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Glossary Term
Glossary Term Directed Acyclic Graph (DAG)
Definition A directed graph where no path starts and ends at the same vertex. See Dictionary of Algorithms and Data Structures.

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Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB), Gene Ontology (GO)
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MGI 6.20
The Jackson Laboratory