Open AccessA global map of science based on the ISI subject categories
Author(s) -
Leydesdorff Loet,
Rafols Ismael
Publication year - 2009
Publication title -
journal of the american society for information science and technology
Language(s) - English
Resource type - Journals
eISSN - 1532-2890
pISSN - 1532-2882
DOI - 10.1002/asi.20967
Subject(s) - subject (documents) , scientometrics , computer science , impact factor , attribution , citation , matrix (chemical analysis) , discipline , data science , information retrieval , co citation , library science , psychology , sociology , social science , political science , social psychology , materials science , law , composite material