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SEQUEL as a Language for Document Retrieval SEQUEL作为一种文档检索语言
Pub Date : 2007-09-06 DOI: 10.1002/asi.4630300502
I. Macleod
Traditionally the information retrieval community has avoided the type of data base management systems used in business applications. In this article it is shown how SEQUEL, a language designed for use in a data base management system, is potentially suited to a document retrieval system. The disadvantages of SEQUEL as it currently exists are discussed, and some extensions are proposed which appear to eliminate many of these disadvantages.
传统上,信息检索界一直避免使用业务应用程序中使用的数据库管理系统类型。本文展示了SEQUEL(一种设计用于数据库管理系统的语言)如何潜在地适用于文档检索系统。本文讨论了SEQUEL目前存在的缺点,并提出了一些似乎可以消除这些缺点的扩展。
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引用次数: 39
FIRST: Flexible Information Retrieval System for Text 第一:灵活的文本信息检索系统
Pub Date : 2007-09-06 DOI: 10.1002/asi.4630300103
R. Dattola
An on‐line document retrieval system is described which combines a data base management system with automatic processing of natural language queries and abstracts. Data consists of an abstract, from which index terms are automatically extracted, along with bibliographic and descriptive information. The data base management system is used to store bibliographic and descriptive information, providing direct access to documents with specified bibliographic or descriptor items. Methods originally developed in the SMART project are used for abstract analysis: stemming algorithm, cosine function for query‐document comparisons, ranked output, and clustered document collection. Searches are entered and performed on‐line, with output consisting of document abstracts ranked in decreasing order of similarity with the query. Additional facilities include off‐line searches, SDI, and display of data base statistics. Future plans and improvements are also discussed.
介绍了一种结合数据库管理系统和自动处理自然语言查询和摘要的在线文献检索系统。数据由摘要组成,其中自动提取索引术语,以及书目和描述性信息。数据库管理系统用于存储书目和描述信息,提供对具有指定书目或描述项的文档的直接访问。最初在SMART项目中开发的方法用于抽象分析:词干提取算法,用于查询文档比较的余弦函数,排序输出和聚类文档收集。搜索是在线输入和执行的,输出由与查询相似度递减顺序排列的文档摘要组成。额外的设施包括离线搜索,SDI,和数据库统计的显示。还讨论了未来的计划和改进。
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引用次数: 29
Satisfiers and dissatisfiers: A two-factor model for website design and evaluation 满意者与不满意者:网站设计与评价的双因素模型
Pub Date : 2000-12-01 DOI: 10.1002/1097-4571(2000)9999:9999%3C::AID-ASI1039%3E3.0.CO;2-O
Ping Zhang, G. M. V. Dran
Proliferating Web-user interface studies prompt a need for theoretical approaches. This study presents a two-factor model that can guide Website design and evaluation. According to the model, there are two types of Website design factors: hygiene and motivator. Hygiene factors are those whose presence make a Website functional and serviceable, and whose absence causes user dissatisfaction (thus dissatisfiers). Motivator factors, on the other hand, are those that add value to the Website by contributing to user satisfaction (thus satisfiers). An empirical study is conducted in two phases. In Phase I, 44 core features and 12 categories of features were identified by a total of 76 subjects as Web design factors. In Phase II, 79 different subjects distinguished hygiene and motivator factors in the context of a particular Website (CNN.com). The results showed that the two-factor model provides a means for Web-user interface studies. In addition, Subjects in Phase II commented that, as time passes or familiarity increases with certain design factors, their identification of what are hygiene and motivator factors might change, promoting further investigation and possible expansion of the model. Suggestions for Website designs and evaluation, and further research directions are provided.
