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国外搜索引擎检索效能研究述评 总被引：2，自引：0，他引：2
在网络搜索引擎的使用中,搜索引擎的检索效能成为影响用户信息获取效果和搜索引擎服务质量的重要因素.目前,国外的相关研究主要采取实验的方法,从用户体验角度出发评价搜索引擎的检索效能,主要步骤包括确定信息需求、选择搜索引擎、评价结果文档相关度以及确定测度指标.最常用的测度指标是查全率和查准率.此外,影响用户检索效能的指标还有搜索引擎返回结果文档的排序质量、重复度,而索引的数量、用户满意度等指标都会影响用户使用的效果.无论是从搜索引擎的用户使用角度,还是用户评价角度,"用户参与"的模式是最贴近检索现实的. 相似文献
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通过模糊集合检索模型的规范描述,本文首先定义了检索系统中检索效率和系统效率之间的函数关系,并应用该函数关系对比分析模糊集合检索系统和标准布尔检索系统的性能,指出模糊集合检索系统所面临的"囚徒困境":检索效率的提升引起了系统效率的下降.之后针对"囚徒困境",从词词关联矩阵方面来改进模糊集合检索策略,寻求到解决"囚徒困境"的思路和技术手段.最后借助SQL语言演示词词关联矩阵的两种构造策略,建立数学模型分析词词关联矩阵构造的最优时机,并确立该思路为一种新的系统开发模式.根据时机来合理选择词词关联矩阵构造策略有助于改善现有模糊集合检索算法的执行效率,实现检索效率和系统效率的双赢. 相似文献
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试论提高分类检索在机检中的效率 总被引：1，自引：0，他引：1
认为在数据库检索系统中,分类检索应改变传统观念,从用户检索需求出发,以新的思维方式来设计用户分类检索方法,从而提高分类检索的效率. 相似文献
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网络信息检索之我见 总被引：1，自引：0，他引：1
张秀华 《大学图书情报学刊》2004,22(3):42-44
针对目前网络信息检索中检索效率低下的问题,提出三种解决方法:分类浏览式检索方式与传统分类法的结合;利用控制技术提高关键词检索的效率;建立网站自身信息的检索机制. 相似文献
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陈芳 《大学图书情报学刊》2017,35(5)
为了解国内高校图书馆发现系统检索功能的栏目、内容和使用状况,文章对我国"985工程"高校图书馆发现系统检索功能的设计、检索结果的显示和管理等内容进行了调研.针对目前存在的资源组织规范和标准缺失、发现系统指向不明、社交和互动功能的使用情况与预期不符等问题,提出应加强资源组织的标准化建设,加强元数据合作建设,提供知识服务,加强发现系统移动服务建设和互动引导等建议. 相似文献
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基于向量空间的检索模型研究 总被引：1，自引：0，他引：1
在设计搜索引擎时,由于Internet的飞速发展,现有的检索模型检索效率不高。为了提高搜索引擎的检索效率,在本文中我们对基于向量空间的检索模型(例如:QR模型,潜语义标引模型)进行了深入地研究。 相似文献
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栾秀华 《信息管理(上海)》2005,18(4):39-41
随着计算机在档案检索中应用的发展和对五六十年代档案使用率的不断提高，检索档案遇到了很多新问题。现用的档案检索工具不能解决检索中遇到的所有问题，影响了档案的检索效率。本文主要谈谈如何根据检索工作的需要，及时收集整理和编制新的档案检索工具，使检索工具在实践中不断丰富，以提高档案的检索效率。 相似文献
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Robert P. Holley 《图书馆管理杂志》2020,60(7):821-829
Abstract Management Basics for Information Professionals, 4th edition, by G. Edwards Evans and Stacy Greenwell is intended as a textbook for the introductory library management course with the secondary objective of helping librarians hone their management skills. The authors aim to cover management issues in all types and sizes of libraries but focus more on academic and public libraries. The 22 chapters adequately cover the broad scope of management topics including self-management and career development. Positives include stressing that management is an art rather than a science, that no one strategy will succeed in all situations, and that managers must be aware of the internal and external environment. Additional examples of turning abstract principles into practice, more humor, and increased contributions from the behavioral sciences would have strengthened the text. A supplementary 150 page document that provides challenging case studies for classroom use is available upon request. Overall, I highly recommend this textbook and would use it if I were to teach the basic management course. 相似文献
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《Journal of Business & Finance Librarianship》2013,18(4):73-78
