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美国DIALOG系统是目前世界上最强大的国际联机检索系统之一,我国有关信息服务机构已有九年的应用历史。DIALOG国际联机检索系统实际上是一个巨型电子图书馆,拥有世界上100多个国家近20万个终端用户。1963年,位于美国加利福尼亚州旧金山市附近的Palo Alto市的美国洛克希德导弹航空公司(Lockheed Missile & Space Company Inc.)情报科学实验室,研制成功DIALOG人机对话式信息检索软件,即是现在国际联机检索DIALOG系统的前身,也是美国当时最大规模的机读数据库系统。1972年,该系统发展成为综合性商业国际联机检索系统,开创了向全世界范围内各国用户的商业性信息服务事业。1991年,美国DIALOG国际联机检索系统联通当今世界上最大规模的计算机互联网络Internet,并积极开发在Internet互联网络基础之上的各种信息服务方式,扩充信息服务内容,受到世界范围内新老用户的广泛好评,特别是那些位居经济领域的各阶层用户的欢迎。
The DIALOG system in the United States is one of the most powerful international online search systems in the world. The relevant information service agencies in China have already had a history of nine years. The DIALOG International Online Search System is actually a giant e-library with nearly 200,000 end-users in more than 100 countries around the world. In 1963, the intelligence science laboratory of Lockheed Missile & Space Company Inc. located in Palo Alto, near San Francisco, California, USA, successfully developed the DIALOG man-machine dialogue information retrieval software, which is now The predecessor of International Online Search DIALOG system is also the largest machine-readable database system in the United States at that time. In 1972, the system developed into a comprehensive business international online search system, creating a commercial information service to users all over the world. In 1991, the United States DIALOG International Online Retrieval System Unicom, the world’s largest Internet computer Internet, and actively develop various information services based on the Internet Internet, expand the information service content, by the new and old users worldwide The widespread acclaim, especially those in the economic field of all walks of life welcome.