The citation scope,full-text reading,index quality,retrieval system and retrieval effect of three academic journal network retrieval systems were compared and analyzed,the question that the network system of Chinese digital periodicals should be perfected and developed was pointed out and some suggestions were put forward.
The China Journal Network recently released Version 3.5 of the professional full_text database. As compared with the former edition, the new version of the China Journal Network has made great progress in its appearance and functions.
Articles about SCD published between 1994 and 2003 were searched in CNKI Chinese academic journal network, and 23 articles including 146 patients with clear MRI data were summarized.
Data sources Western (Cochrane controlled trials register and database of systematic reviews, Medline, Embase, CINAHL, and HealthSTAR) and Chinese (China Hospital Digital Library, Chinese Medical Journal Network) databases and hand search of Chinese journals.
Under the conditions of Internet environment, the modem medium technology should be fully utilized so as to realize modernization in editing work and diversity in publishing method. Journal network station should be established and electronic journals should be published in order to serve the agricultural development better in information age.
Methods On the platform of the currently available databases for academic science journals (Wanfang Datebase, China Acdemic Journal Network, PubMed and SCI) with the assistance general searching engines, the websites of the medical journals in Guangdong province were evaluated and the editorial offices of the core medical journals in Guangdong province were interviewed.
The concept of a stratified journal network is advanced where the nodes are journals and the relation is citation aggregated over the articles in these journals.
The article describes the background of the China journal network and discusses its advantage and insufficience. It points that the China journal network has been active practice and important contribution for journal digitalization and resources sharing network in. China.
CJN (Chinese Journal Network) and JSTOR are both interdisciplinary comprehensive databases, with similar search functions. In this paper, the authors compare the prices of the two network services, and consider some issues concerning the balance between printed and electrionic journals. 1 tab. 5 refs.
The citation scope,full-text reading,index quality,retrieval system and retrieval effect of three academic journal network retrieval systems were compared and analyzed,the question that the network system of Chinese digital periodicals should be perfected and developed was pointed out and some suggestions were put forward.