Algorithms|Base Sequence|Cell Cycle|Cluster Analysis|Fibroblasts|Gene Expression Profiling|Gene Expression Regulation|HeLa Cells|Humans|Molecular Sequence Data|Oligonucleotide Array Sequence Analysis|Pattern Recognition, Automated|Reproducibility of Results|Saccharomyces cerevisiae|Sensitivity and Specificity|Sequence Alignment|Sequence Analysis, DNA|Software|User-Computer Interface