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. 2007 Nov 3;36(Database issue):D607–D611. doi: 10.1093/nar/gkm941

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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 3. — Entity-relationship diagram for StellaBase. Tables are represented by rectangles, and interfaces among tables are represented by diamonds. Tables marked with an asterisk have been downloaded from NCBI. (cardinality: 2 straight lines, exactly 1; circle, zero; crow's feet, more than 1; circle and line, 0 or 1; circle and crow's feet, 0 or many; line and crow's feet, 1 or many).