In the paper the problem of DNA sequencing by hybridization (SBH) is considered.With the developed software, MELTEM, several assembling procedures are used to ease acollecting a subset of oligonucleotides that would melt under practically identical conditionsin a hybridization experiment. Some clustering approaches implemented in the program arecompared. The algorithms of MELTEM are presented as well as the selected examples of amelting temperature analysis.Pozna