CiteSpace: visualizing patterns and trends in scientific literature
Chen, C. et al. (2010) The structure and dynamics of co-citation clusters: A multiple-perspective co-citation analysis. Journal of the American Society for Information Science and Technology. (10.1002/asi.21309) Chen, C. (2006) CiteSpace II: Detecting and visualizing emerging trends and transient patterns in scientific literature. Journal of the American Society for Information Science and Technol
VOSviewer - Visualizing scientific landscapes
Centre for Science and Technology Studies Centre for Science and Technology Studies 2333AL Leiden Zuid Holland 31715273909 Welcome to VOSviewer VOSviewer is a software tool for constructing and visualizing bibliometric networks. These networks may for instance include journals, researchers, or individual publications, and they can be constructed based on citation, bibliographic coupling, co-citati
事典検索システム Cyclone
事典検索システム Cyclone （サイクロン） とは？ 様々なページから言葉に関する説明を自動的に集めて，Webを事典（辞典）のように使うためのシステムです．
Search engine and human edited web directory KartOO
KartOO ranks among the most powerful search engines. For each query the metasearch engine compiles a comprehensive selection of websites and sorts them by relevancy with the use of proprietary algorithms. KartOO assists users in finding the most appropriate website for a given query without delay. The outstanding quality and relevancy of KartOO痴 results page is produced by our semi-automated valid
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