共查询到20条相似文献，搜索用时 296 毫秒
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王春红 《内蒙古科技与经济》2023,(3):133-135
文章主要分析了云计算环境下数字图书馆所面临的信息安全问题，并在此基础上提出了解决数据存储、知识产权、用户信息等问题的解决对策，从而保障数字图书馆为信息用户提供更好的服务。 相似文献
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[目的/意义]专利信息服务背景下,专利导航的模型将难以适应专利信息服务的海量数据处理需求,而数据中台的出现为这一问题的解决提供了新的技术手段,对专利导航产生变革性影响.[方法/过程]审视当前专利导航的研究成果,发现当前专利导航主要存在标准化差、共享能力弱、价值转化慢等问题,通过引入数据中台概念对专利导航进行聚合和重构,... 相似文献
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图书馆信息资源数字化建设中知识产权保护问题探究 总被引：8，自引：0，他引：8
随着图书馆信息资源数字化的迅速发展，信息资源建设是非常必要和迫切的。图书馆信息资源建设主要是解决数字化馆藏，是数字图书馆的基础。本文从数字信息传播、数字信息导航以及数据库开发等方面所涉及的知识产权保护问题作了深入探究。以期对《图书馆合作与信息资源共享武汉宣言》解析有所启示。 相似文献
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本文针对高校信息资源的特点和数字图书馆及教育数字图书馆的现状和发展，提出了一系列教育数字图书馆的建立方向。指出了高校信息资源要由教育数字图书馆去管理，也说明了教育数字图书馆具备了导航高校信息资源的能力。 相似文献
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基于Agent的网络信息服务的业务拓展 总被引：1，自引：0，他引：1
随着Internet的发展，出现了信息过载与信息迷航的问题。智能代理技术与网络信息服务结合。能够拓展网络信息服务的业务领域，使网络信息服务更好的满足用户的要求。 相似文献
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学科信息门户相关概念辨析及其发展研究 总被引：2，自引：0，他引：2
本文简要介绍了学科信息门户的概念及其主要特征，探讨了与学料信息门户的相关概念问的关系：信息门户与主页；学科信息门户与搜索引擎，数字图书馆；学科信息门户与学科导航库等。最后分析了当前学科信息门户发展中需要注意的问题。 相似文献
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互联网时代信息整合成为信息管理技术的应用热点。本文论述了信息整合对数字图书馆的影响以及它所要帮助解决的问题，进而研讨了数字图书馆信息整合中的四个层面以及数字图书馆信息整合的基本内容。 相似文献
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随着科学技术的发展和信息技术的飞跃，数字图书馆的建设已经发展到了一个新的阶段。本文结合当今国内外数字图书馆建设和知识产权保护的实际情况，着重分析了我国数字图书馆信息资源建设、传播中的各种知识产权问题，并研究其解决对策。 相似文献
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数字图书馆信息收集中的著作权问题初探 总被引：2，自引：0，他引：2
描述了数字图书馆的概念及主要特征，从法律的角度讨论了数字图书馆信息收集过程中涉及大量权利许可、合理使用、数字化作品著作权等问题，提出了解决这些问题的具体思路。 相似文献
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文章将信息生态学引入数字图书馆信息资源管理的研究中,构建数字图书馆信息生态系统模型,运用耗散结构理论揭示系统负熵的主要来源,阐明维持系统有序性所需的条件,尝试以新思路新方法来解决数字图书馆管理中的现实问题。 相似文献
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This paper critically reviews the different types of abstractions and implementations in the hypertext area and proposes that three types of hypertext exist, namely, small-, medium- and large-volume hypertext. For a single person dealing with a single text the prominent issue is the model of the text that the user browses; this is small-volume hypertext. When a few people are involved in creating a few texts, records are maintained as to who created what and when; this is medium-volume hypertext. In large-volume hypertext the document collection is massive and special institutions are responsible for filtering and indexing material against which arbitrarily many other people issue searches. All these aspects of hypertext have in common an abstraction of text as a graph rather than a line and an ultimate goal of facilitating communication among people. 相似文献
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本文主要探讨了一种新兴的超文本技术——XML。XML是一种超文本标识语言，它源于SGML，是SGML的一个子集。文中介绍了XML的起源和特点，通过示例说明怎样书写XML文档，并着重分析了XML的应用和未来。 相似文献
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通过分析超文本的文件结构,提出了一种基于超文本标记语言的信息隐藏方法,并对该算法进行了分析。 相似文献
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随着高新技术的飞速发展以及因特网上海量的无组织信息的骤增，人们急需一种新的模式来管理网络资源，这就提出了数字图书馆的概念。面对建设数字图书馆大量的高新技术，在结合我国数字图书馆的发展现状的同时，笔者详细介绍了越文本技术，着重阐述了超文本检索技术。 相似文献
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《Information processing & management》2001,37(3):507-520
