Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Cookhwan Kim, Sungsik Park, Kwiseok Kwon, Woojin Chang. An empirical study of the structure of relevant keywords in a search engine using the minimum spanning tree. Expert Syst. Appl., 39(4):4432-4443, 2012. [doi]
Abstract is missing.