激增的网络用户界面研究促使人们需要理论方法。本研究提出一个可以指导网站设计和评估的双因素模型。根据该模型,有两种类型的网站设计因素:卫生和激励。卫生因素是指那些使网站具有功能性和可服务性的因素,它们的存在会导致用户不满意(因此是不满意者)。另一方面,激励因素是那些通过促进用户满意度来增加网站价值的因素(因此是满足因素)。实证研究分两个阶段进行。在第一阶段,共有76名受试者确定了44个核心特征和12类特征作为网页设计因素。在第二阶段,79名不同的受试者在特定网站(CNN.com)的背景下区分卫生和激励因素。结果表明,双因素模型为web用户界面研究提供了一种手段。此外,第二阶段的受试者评论说,随着时间的推移或对某些设计因素的熟悉程度的增加,他们对卫生因素和激励因素的识别可能会发生变化,从而促进模型的进一步研究和可能的扩展。对网站设计和评价提出建议,并提出进一步的研究方向。
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引用次数: 515
Connecting minds: Computer-mediated communication and scientific work 连接思想:以计算机为媒介的交流和科学工作
Pub Date : 2000-12-01 DOI: 10.1002/1097-4571(2000)9999:9999%3C::AID-ASI1046%3E3.0.CO;2-W
John P. Walsh, Stephanie Kucker, Nancy G. Maloney, S. Gabbay
This article summarizes the preliminary findings from a recent study of scientists in four disciplines with regard to computer‐mediated communication (CMC) use and effects. Based on surveys from 333 scientists, we find that CMC use is central to both professional and research‐related aspects of scientific work, and that this use differs by field. We find that e‐mail use focuses on coordination activities, and its biggest effect is helping to integrate scientists into professional networks. We do not find gender differences in use, but there is some evidence that e‐mail is having a differential, positive effect for women. Furthermore, CMC use is positively associated with scientific productivity and collaboration.
本文总结了四个学科的科学家最近关于计算机媒介通信(CMC)的使用和效果的初步研究结果。根据对333名科学家的调查,我们发现CMC的使用在科学工作的专业和研究相关方面都很重要,并且这种使用因领域而异。我们发现电子邮件的使用侧重于协调活动,其最大的作用是帮助科学家融入专业网络。我们没有发现使用电子邮件的性别差异,但有一些证据表明,电子邮件对女性有不同的积极影响。此外,CMC的使用与科学生产力和合作呈正相关。
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引用次数: 106
Editorial peer review for electronic journals: Current issues and emerging models 电子期刊的编辑同行评议:当前问题和新兴模式
Pub Date : 2000-12-01 DOI: 10.1002/1097-4571(2000)9999:9999%3C::AID-ASI1049%3E3.0.CO;2-N
A. Weller
This article reviews the evolution and growth of electronic journals, and describes the various emerging models of editorial peer review in an electronic environment. There is some debate about whether the traditional model of editorial peer review should be altered. Medicine, physics, and psychology are taking different approaches with editorial peer review in an electronic environment. This article summarizes several studies of peer review in an electronic environment. Studies to date have focused on attitudes toward electronic publications and citation patterns of electronic journals. Future trends and levels of acceptance of the new models are discussed.
本文回顾了电子期刊的演变和发展,并描述了电子环境下编辑同行评议的各种新模式。关于是否应该改变传统的编辑同行评议模式存在一些争论。医学、物理学和心理学在电子环境中采用不同的编辑同行评议方法。本文综述了电子环境下同行评议的几项研究。迄今为止的研究主要集中在对电子出版物的态度和电子期刊的引用模式上。讨论了新模型的未来趋势和接受程度。
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引用次数: 37
Reflections on Mira: Interactive evaluation in information retrieval 对Mira的思考:信息检索中的交互式评价
Pub Date : 2000-12-01 DOI: 10.1002/1097-4571(2000)9999:9999%3C::AID-ASI1042%3E3.0.CO;2-7
Mark D. Dunlop
Evaluation in information retrieval (IR) has focussed largely on noninteractive evaluation of text retrieval systems. This is increasingly at odds with how people use modern IR systems: in highly interactive settings to access linked, multimedia information. Furthermore, this approach ignores potential improvements through better interface design. In 1996 the Commission of the European Union Information Technologies Programme, funded a three year working group, Mira, to discuss and advance research in the area of evaluation frameworks for interactive and multimedia IR applications. Led by Keith van Rijsbergen, Steve Draper and myself from Glasgow University, this working group brought together many of the leading researchers in the evaluation domain from both the IR and human computer interaction (HCI) communities. This paper presents my personal view of the main lines of discussion that took place throughout Mira: importing and adapting evaluation techniques from HCI, evaluating at different levels as appropriate, evaluating against different types of relevance and the new challenges that drive the need for rethinking the old evaluation approaches. The paper concludes that we need to consider more varied forms of evaluation to complement engine evaluation.
