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+---
+layout: ontology_detail
+id: pain
+title: The Pain Ontology
+contact:
+  email: wdduncan@gmail.com
+  github: wdduncan
+  label: Bill Duncan
+  orcid: 0000-0001-9625-1899
+description: The Pain Ontology formalizes IASP's definition of pain as both an unpleasant physical and emotional experience, and it provides terms and axioms to represent the multidimensional aspects of pain, such as temporality, quality, extent, biological mechanism, and anatomical location.
+domain: health
+homepage: https://github.com/uflcod/pain-ontology
+license:
+  label: CC BY 4.0
+  url: https://creativecommons.org/licenses/by/4.0/
+preferredPrefix: PAIN
+products:
+- id: pain.owl
+  title: The Pain Ontology (OWL edition)
+  description: reasoned version of PAIN released in rdf/xml format
+- id: pain.json
+  title: The Pain Ontology (JSON edition)
+  description: reasoned version of PAIN released in JSON format
+- id: pain-non-classified.owl
+  title: The Pain Ontology, non-classified (OWL edition)
+  description: non-reasoned version of PAIN released in rdf/xml format
+- id: pain-non-classified.json
+  title: The Pain Ontology, non-classified (JSON edition)
+  description: non-reasoned version of PAIN released in JSON format
+- id: pain-base.owl
+  title: The Pain Ontology, base module (OWL edition)
+  description: base module of PAIN released in rdf/xml format
+- id: pain-base.json
+  title: The Pain Ontology, base module (JSON edition)
+  description: base module of PAIN released in JSON format
+- id: pain-simple.owl
+  title: The Pain Ontology, simple (OWL edition)
+  description: simplified version of PAIN released in rdf/xml format
+- id: pain-simple.json
+  title: The Pain Ontology, simple (JSON edition)
+  description: simplified version of PAIN released in JSON format
+repository: https://github.com/uflcod/pain-ontology
+tracker: https://github.com/uflcod/pain-ontology/issues
+activity_status: active
+---
+
+The Pain Ontology contains terms for representing pain as defined by the International Association For the Study of Pain (IASP), meaning that pain is both an unpleasant physical sensation and unpleasant emotional experience. It includes terms and axioms to represent the multidimensional aspect of pain, such as temporality (e.g., acute, chronic), qualitative (e.g., sharp, throbbing), extent (e.g., local, widespread), biological mechanism (e.g., nociceptive, neuropathic), and specific anatomical locations (e.g., back, knee).