Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:‚Ä¶both 3 and 5 directions were assembled using the programs phred (Ewing and Green 1998; Ewing et al. 1998), phrap (http://www.phrap.org) and Consed (Gordon et al. 1998), and were submitted to the GenBank (http://www.ncbi.nlm.nih.gov/blast) and Rhizobase databases‚Ä¶
Category: