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1.Melvyl is the Catalog of the University of California libraries, this paper discusses the principles and process of records de-duping and merging of the Melvyl Union Catalog.
本文介绍美国加利福尼亚大学Melvyl联合目录的系统自动合并记录的机制。收藏指正
2.Abstract The paper gives discussion on MARC format, bibliographic data resource, catalog code, catalog software, windows operating system &character set, bibliographic database retrieval etc. problems in Korean bibliographic database developments.
摘要针对韩文书目数据库建设中的机读目录格式、数据源、著录规则、编目软件、操作系统与字符集、书目数据库的检索等问题进行探讨。收藏指正
3.To generate a desirable mission catalog,a novel method of the automatic selection of guide star,the regression selection algorithm,was presented in this paper. With the creation of distribution function of the dynamic visual magnitude threshold (VMT), the static VMT in the traditional visual magnitude filtering method was replaced by the dynamic VMT.
本文引入了动态星等阈值分布函数 ,将传统星等阈值过滤算法中的静态阈值用动态星等阈值代替 ,建立了一种新的动态星等阈值过滤选择模式。收藏指正
4.Three sources of distinct and typical observational data of QSOs are used in this paper, namely: (1) the revised optical catalog of QSOs, (2) the QSOs in the -40° zone of CTIO Curtis Schmidt Survey, (3) the QSOs in the Virgo cluster region.
本文采用了三组具有代表性的类星体观测资料:(1)类星体第二总表,(2)赤纬-40°天区类星体,(3)室女座星系团区类星体。收藏指正
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