Model Consistency and Conflict Resolution With Data Preservation in Multi-User Computer Aided Design

Hepworth, Ammon I.; Tew, Kevin; Trent, Mark; Ricks, Daniel; Jensen, C. Greg; Red, W. Edward

doi:10.1115/1.4026553

Cited by 19 publications

(14 citation statements)

References 11 publications

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“…The difference between this paper and the most closely related reference [13] is that our method is based on peer-to-peer replicated architecture, in which we have to face new technical challenges. The detailed differences are analyzed and compared as follows.…”

Section: Architecture and Strategymentioning

confidence: 99%

“…Firstly, [13] adopts a replicated architecture with a centralized server used to coordinate the collaborative CAD operations and sends the global order of operations to all design sites. Therefore, the modeling history of each site is automatically consistent.…”

Section: Architecture and Strategymentioning

confidence: 99%

“…Secondly, [13] uses the time that operations come to the server as the fundamental judgement criterion. The coordination of operations from design sites is achieved by the matching and updating of the Operation Sequence Number (OSN) on the service and received operational sequence number (ROSN) on the client.…”

Section: Architecture and Strategymentioning

confidence: 99%

“…Operational conflicts can be classified as different types based on different taxonomies. For example, according to [13], operational conflict can be classified into two types, "a semantic conflict is caused by valid operations which violate the design intent of a model, leading to redundant work; a syntactic conflict happens between operations that cause one or more operations to become invalid" [13] (p. 2). This manuscript keeps the above roadmap and presents a novel approach to ensure consistent and valid modeling results in Co-CAD.…”

Section: Conflict Resolutionmentioning

confidence: 99%

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Collaborative CAD Synchronization Based on a Symmetric and Consistent Modeling Procedure

Han

2017

Symmetry

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Abstract:One basic issue with collaborative computer aided design (Co-CAD) is how to maintain valid and consistent modeling results across all design sites. Moreover, modeling history is important in parametric CAD modeling. Therefore, different from a typical co-editing approach, this paper proposes a novel method for Co-CAD synchronization, in which all Co-CAD sites maintain symmetric and consistent operating procedures. Consequently, the consistency of both modeling results and history can be achieved. In order to generate a valid, unique, and symmetric queue among collaborative sites, a set of correlated mechanisms is presented in this paper. Firstly, the causal relationship of operations is maintained. Secondly, the operation queue is reconstructed for partial concurrency operation, and the concurrent operation can be retrieved. Thirdly, a symmetric, concurrent operation control strategy is proposed to determine the order of operations and resolve possible conflicts. Compared with existing Co-CAD consistency methods, the proposed method is convenient and flexible in supporting collaborative design. The experiment performed based on the collaborative modeling procedure demonstrates the correctness and applicability of this work.

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Section: Architecture and Strategymentioning

confidence: 99%

Section: Architecture and Strategymentioning

confidence: 99%

Section: Architecture and Strategymentioning

confidence: 99%

Section: Conflict Resolutionmentioning

confidence: 99%

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Collaborative CAD Synchronization Based on a Symmetric and Consistent Modeling Procedure

Han

2017

Symmetry

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“…Hepworth et al [21] proposed a method that could keep the model independent and achieve synchronization between distributed computer aided designs. Cheng et al [22] proposed a meta-operation conflict resolution method to construct a feature-based collaborative design system.…”

Section: Introductionmentioning

confidence: 99%

An Empirical Study on Design Partner Selection in Green Product Collaboration Design

Liu

Xiao

et al. 2018

Sustainability

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Abstract:Green production has become an important issue in PCD (Product Collaboration Design) for almost every enterprise, and will determine the sustainability of enterprises in the long term. The choice of design partner is a necessary condition in order to achieve green production. For the uncertain, fuzzy, and dynamic information such as unknown indices and weights, fuzzy semantics, and dynamic time factors in GPCD (Green Product Collaboration Design), a two-stage dynamic hybrid MADM (Multi-Attribute Decision Making) approach based on fuzzy DEMATEL (Decision-Making and Trial Evaluation Laboratory), fuzzy KMA (Karnik-Mendel Algorithm), and fuzzy VIKOR (VlseKriterjumska Optimizacija I Kompromisno Resenje) was proposed. In the first stage, fuzzy DEMATEL was used to determine the evaluation indices. Then, in the second stage, to accurately depict the dynamic information generated by the different phases of a product design, the dynamic evaluation method based on fuzzy theories was employed, and the weights of the indices were calculated by fuzzy KMA, then sorted by fuzzy VIKOR. Finally, a case study and a comparative analysis wre provided to illustrate the effectiveness of the proposed approach.

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Efficiency in the serverless cloud paradigm: A survey on the reusing and approximation aspects

Denninnart,

Chanikaphon,

Amini Salehi

2023

Softw Pract Exp

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SummaryServerless computing along with Function‐as‐a‐Service (FaaS) is forming a new computing paradigm that is anticipated to found the next generation of cloud systems. The popularity of this paradigm is due to offering a highly transparent infrastructure that enables user applications to scale in the granularity of their functions. Since these often small and single‐purpose functions are managed on shared computing resources behind the scene, a great potential for computational reuse and approximate computing emerges that if unleashed, can remarkably improve the efficiency of serverless cloud systems—both from the user's QoS and system's (energy consumption and incurred cost) perspectives. Accordingly, the goal of this survey study is to, first, unfold the internal mechanics of serverless computing and, second, explore the scope for efficiency within this paradigm via studying function reuse and approximation approaches and discussing the pros and cons of each one. Next, we outline potential future research directions within this paradigm that can either unlock new use cases or make the paradigm more efficient.

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Model Consistency and Conflict Resolution With Data Preservation in Multi-User Computer Aided Design

Cited by 19 publications

References 11 publications

Collaborative CAD Synchronization Based on a Symmetric and Consistent Modeling Procedure

Collaborative CAD Synchronization Based on a Symmetric and Consistent Modeling Procedure

An Empirical Study on Design Partner Selection in Green Product Collaboration Design

Efficiency in the serverless cloud paradigm: A survey on the reusing and approximation aspects

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