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作 者:李连山
机构地区:[1]兵器工业203所
出 处:《情报理论与实践》1996年第4期52-55,共4页Information Studies:Theory & Application
摘 要:文献标引质量与计算机检索关系的分析李连山(兵器工业203所陕西710111)AbstractThearticlehasbrieflydescribedtherelationshipbetweencomputerretrievalandindexing...This paper describes the market trends of information service of Europe and the trends of venders at the beginning stage of unifying market of Europe, then describes each market size of 9 service forms, the development situation of software packet, professional service, processing service and network service. In the end, the detailed situation of market development of information service of France, Germany, UK, Italy, Span, etc. is described, with 2 references and 6 tables
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