创建超文本的发展前景

创建有效的超文本需要进行大量工作,而且所需技能的多样性也令人吃惊。超文本作者不仅要善于写作,而且还要有超文本设计、用户界面、测试、结构分析以及维护等技能。文章分析了开发高质量的超文本产品需要进行的工作及其成本/效益问题。文章假设,读者,即便称不上超文本专家,也知道超文本是什么。     

超文本链接过程中的法律问题探讨

超文本链接作为一种新技术,引发了一些法律层面的思考。分析了超文本链接过程中涉及的法律问题,提出了规避因超文本链接引发法律纠纷的几点建议。     

超文本系统信息结构组成元素—链的分析

链是超文本的灵魂。文章通过对超文本系统信息结构组成元素－－链的分析，探讨了超文本系统信息结构中所应用的各种不同类型的链接。     

超文本链接与知识产权保护

对超文本链接技术进行了分类,在此基础上,分析了各种类型可能涉及的侵权问题,并对一些典型的超文本链接侵权案例进行了分析。     

超文本检索特点研究

对超文本检索的研究,是目前情报检索领域的一个重要课题。笔者通过对超文本检索技术的研究,提出了超文本检索的定义,总结出了超文本检索的十大特点,以帮助读者更好地了解和掌握超文本检索这一信息检索方式。     

一种基于属性冗余的超文本信息隐藏方法

对超文本信息隐藏原理和方法的分析,提出一种基于属性冗余的超文本信息隐藏方法。通过修改属性冗余值来进行信息隐藏。     

俄罗斯的超文本经验：相关文本的自动搜集

俄罗斯超文本研究侧重于算法游历,游历定理则基于以图论的术语系统阐明的超文本结点的诸特征。以这种游历建设起的踪迹能让人感知到一个非外在形式的推理或为一个相关文本。在创造超文本的系统中,出现了由俄罗斯研究人员首先提出的逻辑和结构分析的特定问题。这些俄罗斯的超文本系统[如超逻辑(HYPERLOG),超级网络(HYPERNET),基本超文本系统(BAHYS)及语意处理器(SEMPRO)]会被叙述。     

数字图书馆的知识信息导航技术研究

迷航问题是超文本信息模型中的主要弊端，解决该问题需要使用超文本数据信息的导航方法。本文从超文本数据信息链接结构的研究出发，解释了数字图书馆超文本数字信息出现迷航的主要原因，并对解决数字图书馆Web页面浏览时出现的迷航问题所采用的导航方法进行了研究。     

超文本检索模式的优化探讨

超文本检索在网络资源检索中起着重要的作用,基本上有两种检索模式,但在实际的检索利用中,存在着这样或那样的问题,严重制约了超文本检索效能的发挥。对如何优化超文本信息检索模式进行了探讨。     

新型超文本范式外语教学

在网络时代,知识以超文本为载体,传递着集文字、数据、图像和声音为一体的超文本信息。在超文本文件中,人们可以利用网络媒体寻找独特的路径,激活某些链接点,建立新的结点,按照理据、逻辑、幻想或碰巧,在空间世界活动。超文本具有开放性、流动性、互文性和无中心性等特点,它可以连接世界上所有其他含有信息的计算机,构成媒介的无限延伸。超文本的出现,为大学英语教学带来了一场巨大的改革。我们可以看到新世纪的大学英语教学正逐步从计算机辅助教学过度到以超文本思想为主导的多媒体网络课程教学。一、超文本范式的特征1.非线性结构和“书写…     

Small, medium and large hypertext

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.     

超文本技术的新发展——XML

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。     

应用于数字图书馆的超文本技术

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。     

User evaluation of automatically generated semantic hypertext links in a heavily used procedural manual

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.     

Hypertext vs boolean-based searching in a bibliographic database environment: A direct comparison of searcher performance

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.     

链接标记的知识产权

介绍了超文本链接标记的种类，探讨了文字链接的版权问题、商标链接与商标侵权及不正当竞争的关系和图像链接的版权问题。提出链接作业时应注意链接标记的选择问题。     

What do we know about links and linking? A framework for studying links in academic environments

The Web is an enormous set of documents connected through hypertext links created by authors of Web pages. These links have been studied quantitatively, but little has been done so far in order to understand why these links are created. As a first step towards a better understanding, we propose a classification of link types in academic environments on the Web. The classification is multi-faceted and involves different aspects of the source and the target page, the link area and the relationship between the source and the target. Such classification provides an insight into the diverse uses of hypertext links on the Web, and has implications for browsing and ranking in IR systems by differentiating between different types of links. As a case study we classified a sample of links between sites of Israeli academic institutions.