Physical_Entity

The physical world evolves around two main classes: physical objects and processes. In lkif-core, the physical world evolves around two main classes: physical objects and processes. Objects are pieces of matter, while matter is typed by substances. Objects have mass, extension, viz. form and aggregation state (which limits form). Objects are the specification of the notion that matter, and in particular solid objects, is what makes the physical world relatively stable and observable. We define (physical) situations in the first place by the arrangement of physical objects (entities).

http://www.estrellaproject.org/lkif-core/lkif-top.owl#Physical_Entity

The physical world evolves around two main classes: physical objects and processes. In lkif-core, the physical world evolves around two main classes: physical objects and processes. Objects are pieces of matter, while matter is typed by substances. Objects have mass, extension, viz. form and aggregation state (which limits form). Objects are the specification of the notion that matter, and in particular solid objects, is what makes the physical world relatively stable and observable. We define (physical) situations in the first place by the arrangement of physical objects (entities).

Physical_Entity

http://www.w3.org/2002/07/owl#Thing