Abstract THE COMPLETE GUIDE TO CITING GOVERNMENT INFORMATION RESOURCES: AMANUAL FOR SOCIAL SCIENCE AND BUSINESS RESEARCH, 3rd edition. Cheney, Debora (Ed.). Bethesda, MD: LexisNexis; Congressional Information Service, 2002, 222 pp., $40.00, ISBN 088692586X. Reviewed by Meg Meiman. BUSINESS STATISTICS OF THE UNITED STATES: PATTERNS OF ECONOMIC CHANGE, 10th Edition. Lantham, MD: Bernan Press, 2004, 545 pp., $147.00, ISBN 1-886222-24-X. Reviewed by Stacey Marien. THE SKEPTICAL BUSINESS SEARCHER: THE INFORMATION ADVISOR'S GUIDE TO EVALUATING WEB DATA, SITES, AND SOURCES. Berkman, Robert. Medford, NJ: Information Today, 2004, 281 pp., $29.95, ISBN 0-910965-66-8. Reviewed by Linda S. Dausch. THE DIRECTORY OF BUSINESS TO BUSINESS CATALOGS, 13th Edition. Gottlieb, Richard (Ed.). Millerton, NY: Grey House Publishing, 2005, 686 pp., $165.00, ISBN: 1-59237-064-0. Reviewed by Jim Galbraith. THE DIRECTORY OF MAIL ORDER CATALOGS, 19th Edition. Millerton, NY: Grey House Publishing, 2005, 1,563 pp., $250.00, ISBN: 1-59237-066-7. Reviewed by Jim Galbraith. THE TECHNOMIC TOP 500. UPDATEANDANALYSIS OF THE 500 LARGEST U.S. RESTAURANT CHAINS. Chicago, IL: Technomic Information Services, $495.00. Reviewed by Jim Galbraith. INDUSTRY RESEARCH USING THE ECONOMIC CENSUS: HOW TO FIND IT, HOWTO USE IT. Boettcher, Jennifer C., and Leonard M. Gaines. Westport, CT: Greenwood Press, 2004, 305 pp., $85.00, ISBN 1-57356-351-X. Reviewed by Kevin R. Harwell. HANDBOOK OF U.S. LABOR STATISTICS: EMPLOYMENT, EARNINGS, PRICES, PRODUCTIVITY, &; OTHER LABOR DATA, 8th Edition. Lantham, MD: Bernan Press, 2005, 484 pp., $147.00, ISBN 1-886222-20-7. Reviewed by Stacey Marien. O'DWYER'S DIRECTORY OF PUBLIC RELATIONS FIRMS. NewYork, NY, 2004, 375 pp., $175.00, ISBN: 0-941424-62-6. Reviewed by Jim Galbraith. 相似文献
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Michael A Matos 《Journal of Business & Finance Librarianship》2013,18(1):91-92
Abstract ENCYCLOPEDIA OF CORPORATE NAMES WORLDWIDE. Room, Adrian. Jefferson, North Carolina and London: McFarland &; Company, 2002, 591 pp., $75.00, ISBN 0-7864-1287-9. Reviewed by Susan Shultz. GREY HOUSE INTERNATIONAL BUSINESS AND TRADE DIRECTORY. Gottlieb, Richard. Millerton, NY: Grey House Publishing, 2003, 888 pp., $225.00, ISBN 1-930956-63-0. Reviewed by James Galbraith. DICTIONARY OF FINANCIAL ABBREVIATIONS. Paxton, John (Ed.). New York: Fitzroy Dearborn, 2003, 224 pp., $50.00, ISBN 1579583970. Reviewed by Stacey Marien. ADAMS HANDBOOK ADVANCE. Norwalk, CT: Adams Business Media, 2003, $545, http://www.beveragehandbooks.com (630) 762-8709. Reviewed by James Galbraith ADAMS BEER HANDBOOK. Norwalk, CT: Adams Business Media, 2003, $545. Reviewed by James Galbraith ADAMS WINE HANDBOOK. Norwalk, CT: Adams Business Media, 2003, $545. Reviewed by James Galbraith ADAMS LIQUOR HANDBOOK. Norwalk, CT: Adams Business Media, 2003, $545. Reviewed by James Galbraith 相似文献
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《Journal of Business & Finance Librarianship》2013,18(4):71-88
