SOMA stands for Socio-physical Model of Activities (https://ease-crc.github.io/soma/).
The Socio-physical Model of Activities (SOMA) is an ontological modeling approach for autonomous robotic agents performing everyday manipulation activities.
SOMA is based on Dolce Ultralite ontology, and defines among other:
cognitive agent
Physical agent
Artificial agent
Software instance
Sub-cognitive agent
involvesArtifact
hasSoftwareAgent
isAnsweredBy
isAskedBy
isPerformedBy
isArtifactInvolvedIn
dul:isAgentInvolvedIn