Merge pull request #1 from singaltanmay/master

Create readme.md

readme.md

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+# contig-alias #
+Reference sequences are files that are used as a reference to describe variants that are present in analyzed sequences and play a central role in defining a baseline of knowledge against which our understanding of biological systems, phenotypes and variation are based upon. Reference sequence files often use different naming schemes to refer to the same sequence and thus there is a strong need to be able to cross reference chromosomes/contigs using different nomenclatures. Thus there is a need for a centralized database with a alias resolution service that can cross reference accessions easily and reliably. Also a web service is required that allows users to access these services from any client and has a mechanism for manually or periodically ingesting new aliases from a remote datasource.