The progress in the research on OPAC is summarized,mainly on the subject retrieval and known document retrieval,known document retrieval and subject retrieval.Finally,the article gives the result of research.
联机公共检索目录,即Online Public Access Cat-alog(OPAC),是20世纪70年代美国一些大学图书馆和公共图书馆共同开发的公共检索系统。首批采用OPAC的图书馆是加拿大Guelp大学图书馆(1976)和Waterloo大学图书馆(1977)。早期OPAC延...联机公共检索目录,即Online Public Access Cat-alog(OPAC),是20世纪70年代美国一些大学图书馆和公共图书馆共同开发的公共检索系统。首批采用OPAC的图书馆是加拿大Guelp大学图书馆(1976)和Waterloo大学图书馆(1977)。早期OPAC延续传统图书馆卡片目录构建思路,提供与卡片目录相同的记录内容、记录格式及检索点。发展至今,OPAC经历了从中心化、分布式到定制化系统三代产品的发展演化过程,OPAC所提供的信息已经从电子目录扩展到统计资料、图像、展开更多
The article expatiates the necessity of formulating the OPAC user interface criteria After a survey and analysis of the OPAC user interface criteria in China,the article puts forward some advices about OPAC user inter...The article expatiates the necessity of formulating the OPAC user interface criteria After a survey and analysis of the OPAC user interface criteria in China,the article puts forward some advices about OPAC user interface展开更多
文摘The progress in the research on OPAC is summarized,mainly on the subject retrieval and known document retrieval,known document retrieval and subject retrieval.Finally,the article gives the result of research.
文摘联机公共检索目录,即Online Public Access Cat-alog(OPAC),是20世纪70年代美国一些大学图书馆和公共图书馆共同开发的公共检索系统。首批采用OPAC的图书馆是加拿大Guelp大学图书馆(1976)和Waterloo大学图书馆(1977)。早期OPAC延续传统图书馆卡片目录构建思路,提供与卡片目录相同的记录内容、记录格式及检索点。发展至今,OPAC经历了从中心化、分布式到定制化系统三代产品的发展演化过程,OPAC所提供的信息已经从电子目录扩展到统计资料、图像、
文摘The article expatiates the necessity of formulating the OPAC user interface criteria After a survey and analysis of the OPAC user interface criteria in China,the article puts forward some advices about OPAC user interface