Plan and Process Ontologies
- PSL : the Process Description Language
is a standard developed by NIST.
- SPAR : the Planning Initiative's Shared Plan and Activity Representation.
- PIF: ontology of the Process Interchange
Format working group.
- CPR: Common Plan
Representation developed for DARPA's JTF/ATD.
the Enterprise Ontology defines activities and processes within
- ACT: SRI's
formalism to represent procedural knowledge for planning and execution.
- PDDL : the Planning Domain
Definition Language used in the AIPS planning competition.
- PLANET : ISI's
ontology to represent planning knowledge inspired by planning research.
It is available in Loom, KIF, and MELD. Documentation about its
alignment with IKB during the HPKB program is available at