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
X. Qi, Q. Yang, D. Nguyen, and G. Zhou. Proceedings of the 2013 ACM Conference on Pervasive and Ubiquitous Computing Adjunct Publication, page 111--114. New York, NY, USA, ACM, (2013)