J. Chen, W. Geyer, C. Dugan, M. Muller, and I. Guy, Make new friends, but keep the old, Proceedings of the 27th international conference on Human factors in computing systems, CHI 09, p.201, 2009.
DOI : 10.1145/1518701.1518735

M. Deza and E. Deza, Dictionary of Distances, 2006.

M. Konchady, Text Mining Application Programming. Charles River Media, 2006.

Y. Long and K. Siau, Social Network Structures in Open Source Software Development Teams, Journal of Database Management, vol.18, issue.2, pp.25-40, 2007.
DOI : 10.4018/jdm.2007040102

S. Minks, J. Martinovic, P. Drazdilova, and K. Slaninova, Author Cooperation Based on Terms of Article Titles from DBLP, 2011.
DOI : 10.1007/978-3-642-31603-6_24

M. F. Porter, An algorithm for suffix stripping. Program, pp.130-137, 1980.
DOI : 10.1108/00330330610681286

L. Vojacek, J. Martinovic, K. Slaninova, P. Drazdilova, and J. Dvorsky, Combined method for effective clustering based on parallel som and spectral clustering, DATESO, pp.120-131, 2011.