The SEAS Offering ontology

Contract

Label: Contract

IRI: https://w3id.org/seas/Contract

A contract is a container for transactions.

• sub class of: https://w3id.org/pep/ProcedureExecutionContainer

• domain of: party

Offering

Label: Offering

IRI: https://w3id.org/seas/Offering

An offering is a procedure that is offered or sought for by a player.

An offering may be linked through property seas:includes to the property evaluations that are included in the offering. For example, <player1> offers to pay 34 € to <player2> to receive 1 MWh.

<player1> seas:moneyConnectionPoint <connectionPoint1> ;
  seas:electricalConnectionPoint <connectionPoint2> ;
  seas:offers <offering> .

<connectionPoint1> seas:moneyBalance <property1> .
<connectionPoint2> seas:energyBalance <property2> .
<property1> seas:evaluation <evaluation1> .
<property2> seas:evaluation <evaluation2> .

<offering> seas:outputIncludesEvaluation <evaluation1>, <evaluation2> .

<evaluation1> seas:evaluatedValue "-34 €"^^cdt:currency .
<evaluation2> seas:evaluatedValue "1 MWh"^^cdt:ucum .

Figure below provides an overview of the concepts in this ontology:

• sub class of: https://w3id.org/pep/Procedure
• range of: offers, seeks

SubscriptionPriceSpecification

Label: Subscription price specification

IRI: https://w3id.org/seas/SubscriptionPriceSpecification

Subscription based price specification. Price can be, e.g., monthly or yearly fee.

• sub class of: http://purl.org/goodrelations/v1#PriceSpecification

Transaction

Label: Transaction

IRI: https://w3id.org/seas/Transaction

A transaction is a contract execution. A transaction has a buyer, a seller, and may include zero or more evaluations.

The transaction content is modeled by the included evaluations. In particular, the transaction price is modeled as the evaluation of a money flow between the buyer and the seller.

• domain of: buyer, seller

buyer

Label: buyer

IRI: https://w3id.org/seas/buyer

Links a transaction to the buyer.

• domain: Transaction

• range: Player

inputIncludesEvaluation

Label: input includes evaluation

IRI: https://w3id.org/seas/inputIncludesEvaluation

Links a transaction, contract or offering to a property evaluations its input includes (preconditions). More general transactions, contracts, or offerings can be described using property pep:hasInput.

• range: Evaluation

offers

Label: offers

IRI: https://w3id.org/seas/offers

Links an agent to a procedure it offers.

• domain: Player
• range: Offering

outputIncludesEvaluation

Label: output includes evaluation

IRI: https://w3id.org/seas/outputIncludesEvaluation

Links a transaction, contract or offering to the property evaluations its output includes (postconditions). More general transactions, contracts, or offerings can be described using property pep:hasOutput.

• range: Evaluation

party

Label: party

IRI: https://w3id.org/seas/party

Links a contract to one of the parties that agreeed on the contract.

• domain: Contract
• range: Player

seeks

Label: seeks

IRI: https://w3id.org/seas/seeks

Links an agent to a procedure it seeks.

• domain: Player
• range: Offering

seller

Label: seller

IRI: https://w3id.org/seas/seller

Links a transaction to the seller.

• domain: Transaction
• range: Player