How are new citation-based journal indicators adding to the bibliometric toolbox? Export

@article{citeulike:5838909, abstract = {The launching of Scopus and Google Scholar, and methodological developments in Social Network Analysis have made many more indicators for evaluating journals available than the traditional Impact Factor, Cited Half-life, and Immediacy Index of the ISI. In this study, these new indicators are compared with one another and with the older ones. Do the various indicators measure new dimensions of the citation networks, or are they highly correlated among them? Are they robust and relatively stable over time? Two main dimensions are distinguished -- size and impact -- which together shape influence. The H-index combines the two dimensions and can also be considered as an indicator of reach (like Indegree). PageRank is mainly an indicator of size, but has important interactions with centrality measures. The Scimago Journal Ranking (SJR) indicator provides an alternative to the Journal Impact Factor, but the computation is less easy.}, archivePrefix = {arXiv}, author = {Leydesdorff, Loet}, citeulike-article-id = {5838909}, citeulike-linkout-0 = {http://arxiv.org/abs/0909.4457}, citeulike-linkout-1 = {http://arxiv.org/pdf/0909.4457}, day = {24}, eprint = {0909.4457}, keywords = {citation, citation\_network, impact\_factor, ranking}, month = {Sep}, posted-at = {2009-09-28 08:56:40}, priority = {2}, title = {How are new citation-based journal indicators adding to the bibliometric toolbox?}, url = {http://arxiv.org/abs/0909.4457}, year = {2009} }

TY - JOUR ID - citeulike:5838909 L3 - citeulike-article-id:5838909 N2 - The launching of Scopus and Google Scholar, and methodological developments in Social Network Analysis have made many more indicators for evaluating journals available than the traditional Impact Factor, Cited Half-life, and Immediacy Index of the ISI. In this study, these new indicators are compared with one another and with the older ones. Do the various indicators measure new dimensions of the citation networks, or are they highly correlated among them? Are they robust and relatively stable over time? Two main dimensions are distinguished -- size and impact -- which together shape influence. The H-index combines the two dimensions and can also be considered as an indicator of reach (like Indegree). PageRank is mainly an indicator of size, but has important interactions with centrality measures. The Scimago Journal Ranking (SJR) indicator provides an alternative to the Journal Impact Factor, but the computation is less easy. TI - How are new citation-based journal indicators adding to the bibliometric toolbox? KW - citation KW - citation_network KW - impact_factor KW - ranking AU - Leydesdorff, Loet PY - 2009/Sep/24/ UR - http://arxiv.org/abs/0909.4457 ER -