Since measuring functional similarity of gene products correctly remains a challenge. This project design a novel approach based on semantic overlap ration of annotations to measure functional similarity of gene products in GO context. SORA is an online tool which presents main idea of the new approach for automatically measuring functional similarity of gene products.
    Measuring functional similarity of gene products using GO and GOA files. It taking into account the following options: (i) type of evidence codes to use; and (ii) GO type to use. Currently, SORA can measure functional similarity of gene products using the GO database and UniProt GO Annotation released in August, 2008 and August, 2012 respectively. More versions of GO and GOA files will be provide in the future.
    SORA provides tow strategies to measuring functional similarity of gene products:
       measuring the functional similarity between two gene products.
       measuring the functional similarity of gene products pairs list.
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