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. 2007 Nov 19;36(Database issue):D923–D928. doi: 10.1093/nar/gkm1039

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© 2007 The Author(s)

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Entity relationship diagram of the VIOLIN database. The details of table reference and user are not shown in this figure. The diamond represents a one-to-many (blank-to-solid) relationship between two tables.