Scientific citation database is a 1 large citation database developed by Wu Shulian, covering all non-confidential disciplines such as natural science, engineering technology, agriculture and forestry science, medical science, humanities science and social science.
The theoretical basis of SCD is based on the following three aspects:
1, Bradford's Bradford's law is based on the "law of document concentration and dispersion".
2.E.Garfield's paper Citation Index Used in Science.
3. Wu Shulian thinks that "researchers from different disciplines have the same innovation ability on average".
Capital expansion information
The role of periodicals:
The establishment of SCD realizes the one-to-one correspondence between natural science papers and social science papers, and the one-to-one correspondence between natural science first-class disciplines and social science first-class disciplines, and realizes the direct comparability of the number of papers of researchers in different disciplines.
In 2006, SCD source periodicals * * * included domestic periodicals 1205, including 690 kinds of science (including science, engineering, agriculture and medicine) and 5 kinds of liberal arts13 kinds (including philosophy, economics, law, education, literature, history and management).
Baidu encyclopedia -SCD