subgroups. The SS group felt dissection was more important to their residency preparation than the NS group (P = 0.001) and that a more robust anatomy curriculum would have better prepared them for residency (P = 0.001). Thirty percent of SS respondents who did not take a 4th year elective commented that they wish they had. Fourth year anatomy electives were highly valued by residents, and respondents felt that they should be offered to students as a way of revisiting anatomy following the 1st year of clinical training.  相似文献   
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