面向终端的分布式科技情报联机检索网络

本文论述了在我国建立面向终端的分布式科技情报联机检索网络的必要性与可能性．以目前正在进行中的中情所、机电部情报所、化工部情报所“三家”联网工程，说明如何通过公共电话网和公用数据网进行联网。     

中国微生物资源数据库的现状与未来

本文详细介绍了中国微生物资源数据库的发展历史、现状、所起的作用以及发展方向。并对近年来建立的“中国菌种目录数据库”、“细菌名称数据库”、“微生物性状库”、“中国经济真菌多媒体数据库”、“细菌鉴定数据库”的情况进行了详细介绍。     

两种文献数据库设计方案分析

本文对比了两个文献主题数据库设计方案，并建立了实验模型进行了模拟运算，结果表明：“分段检索方案”在空间利用率和平均检索速度方面较优，而“记录号对照表检索方案”对文献的标引深度有较好的适应能力．本文还提出了一个主题词逻辑“与”运算的改进算法．改进后运算速度提高了5-10倍。     

中共福建省委党校省情资料全文数据库项目建设初探

就开发利用省情文献资源，建设“福建省情资料全文数据库”，构筑全国党校系统数字图书馆网络信息数据库资源，推进福建跨越式发展和党校图书馆特色服务的起步，阐述了建设“福建省情资料全文数据库”的建库的必要性和可行性，并提出了建设数据库的原则、范围、技术方法和质量控制。     

IEEE Transactions on Engineering Management的发展历程及研究热点

利用知识计量学与知识图谱的方法技术,以SSCI数据库的论文为基础,对美国创新管理期刊IEEE Transactions on Engineering Management发展历程及其研究热点进行计量研究。通过对该期刊三个时间段知识群文献的分析,可看出该刊从侧重于技术管理的定量工具方法,到侧重于产品开发、项目管理与技术转移,再到侧重于组织、战略及政策管理的大致发展脉络。其当前创新管理研究热点,主要围绕“绩效”、“创新”、“管理”、“产品开发”、“系统”和“战略”展开。     

关于表展开法的扩充

本文介绍一种新的算法，突破了传统的表展开法只处理“＋”，“＊”算符，可将由“＋”，“＊”和“－”三个算符组成的布尔表达式展开成民开表形式。     

“农业机械产品图片专题数据库”建设实践

重点介绍了我馆“农业机械产品图片专题数据库”的建设步骤，总结了高校图书馆进行专题数据库建设时应注意的事项。     

UNIX与Web 数据结构分析设计及其数据转换研究

分析UNIX系统“广西高校图书馆计算机管理集成系统”的书目数据库的数据结构,研究“Web馆藏查询系统”的书目数据库、流通数据库的数据结构,将UNIX系统的书目数据转换为Windows NT系统“Web馆藏查询系统”用的数据,给出有较大参考价值的已经实际使用的数据结构。     

“推送”和“拉取”模式的图书馆网络信息服务

随着Internet的兴起，“推送”和“拉取”技术在图书馆系统使用越来越多，本文不仅介绍了“推送”和“拉取”技术的含义和作用，还介绍了该中心使用该技术进行信息软件开发和服务的情况。     

中文报刊混编数据库题名的排序与检索

针对中文报刊混编数据库报刊题名字段排序的“假汉语拼音排序”问题,利用“中文报刊人机通用无号排序法”对中文报刊混编数据库的排序和检索进行考察,提出解决报刊题名的人机通用无号排序与检索以及报刊题名的计算机快速检索等问题的方法。     

基于叙词表的知识单元检索系统设计

通过调查总结叙词表在文献数据库中的应用现状,在此基础上设计一个基于叙词表的文献数据库知识单元检索系统。该系统首先将数据库中的文献分解为知识单元,检索时用叙词表中的正式叙词对用户输入的检索词进行规范化处理,并将该正式叙词作为中心词,利用叙词表中的词间关系查找出该词的等同词、上下位词和相关词作为扩展检索词,对知识单元进行加权检索,按权值之和以及检索词的密集程度排序输出。经实例分析,具有可行性。     

网络期刊的成本分析

网络期刊是现有学术交流体系的重要变革力量，人们也普遍认为网络期刊比传统的印刷期刊成本更低。因此，本文通过全面分析网络期刊的成本结构（尤其是对其成本结构进行微观分析），以说明其对现有学术交流体系产生深刻影响的经济学原因。     

主题科学传播的选题与渠道分析 ——以COVID-19疫情情境下我国医学论文传播为例

主题科学传播在选题策略和传播渠道均存在其特点。选取我国新型冠状病毒肺炎学术成果交流平台2020年1月27日至7月19日网络载文作为典型案例,收集单篇论文的阅读量、题目、期刊、作者信息及网页访问量构成,定性分析论文学科属性与传播主题的关联,定量分析全球访问量的国别特征、构成及趋势。高阅读量论文的选题呈现以下3个特点:与中心事件强相关、与关键问题有结合点、研究对象较受关注,单篇阅读量较高的论文类型为论著、指南共识、述评专论。网络传播中以直接访问与外部链接引流为主要渠道,引流来源以自建网络平台、文献数据库、主流搜索产品(如百度学术)为主。随着疫情形势变化及观察时间窗延长,访问量增幅较大的渠道以微信公众平台及社交媒体为主,新增渠道包括不同出版平台资源中心外链及大众新闻媒介。除我国外,访问量较高的国家为美国、巴西、印度、日本、意大利。主题科学传播中传播迅速且较受关注的论文选题兼顾学科关联性及公众关切,传播渠道以网络为主。随着时间推移,即时通讯及社交媒体传播增速较高,更多境外网络访问、出版机构互链及国际学术组织数据库涉入,科学传播的受众角色更加丰富。中文论文的国际推广应注重传统平台及新兴渠道的均衡发力,凭借国际化资源中心及社交媒体平台主动传播。     

The impact of IAIMS at Georgetown: strategies and outcomes.