ABSTRACT Introduction Reviewed by Stacey Marien. AMERICA 'S TOP RATED CITIES: A STATISTICAL HANDBOOK, 13th ed. Millerton, NY:Grey House Publishing, Inc., 2006, 4 vols., 3,094 pp., $ 195.00, ISBN 978-1-59237-140-2. Reviewed by Anne C. Osterman. GLOBAL BUSINESS ETIQUETTE: A GUIDE TO INTERNATIONAL COMMUNICATION AND CUSTOMS.Martin, Jeanette S. and Lillian H.Chaney. Westport, CT: Praeger Publishers, 2006, 178 pp., $ 34.95, ISBN 0-27598-815-5. Reviewed by Caroline Geck. NATIONS OF THE WORLD: A POLITICAL, ECONOMIC, & BUSINESS HANDBOOK, 6th ed. Millerton, NY: Grey House Publishing, Inc., 2006, 1, 741 pp., $ 155.00, ISBN 1-59237-079-9. Reviewed by Leticia Camacho. GLOBALIZATION: ENCYCLOPEDIA OF TRADE, LABOR, AND POLITICS. Vaidya, Ashish K.(Ed.). Santa Barbara, CA: ABC-CLIO, 2006, 968 pp., $185.00, ISBN 1-57607-826-4. Reviewed by N.Andrew Spackman. WORLD ECONOMIC PROSPECTS: A PLANNER 'S GUIDE TO INTERNATIONAL MARKET CONDITIONS,4th ed. London: Euro-monitor PLC, 2003, 248 pp ., $490.00, ISBN 1-84264-296-0. Reviewed by Leticia Camacho. THE ACCOUNTABLE CORPORATION. Epstein, Marc J. and Kirk O. Hanson (Eds.). Westport, CT: Praeger Publishers, 2006, 4 vols., $300.00, ISBN 0-275-98491-5 (set). Reviewed by John P. Heintz. ENCYCLOPEDIA OF THE DEVELOPING WORLD. Leonard, Thomas M.(Ed.). New York: Routledge, 2006, 3 vols., 1, 759 pp., $565.00, ISBN 1-57958-388-1. Reviewed by Jeffrey Cronin. 相似文献
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《Journal of Business & Finance Librarianship》2013,18(2):61-67
ABSTRACT Introduction Reviewed by Stacey Marien. ENCYCLOPEDIA OF THE GLOBAL ECONOMY: A GUIDE FOR STUDENTS AND RESEARCHERS.O 'Connor, David E. Westport, CT: Greenwood, 2006, 2 vols., 896 pp., $ 250.00, ISBN 0-3133-3584-2. Reviewed by Caroline Geck. HANDBOOK OF SPORTS ECONOMICS RESEARCH. Fizel, John (Ed.). Armonk, NY: M.E. Sharpe, 2006, 280 pp., $ 75.95, ISBN: 0-7656-1594-0. Reviewed by Amia L. Baker. THE NOBEL MEMORIAL LAUREATES IN ECONOMICS: AN INTRODUCTION TO THEIR CAREERS AND MAIN PUBLISHED WORKS. Vane, Howard R. and Chris Mulhearn. Cheltenham, UK: Edward Elgar, 2005, 362 pp., $125.00, ISBN: 1-84376-600-0. Reviewed by Deborah Lee. A FINANCIAL HISTORY OF MODERN U.S.CORPORATE SCANDALS: FROM ENRON TO REFORM. Markham, Jerry W. Armonk, NY: M.E. Sharpe, 2006, 742 pp., $124.95, ISBN 0-7656-1583-5. Reviewed by Celia Ross. ENCYCLOPEDIA OF MANAGEMENT, 5th edition. Helms, Marilyn M. (Ed.). Detroit: Thomson Gale, 2006, 1,003 pp., $290.00, ISBN: 0-7876-6556-8. Reviewed by Carole Svensson. THE HISTORY OF THE COMPANY: THE DEVELOPMENT OF THE BUSINESS COPRORATION, 1700-1914. Pearson, Robin, James Taylor, and Mark Freeman (Eds.). London: Pickering &; Chatto, 2006, Part 1:4 vols., $670.00, ISBN 1-8519-6820-1. Reviewed by Mary M. Mintz. ENCYCLOPEDIA OF AMERICAN INDUSTRIES, 4th edition. Pearce, Lynn (Ed.). Detroit:Gale, 2005, 3, 222 pp., 2 vols., $680.00, ISBN 0-7876-9061-9. Reviewed by Rebecca M. Murphey. Vol.1: MANUFACTURING INDUSTRIES. Nov. 