GCS - Global Citation Score shows the Citation Frequency based on the total count in the Web of Science. LCR - Local Cited References shows the count of cited papers within the collection. LCS - Local Citation Score shows the Citation Frequency within the
P. Mayr, A. Scharnhorst, B. Larsen, P. Schaer, and P. Mutschke. Proceedings of the 36th International European Conference on Information Retrieval, ECIR'14, April 13 - April 16, 2014, Amsterdam, The Netherlands, volume 8416 of Lecture Note in Computer Science, page 798–801. Springer, (2014)