'''Abstract Job Object''' (AJO) describes, in [[abstract type|abstract form]], an action carried out on a [[computational grid]].<ref>{{cite web
| url = http://www.unigrids.org/GRO_v1.0.owl
| title = unigrids.org
| publisher = unigrids.org
}}</ref>
It represents a conceptual representation of a "[[Process (computing)|job]]" as a collection of possible interdependent operations in order to be carried out on different computational and data services at collaboration sites.<ref>{{cite web
| url = http://www.unigrids.org/GRO_v1.0.owl
| title = Euro-Par 2001 parallel processing: 7th International Euro-Par Conference
| publisher = Rizos Sakellariou, John Keane, John Gurd, Len Freeman