2004, $340.00, ISBN: 0-7876-9062-7. Reviewed by Rebecca M. Murphey. Vol.2: SERVICE AND NON-MANUFACTURING INDUSTRIES. Nov. 2004, $340.00, ISBN: 0-7876-9063-5. Reviewed by Rebecca M. Murphey. eBook version (2 vol.set only). Published/Released: Dec. 2004, $748.00-$ 1,346.00 (priced according to number of users), ISBN: 0-7876-9370-7. Reviewed by Rebecca M. Murphey. THE WORLD TRADE ORGANIZATION: LEGAL, ECONOMIC AND POLITICAL ANALYSIS. Macrory, Patrick F.J., Arthur E. Appleton, and Michael G. Plummer (Eds.). New York: Springer, 2005, 3 vols., 3,120 pp., $799.00, ISBN 0-3872-2685-0. Reviewed by Clement Ho. 相似文献
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This study proposes that the fundamental cultural differences between the East and the West lie in a holistic-analytic worldview, and this new perspective can explain the cultural differences better than collectivism-individualism. To test the claim, this study developed a measurement for holism and its derivative, cognitive relativity. Then, it examined the degree of holism, cognitive relativity, and independent and interdependent self-construals with Korean and American college students. Results showed that (a) Koreans had a stronger holistic worldview than Americans, (b) Koreans maintained a higher degree of cognitive relativity than Americans, (c) Koreans and Americans did not differ in either independent or interdependent self-construals, and (d) the impact of holism was still strong after controlling for the effects of self-construals. 相似文献
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新媒体环境下,报业生存与运营格局发生了重大转型。透视日本报业发展历程和运营模式,可以发现,多元化营销、渗透型拓展、跨媒体联姻成为日本报业顺应媒体潮流的主要策略,这也为媒体多元竞争态势下的全球报业,提供了可供借鉴的参照。 相似文献
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独立学院图书馆发展中的问题及策略分析 总被引：4，自引：0，他引：4
独立学院图书馆作为高校图书馆模式的创新,突破了原有的概念和管理制度,与高校图书馆模式有融合,有改革。本文介绍了在独立学院图书馆发展过程中出现的一些问题,并针对这些问题做出了一些策略分析。 相似文献
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《Public Services Quarterly》2013,9(3):21-35
Abstract Creative, effective use of a committee can accomplish much toward increasing library outreach to the various constituents served. This article will address the outreach activities of the Georgia State University (GSU) Pullen Library's Communications and Public Relations Committee (C&PR), a library standing committee that has developed into a major contributor for Pullen Library public relations. The communities served by the library's C&PR are defined as GSU students, faculty and staff, and the wider metropolitan community of Atlanta, especially Georgia legislators and university and library donors. C&PR has responsibility for a variety of projects and events that serve these communities, such as Leadership Appreciation Night (the event for Georgia Legislators), Faculty Authors Exhibits, and displays for students and staff, such as Freshmen Week and Staff Information Day. This paper will also address the changing role of the committee as needs for public relations activities change in the university and 相似文献