Partitioning the UMLS semantic network

Authors:
Zong Chen;Y. Perl;M. Halper;J. Geller;Huanying Gu
Affiliations:
Comput. Sci. Dept., New Jersey Inst. of Technol., Newark, NJ, USA;-;-;-;-
Venue:
IEEE Transactions on Information Technology in Biomedicine
Year:
2002

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Abstract

The unified medical language system (UMLS) integrates many well-established biomedical terminologies. The UMLS semantic network (SN) can help orient users to the vast knowledge content of the UMLS metathesaurus (META) via its abstract conceptual view. However, the SN itself is large and complex and may still be difficult to comprehend. Our technique partitions the SN into smaller meaningful units amenable to display on limited-sized computer screens. The basis for the partitioning is the distribution of the relationships within the SN. Three rules are applied to transform the original partition into a second more cohesive partition.