基于ProQuest Dialog平台的国际联机检索系统的评价分析  

Evaluation and Analysis of International On-line Retrieval System Based on ProQuest Dialog Platforms

作　　者：于非[1] 张岚[1] 张柏秋[1] 

机构地区：[1]吉林大学教育部科技查新工作站,吉林长春130012

出　　处：《情报科学》2015年第8期89-94,共6页Information Science

摘　　要：Pro Quest Dialog平台是美国Pro Quest公司在收购Dialog平台系列产品后,经技术升级与资源整合,最新推出的国际联机检索平台。本文对新旧平台常用的一些指令算符、索引字段做了详细使用比对与分析,以期使用户更全面系统地了解新平台支持下的国际联机检索系统,方便用户尽快熟悉使用新系统,提高检索质量。在新平台PQD中,通过合理运用新定义的逻辑算符、通配符、截词符等组配形成逻辑关系紧密的检索策略,并结合新平台开放式检索结果预览功能,使用户获得更多的检索灵感,并辅助修正和完善检索策略,提高查全率和查准率。Pro Quest Dialog platform, the latest version scientific and technological information retrievalplatform, is launched by Pro Quest Company after the technological upgrading and resources integration ofthe old＂Dialog＂platform. In this paper, this new platform for some commonly used commands operator,index fields, and new features interface are described in detail, and made a detailed description and comparison of the different with the old＂Dialog＂platform. Our introductions reveal the advantages of the newplatform, which would make guests easier to learn how to achieve a high quality and perfect accuracy information retrieval. Result： In the new Pro Quest Dialog platform, by using the new definition of logical operator, wildcards, cutting word operator equipping form close logic retrieval strategies, and combined withthe new platform open search results preview function, user can get more search inspiration, and it canauxiliary to amend and improve the retrieval strategy, the recall and precision.

关 键 词：PROQUEST DIALOG 国际联机检索系统 检索指令 检索算符 

分 类 号：G254.9[文化科学—图书馆学]