信息检索中的评价主要集中在文本检索系统的非交互式评价上。这与人们使用现代IR系统的方式越来越不一致:在高度互动的环境中访问链接的多媒体信息。此外,这种方法忽略了通过更好的界面设计所带来的潜在改进。1996年,欧洲联盟信息技术方案委员会资助了一个为期三年的工作组Mira,讨论和推进交互式和多媒体信息技术应用评价框架领域的研究。这个工作组由格拉斯哥大学的Keith van Rijsbergen、Steve Draper和我自己领导,汇集了许多来自IR和人机交互(HCI)社区的评估领域的主要研究人员。本文介绍了我个人对Mira讨论主线的看法:从HCI引进和调整评估技术,适当地在不同层次进行评估,针对不同类型的相关性进行评估,以及推动重新思考旧评估方法的新挑战。本文的结论是,我们需要考虑更多样化的评估形式来补充发动机的评估。
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引用次数: 34
Observations on fraud and scientific integrity in a digital environment 对数字环境中欺诈和科学诚信的观察
Pub Date : 2000-12-01 DOI: 10.1002/1097-4571(2000)9999:9999%3C::AID-ASI1050%3E3.0.CO;2-C
M. LaFollette
The community of specialists in scientific information and communication must begin to give more vigorous attention to its expectations for ethical conduct by authors, reviewers, editors, and publishers in the realm of electronic publishing, and to consider how those expectations may differ from the standards applied in a print‐based environment. The author suggests five areas that deserve special attention: ensuring the accuracy and truthfulness of content; building trust among editors, reviewers, and authors; sustaining a level of civility in electronic forums for scientific and technical debate; protecting the intellectual property of authors and publishers; and preserving publishers' (and scientific journals) independence from government interference with content.
科学信息和传播领域的专家团体必须开始更加积极地关注他们对电子出版领域的作者、审稿人、编辑和出版商的道德行为的期望,并考虑这些期望与基于印刷的环境中应用的标准有何不同。笔者提出了五个需要特别注意的方面:保证内容的准确性和真实性;在编辑、审稿人和作者之间建立信任;在科技辩论的电子论坛上保持一定程度的文明;保护作者和出版者的知识产权;保持出版商(和科学期刊)的独立性,不受政府对内容的干预。
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引用次数: 2
Empirical studies of end-user information searching 终端用户信息搜索的实证研究
Pub Date : 2000-11-01 DOI: 10.1002/1097-4571(2000)9999:9999%3C::AID-ASI1033%3E3.0.CO;2-5
A. Sutcliffe, M. Ennis, S. Watkinson
An empirical investigation of information retrieval (IR) using the MEDLINE1 database was carried out to study user behaviour, performance and to investigate the reasons for suboptimal searches. The experimental subjects were drawn from two groups of final year medical students who differed in their knowledge of the search system (i.e., novice and expert users). The subjects carried out four search tasks and their recall and precision performance was recorded. Data was captured on the search strategies used, duration, and logs of submitted queries. Differences were found between the groups for the performance measure of recall in only one of the four experimental tasks. Overall performance was poor. Analysis of strategies, timing data, and query logs showed that there were many different causes for search failure or success. Poor searchers either gave up too quickly, employed few search terms, used only simple queries, or used the wrong search terms. Good searchers persisted longer, used a larger, richer set of terms, constructed more complex queries, and were more diligent in evaluating the retrieved results. However, individual performances were not correlated with all of these factors. Poor performers frequently exhibited several factors of good searcher behaviour and failed for just one reason. Overall end-user searching behaviour is complex and it seems that just one factor can cause poor performance, whereas good performance can result from suboptimal strategies that compensate for some difficulties. The implications of the results for the design of IR interfaces are discussed.
