CLOBB (Cluster on the basis of BLAST similarity), is a clustering algorithm to identify and cluster ESTs.

References:
Making sense of EST sequences by CLOBBing them. John Parkinson, David B. Guiliano, and Mark Blaxter. Institute of Cell, Animal and Population Biology, University of Edinburgh, Edinburgh EH9 3JT, UK. BMC Bioinformatics. 2002; 3 (1): 31