Assembling and Managing Virtual Organizations out of Multi-party Contracts

Bacarin, Evandro; Madeira, Edmundo Roberto Mauro; Medeiros, Cláudia Bauzer

doi:10.1007/978-3-642-01347-8_63

Cited by 2 publications

(6 citation statements)

References 15 publications

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“…Each participant has an window where it prints out a few remarks about the steps and decisions it has undertaken. A complete execution is shown in another paper ( [BMM09]). It presents how the main negotiation styles are combined seamlessly to build a virtual organization.…”

Section: Ns Custom Servicementioning

confidence: 99%

“…This provides the flexibility needed in multiparty negotiation in which partners change at each situation (e.g., typical of supply chains). In [BMM09] we present how SPICA's protocols can be combined to build virtual organizations. This paper details our implementation of SPICA which shows innovative ways of solving the challenges in implementing combined negotiation styles for e-contracts:…”

Section: Introductionmentioning

confidence: 99%

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SPIℂA'S MULTI-PARTY NEGOTIATION PROTOCOL: IMPLEMENTATION USING YAWL

Baccarin

Madeira

Medeiros

et al. 2011

Int. J. Coop. Info. Syst.

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A supply chain comprises several different kinds of actors that interact either in an ad hoc fashion (e.g. an eventual deal) or in a previously well-planned way. In the latter, how the interactions develop is described in contracts that are agreed on before the interactions start. This agreement may involve several partners, thus a multi-party contract is better suited than a set of bi-lateral contracts. If one is willing to negotiate automatically such kind of contracts, an appropriate negotiation protocol should be at hand. However, the ones for bi-lateral contracts are not suitable for multi-party contracts, e.g. the way to achieve consensus when only two negotiators are haggling over some issues is quite different if there are several negotiators involved. In the first case, a simple bargain would suffice, but in the latter a ballot process is needed. This paper briefly presents our negotiation protocol for electronic multi-party contracts which seamlessly combines several negotiation styles. It also elaborates on the main negotiation patterns the protocol allows for: bargain (for peer-to-peer negotiation), auction (when there is competition among the negotiators) and ballot (when the negotiation aims at consensus) and presents other patterns that can be built on these basic ones. Finally, it describes an implementation of this protocol based on Web services, and built on the YAWL Workflow Management System.

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Section: Ns Custom Servicementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

SPIℂA'S MULTI-PARTY NEGOTIATION PROTOCOL: IMPLEMENTATION USING YAWL

Baccarin

Madeira

Medeiros

et al. 2011

Int. J. Coop. Info. Syst.

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“…The ones detailed in this paper are just the most important and suitable for illustrating the use of the protocol's primitives. For a detailed example on protocol primitives, the reader is referred to [17], which shows how two hierarchical parallel negotiations are interleaved to produce a contract.…”

Section: Discussionmentioning

confidence: 99%

“…Note that step (c) validates the upcoming message before it is check in within the context of the suitable work item. A complete execution is shown in another paper ( [17]). It presents how the main negotiation styles are combined seamlessly to build a virtual organization.…”

Section: Ns Custom Servicementioning

confidence: 99%

“…This provides the flexibility needed in multi-party negotiation in which partners change at each situation (e.g., typical of supply chains). In [17] we present how SPICA's protocols can be combined to build virtual organizations. This paper details our implementation of SPICA which shows innovative ways of solving the challenges in implementing combined negotiation styles for e-contracts:…”

Section: Introductionmentioning

confidence: 99%

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Negociação automatica de contratos multi-laterais em cadeias produtivas agropecuarias

Baccarin¹,

Madeira²

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Uma cadeia produtiva agropecuáriaé constituída por diversos tipos de atores que estabelecem uma rede de relacionamentos bastante complexa. Estes relacionamentos variam de ad hoc e de curta duração até altamente estruturado e de longa duração. As cadeias produtivas agropecuárias possuem algumas particularidades, tais como, regulamentação estrita e dependência cultural, e possuem relevância social e econômica. A utilização de contratoś e a forma natural para expressar os relacionamentos entre os membros de uma cadeia. Desta forma, contratos e a atividade de negociá-los são de grande importância numa cadeia produtiva. Esta tese propõe um modelo para cadeias produtivas agropecuárias que integra suas principais características, incluindo seus aspectos estruturais e sua dinâmica. Em particular, a tese propõe um formato para contratos multi-laterais e um protocolo de negociação que os constrói. Contratos multi-laterais são importantes neste contexto, pois vários atores de uma cadeia produtiva podem construir alianças que compreendem direitos e obrigações mútuos. Um conjunto de contratos bi-laterais nãoé adequado para tal propósito. A tese também apresenta uma implementação do protocolo de negociação baseado em serviços Web e numa máquina de workflow (YAWL).

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Assembling and Managing Virtual Organizations out of Multi-party Contracts

Cited by 2 publications

References 15 publications

SPIℂA'S MULTI-PARTY NEGOTIATION PROTOCOL: IMPLEMENTATION USING YAWL

SPIℂA'S MULTI-PARTY NEGOTIATION PROTOCOL: IMPLEMENTATION USING YAWL

Negociação automatica de contratos multi-laterais em cadeias produtivas agropecuarias

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