利用MEDLINE1数据库对信息检索(IR)进行了实证研究,以研究用户行为、性能并调查次优搜索的原因。实验对象来自两组对搜索系统了解程度不同的大四医学生(即新手和专家用户)。被试进行了四项搜索任务,并记录了他们的查全率和查准率。捕获了关于所使用的搜索策略、持续时间和提交查询的日志的数据。在四个实验任务中,两组之间只有一个任务的记忆力表现有差异。整体表现不佳。对策略、计时数据和查询日志的分析表明,搜索失败或成功有许多不同的原因。糟糕的搜索者要么放弃得太快,要么使用很少的搜索词,要么只使用简单的查询,要么使用了错误的搜索词。优秀的搜索者持续的时间更长,使用更大、更丰富的术语集,构造更复杂的查询,并且在评估检索结果时更勤奋。然而,个人表现与所有这些因素并不相关。表现不佳的人经常表现出良好搜索行为的几个因素,而失败的原因只有一个。整体的终端用户搜索行为是复杂的,似乎只有一个因素会导致性能不佳,而良好的性能可能来自于补偿一些困难的次优策略。讨论了研究结果对红外接口设计的启示。
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引用次数: 148
Shape recovery: A visual method for evaluation of information retrieval experiments 形状恢复:一种评价信息检索实验的可视化方法
Pub Date : 2000-11-01 DOI: 10.1002/1097-4571(2000)9999:9999%3C::AID-ASI1032%3E3.0.CO;2-8
M. Rorvig, S. Fitzpatrick
The method described permits visual analysis of information retrieval experiment results in classic control and treatment group protocols. It is an additional analysis technique for the evaluation of IR procedures that may be conducted within the rich terrain of human visual acuity, supported by two well‐known statistical measures.
所描述的方法允许对经典对照组和实验组方案中的信息检索实验结果进行可视化分析。这是一种额外的分析技术,用于评估IR程序,可在人类视觉敏锐度丰富的领域内进行,由两种众所周知的统计措施支持。
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引用次数: 10
Success, a structured search strategy: Rationale, principles, and implications 成功,一个结构化的搜索策略:基本原理,原则和含义
Pub Date : 2000-11-01 DOI: 10.1002/1097-4571(2000)9999:9999%3C::AID-ASI1034%3E3.0.CO;2-2
Chaim Zins
This study aimed at reevaluating the Success search strategy. It was conducted by in-depth interviews with 15 professional information searchers in a three-round Delphi-type research. The panelists were asked to critically analyze the rationale of structured searching that forms the theoretical basis of the Success strategy, and evaluate its key principles and guidelines. Success is a strategy for structured searching. Its rationale is based on the argument that information searching is a sequence of interrelated actions aimed at accomplishing the search assignment. Every action determines the course of the searching, and thus affects its final result. The searcher's reasoning emerges as a key to the success of the searching process. Consequently, it is essential to adopt structured search strategies that are based on rational search procedures and techniques. The Success strategy is grounded in the principle of planning the search according to five basic successive phases, namely assignment, resources, words, method, and evaluation, and seven generic guidelines: (1) define the assignment, (2) locate resources, (3) choose search words, (4) select methodology, (5) execute the search, (6) evaluate the results, and (7) if necessary, repeat the search by refining previous decisions.
本研究旨在重新评估成功搜索策略。通过对15名专业信息搜索者的深度访谈,进行了三轮德尔菲式调查。小组成员被要求批判性地分析构成成功战略理论基础的结构化搜索的基本原理,并评估其关键原则和指导方针。成功是结构化搜索的策略。它的基本原理是基于这样一种观点,即信息搜索是一系列旨在完成搜索任务的相互关联的行动。每个操作都决定了搜索的过程,从而影响最终结果。搜索者的推理是搜索过程成功的关键。因此,必须采用基于合理搜索程序和技术的结构化搜索策略。成功策略的基础是根据五个基本的连续阶段,即任务、资源、词汇、方法和评估,以及七个通用准则来规划搜索,(1)定义任务,(2)定位资源,(3)选择搜索词,(4)选择方法,(5)执行搜索,(6)评估结果,(7)如有必要,通过改进先前的决策来重复搜索。
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引用次数: 43
期刊
Journal of the American Society for Information Science and Technology
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