The following publications are possibly variants of this publication:
- Partitioning the Semantic Network of the UMLSZong Chen, Michael Halper, James Geller, Yehoshua Perl. amia 2000: [doi]
- Evaluation and application of a semantic network partitionJames Geller, Yehoshua Perl, Michael Halper, Zong Chen, Huanying Gu. titb, 6(2):109-115, 2002.
- A metaschema of the UMLS based on a partition of its semantic networkMichael Halper, Zong Chen, James Geller, Yehoshua Perl. amia 2001: [doi]