Verifying Service Choreography Model Based on Description Logic

Table 3

Axiom set and instances set of purchase order service choreography model (fragment).

Axiom set in Tbox

Instances set in Abox

NoAction Abas; SilentAction Abas; InterAction Abas; Assign Abas; Perform Abas; Abas Act; Astr Act; Session SessionDeduction.Session; Participant Implement.Role; Choreography Contain.Session; Interaction Depend.Channel; Role Belong_to.Participant; Interface Bind.Role; Session Executing.; Session Sequence. Session; Session Choice. Session; ⋮

S_poReq: S_poReq_req: S_poReq_resp: S_poReq_assign_Buyer: S_poReq_assign_Seller: S_credChe: S_poResp: ProductTrader: Participant; ServiceProvider: Participant; S_credChe   S_invChe S_Che: S_poResp + S_poRej: Cho_po: Choreography; Buyer: Role; Supplier: Role; P_credChe: Precondition; Cho_po, S_poReq: Contain; S_credChe, P_credChe: Guard; S_poReq, S_poReq_req: Executing; S_credChe, S_invChe: Parallel; S_poReq, S_credChe   S_invChe S_Che: Sequence; ⋮