The results from a series of three experiments that used Text Retrieval Conference (TREC) data and TREC search topics are compared. These experiments each involved three novel user interfaces (one per experiment). User interfaces that made it easier for users to view text were found to improve recall in all three experiments. A distinction was found between a cluster of subjects (a majority of whom were search experts) who tended to read fewer documents more carefully (readers, or exclusives) and subjects who skimmed through more documents without reading them as carefully (skimmers, or inclusives). Skimmers were found to have significantly better recall overall. A major outcome from our experiments at TREC and with the TREC data, is that hypertext interfaces to information retrieval (IR) tasks tend to increase recall. Our interpretation of this pattern of results across the three experiments is that increased interaction with the text (more pages viewed) generally improves recall. Findings from one of the experiments indicated that viewing a greater diversity of text on a single screen (i.e., not just more text per se, but more articles available at once) may also improve recall. In an experiment where a traditional (type-in) query interface was contrasted with a condition where queries were marked up on the text, the improvement in recall due to viewing more text was more pronounced with search novices. Our results demonstrate that markup and hypertext interfaces to text retrieval systems can benefit recall and can also benefit novices. The challenge now will be to find modified versions of hypertext interfaces that can improve precision, as well as recall and that can work with users who prefer to use different types of search strategy or have different types of training and experience. 相似文献
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Ling-Xiang Tang Shlomo Geva Andrew Trotman Yue Xu Kelly Y. Itakura 《Information processing & management》2014
Cross-Lingual Link Discovery (CLLD) is a new problem in Information Retrieval. The aim is to automatically identify meaningful and relevant hypertext links between documents in different languages. This is particularly helpful in knowledge discovery if a multi-lingual knowledge base is sparse in one language or another, or the topical coverage in each language is different; such is the case with Wikipedia. Techniques for identifying new and topically relevant cross-lingual links are a current topic of interest at NTCIR where the CrossLink task has been running since the 2011 NTCIR-9. This paper presents the evaluation framework for benchmarking algorithms for cross-lingual link discovery evaluated in the context of NTCIR-9. 相似文献
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《Information processing & management》1999,35(1):1-18
This paper is an interim report on our efforts at NIST to construct an information discovery tool through the fusion of hypertext and information retrieval (IR) technologies. The tool works by parsing a contiguous document base into smaller documents and inserting semantic links between these documents using document–document similarity measures based on IR techniques. The focus of the paper is a case study in which domain experts evaluate the utility of the tool in the performance of information discovery tasks on a large, dynamic procedural manual. The results of the case study are discussed, and their implications for the design of large-scale automatic hypertext generation systems are described. 相似文献
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The purpose of this study is to carry out a direct comparison of a hypertext-based bibliographic retrieval system with a traditional Boolean-based retrieval system, each using the same database. Novice and experienced searchers were assigned to either a prototype hypertext system called HyperLynx or to a traditional Boolean system and were asked to perform a set of search tasks. The study revealed that the Boolean system performed better than the hypertext system for search tasks with a large number of relevant items. Searcher experience level did not play a significant role for either system. Findings of the study have implications for the design of future information retrieval systems that take advantage of the best features of both approaches for more effective and efficient retrieval of highly structured databases. 相似文献