TY - RPRT TI - Tracking evolving communities in large linked networks. AU - John Hopcroft AU - Omar Khan AU - Brian Kulis AU - Bart Selman PY - 2004 DO - 10.1073/pnas.0307750100 UR - https://pubmed.ncbi.nlm.nih.gov/14757820/ ID - 14757820 ER -