搜索引擎的技术现状及其发展趋势   总被引：5，自引：0，他引：5  

万志峰 《现代图书情报技术》2004,(Z1)

介绍了基于文本信息检索的搜索引擎分类和基于内容的多媒体信息检索的搜索引擎技术现状 ,并介绍了每种技术类型的特点。通过分析应用需求、技术发展的现状和遇到的技术问题 ,预测了搜索引擎的发展趋势。  相似文献   

电子政务技术框架   总被引：2，自引：1，他引：2  

孔敏  邓三鸿  王亚清 《现代图书情报技术》2004,(1):72-75

为了提高电子政务的实施水平，避免盲目和重复投资，实现信息共享和政府协同工作，本文从电子政务实际操作出发，给出了一个三层的电子政务技术框架，并介绍了电子政务建设中，应该考虑和采用的技术手段和方法，为电子政务的政府管理人员和技术实施人员提供了前沿技术指南。  相似文献   

"河洛文化文献专题数据库"建设方略探微   总被引：7，自引：0，他引：7  

吴涛 《现代图书情报技术》2005,(6):60-64,94

以洛阳师范学院图书馆“河洛文化文献专题数据库”建库实践为例，分析、探讨了特色数据库建设当中的突出问题和技术难点，并相应地给出了解决方案。  相似文献   

加强"两课"在高校思想政治教育中主渠道和主阵地作用的思考     

张丰 《喀什师范学院学报》2005,26(5):78-80

从四个方面阐述了“两课”教学中存在的普遍问题,并从提高教师素质、改进教学方法、领导重视三方面提出了创新“两课”教学,发挥其在高校思想政治教育中主渠道和主阵地作用的方法。  相似文献   

Automated Classification to Improve the Efficiency of Weeding Library Collections     

Kiri L. Wagstaff  Geoffrey Z. Liu 《The Journal of Academic Librarianship》2018,44(2):238-247

Previous studies have shown that weeding a library collection benefits patrons and increases circulation rates. However, the time required to review the collection and make weeding decisions presents a formidable obstacle. This study empirically evaluated methods for automatically classifying weeding candidates. A data set containing 80,346 items from a large-scale weeding project running from 2011 to 2014 at Wesleyan University was used to train six machine learning classifiers to predict a weeding decision of either ‘Keep’ or ‘Weed’ for each candidate. The study found statistically significant agreement (p?=?0.001) between classifier predictions and librarian judgments for all classifier types. The naive Bayes and linear support vector machine classifiers had the highest recall (fraction of items weeded by librarians that were identified by the algorithm), while the k-nearest-neighbor classifier had the highest precision (fraction of recommended candidates that librarians had chosen to weed). The variables found to be most relevant were: librarian and faculty votes for retention, item age, and the presence of copies in other libraries.  相似文献   

Disaster philanthropy: Exploring the power and influence of for-profit philanthropy in education development during pandemic times     

《International Journal of Educational Development》2021

This article contributes a conceptual analysis of the power and influence of for- profit philanthropy on educational development during pandemic times. Through highlighting for-profit philanthropy, describing its relevance to educational development, and drawing attention to four aspects that are under-examined as for- profit philanthropists enact their philanthropic agendas in response to the COVID- 19 pandemic, disaster philanthropy is presented as a window of opportunity for elite donors to enact changes in public education based on their distinct donor and institutional agendas. Implications for educational development are discussed including shifts in power, definitions and public vs. private returns.  相似文献   

Citizens as planners: Harnessing information and values from the bottom-up     

《International Journal of Information Management》2017,37(3):111-113

In this paper, we focus on understanding the critical role of everyday citizen in planning and policy-related issues in their city enabled by the newly emerging technological platforms such as mobile-based application and internet-based participatory platforms. The interest and capability of citizens to use and benefit from such online platforms that facilitate urban planning has grown in recent times, which makes it important to study the nature of these platforms and civic engagement that is facilitated through them. We study three such platforms and provide policy recommendations to urban planners based on our analyses of the platforms.  相似文献   

浅谈就地热再生技术在重庆高速公路的应用     

邹育琳 《黑龙江科技信息》2015,(15)

随着各个地区之间交流越来越频繁高速公路承担的运输压力越来越大,导致路面病害提前发生与此同时,国家出台了许多关于资源节约、环境保护政策,提倡绿色养护,所以,传统的道路养护方法已经不再适合现代道路维修,通过国内外相关研究发现就地热再生方法是一种高效、环保、低成本的预养护方法。  相似文献   

比较文学教学的四个关键词     

吴家荣 《安徽教育学院学报》2011,29(1):116-118

比较文学作为一门学科,内容丰富、学理性强。如何使学生真正了解比较文学学科的价值、意义,使他们正确运用比较文学原理、方法,深入开展文学研究,四个关键词至关重要,即：比较;影响;可比性;变异性。学生只有充分了解关键词的含义,切实掌握了关键词的运用,比较文学的教学才能收到事半功倍的成效。  相似文献   

Teachers' perspectives of changes in their practice during a technology in mathematics education research project     

《Teaching and Teacher Education》2017

Teachers' perception of changes to their teaching practice, with respect to digital technology use in secondary school mathematics, during their participation in a research project are reported. Two case studies are presented of teacher perspectives illustrative of the range of perceived changes teachers made to their practice and positions along the ‘path of change’ during their participation in the project. Participating in a project supportive of teacher change and resulting in perception of substantial change was necessary, but not sufficient, to meet the goal of transformative use of digital technologies to increase the level of cognitive demand experienced by students.  相似文献