Integration of multiple information systems of a medical center will change the way physicians work and practice medicine in the future. Several major steps must be taken by an institution to make this a reality. Since 1983, Georgetown has been engaged in an Integrated Academic Information Management System (IAIMS) project to bring together multiple sources of information that reside on different computers and database systems. Georgetown is developing a Biotechnology and Biomedical Knowledge Network that includes informational and clinical databases, scholar workstations, instruction on computer use, a campuswide network with local area network nodes, and a modular approach to systems integration. The IAIMS project, spearheaded by the medical library, has enabled a broad spectrum of health professionals to benefit directly from new, dynamic information services. The network is heavily used; in 1991, more than 2,100 individual users conducted more than 148,500 computer functions and more than 104,000 searches. There is economy of scale in high-volume use. Overall, the average search cost is $1.57; for high use databases the cost is $0.38, and for low use, it is $9.41. As described in this paper, IAIMS offers a cost-effective means of enhancing patient care by improving information services to physicians. At Georgetown, IAIMS has advanced the concept of integration, accelerated use of computers in education, increased user acceptance of advanced technologies, and established cost factors for providing information resources. While progress made in improving the transfer of medical information is impressive, it is clear that IAIMS requires several more years of support to achieve full implementation.     

广东省高校图书馆文献信息网络系统的环境与模式(二)

Based on the experiences in establishing the SULCMIS,the paper introduces the environments and models for implementing the Document Information Network System in university libraries of Guangdong province.It also discusses the establishment and development for the bibliographic databases,the supporting techniques for communication networks,as well as some considerations for the implementation of the network models.     

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��[Purpose/significance] There are many knowledge units in the network community, among which there are intricate relationships. It is necessary to carry out multiple knowledge relations mining uniformly and succinctly on the premise of retaining all the relations of knowledge units.[Method/process] This paper puts forward the solution of multi-knowledge relations mining in network community. Firstly, 3 typical knowledge units (users, texts and words) in the network community and their multiple relations in the knowledge communication were extracted into a supernetwork. Secondly, the network representation learning algorithm was used to uniformly represent the nodes in the supernetwork as low-dimensional dense vectors. Finally, multiple knowledge relations calculation was carried out based on nodal vector.[Result/conclusion] The effectiveness of the scheme was verified by taking cardiovascular BBS in dingxiang garden as an example. This scheme not only retains all the information of the knowledge unit, but also carries out the mining of the knowledge relation under the unified low-dimensional characteristics, and finally the knowledge relation meets the requirements of the diversity of the knowledge organization scene in the network community.     

A new method for measuring the originality of academic articles based on knowledge units in semantic networks

Research on the evaluation of the quality of academic papers is attracting more attention from scholars in scientometrics. However, most previous researches have assessed paper quality based on external indicators, such as citations, which failed to account for the content of the research. To that end, this paper proposed a new method for measuring a paper's originality. The method was based on knowledge units in semantic networks, focusing on the relationship and semantic similarity of different knowledge units. Connectivity and path similarity between different content elements were used in particular networks as indicators of originality. This study used papers published between 2014 and 2018 in three categories (i.e. Library & Information Science, Educational Psychology, and Carbon Nanotubes) and divided their content into three parts (i.e. research topics, research methods and research results). It was found that the originality in all categories increase each year. Furthermore, a comparison of our new method with previous models of citation network analysis and knowledge combination analysis showed that our new method is better than those previous methods when used in measuring originality.     

高校图书馆基于Open Access学术信息交流服务刍议

OA是一种全新理念的网络出版模式和学术信息交流模式.论文探讨了高校图书馆学术信息交流在OA环境中所面临的机遇和挑战,具体分析了OA的影响,以及高校图书馆应如何利用OA提升服务能力和质量.     

高校图书馆数据库与用户需求的契合度实证研究——基于重庆工商大学的调查

以重庆工商大学19个常用数据库为对象,通过问卷调查,借助因子分析方法对数据库与用户需求的契合度进行实证研究,提取"便捷型"、"品质型"、"需求型"三个公共因子,其权重分别为51.68%、28.42%和19.90%,以此对数据库综合得分进行排序。研究结果不仅有助于图书馆比较全面地了解数据库的服务效果,加强数据库的管理与维护,优化数据库品质,以更好地满足用户需求,而且有利于调整数据库建设策略,进一步提高经费投资使用效益。     

审稿中提升刊稿学术质量的实践——以《电机与控制学报》为例

结合《电机与控制学报》的审稿工作实践,运用数据库、搜索引擎、检索平台等网络资源,探讨稿件学术质量的提升办法,分析准确、客观评价稿件学术质量的基础和编辑技能;介绍在保证刊发稿件的创新性、真实性和可读性的前提下,提高稿件学术质量的做法。