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47th International Conference on Computers and Industrial Engineering: How Digital Platforms and Industrial Engineering are Transforming Industry and Services, CIE 2017

作者： Amaro, Bonfim Pinheiro, Plácido Rogério Graduate Program in Applied Informatics University of Fortaleza Fortaleza Brazil

The Nesting Problems are a special class of cutting and packing (C&P) problems in which a set of items with arbitrary geometry must be positioned in a surface with a non-fixed length, aiming a minimization of the require area for allocation of all given demand. It is commonly applied in industries that operate in various types of manufacturers and exporters activities (e.g., shipbuilding, clothes, and glass). In this work, we propose a parallel biased random-key genetic algorithm with multiple populations (μ-BRKGA) to the Nesting Problems using a collision-free region (CFR) concept as position method, intending at a more efficient and fastest layout compaction to get "good" solutions. The problem layout of the proposed algorithm, a solution, is represented for placement order in the surface and the corresponding orientation. As the way of to evaluate our (μ-BRKGA) algorithm, computational tests using benchmark instances were applied, discussed and compared with different existing literature methods.

关键词： Genetic algorithms

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Task assignment to distributed teams based on a qualitative multi-criteria approach 12

Task assignment to distributed teams based on a qualitative ...

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12th Iberian Conference on Information Systems and Technologies, CISTI 2017

作者： Filho, Marum Simao Pinheiro, Placido Rogerio Albuquerque, Adriano Bessa Graduate Program in Applied Informatics University of Fortaleza / 7 de Setembro University Center Fortaleza Brazil Graduate Program in Applied Informatics University of Fortaleza Fortaleza Brazil

ISBN: (纸本)9789899843479

The high growth of companies in recent years has caused the transformation of local markets into global ones. The software industry is not stranger to this transformation and has been looking for effective ways to work in a distributed scenario. A critical activity in distributed projects concerns the assignment of tasks to remote teams. This is a multicriteria decision-making problem and can be supported by Verbal Decision Analysis approaches. This paper describes an approach based on Verbal Decision Analysis methods to aid decision on factors that influence the assignment of tasks to distrubuted teams. The approach is based on the ORCLASS and ZAPROS III-i methods. The first results showed that factors such as 'low turnover rate' and 'team maturity' are among those considered more important, and the factors 'personal trust', 'low labor cost', 'cultural similarities' and 'time zone' were considered less relevant in DSD context. © 2017 AISTI.

关键词： Decision making

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PM4SOS: low-effort resource allocation optimization in a dynamic environment

PM4SOS: low-effort resource allocation optimization in a dyn...

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2022 IEEE International Conference on Systems, Man, and Cybernetics, SMC 2022

作者： Ferronato, Jair Jose Scalabrin, Edson Emilio Carvalho, Deborah Ribeiro Informatics Graduate Program Pucpr Paraná Curitiba Brazil Health Technology Graduate Program Pucpr Paraná Curitiba Brazil

ISBN: (数字)9781665452588

ISBN: (纸本)9781665452588

Surgical center scheduling is challenging to schedule physical spaces to reduce costs and increase productivity. This study presents a framework called PM4SOS (Process Mining for Simulation, optimization, and Scheduling) that facilitates the generation of an operating room schedule in an automated way and integrates, reducing cognitive overload and waste of time. This framework allows the evaluation of restrictions to get the best performance of surgical schedules. PM4SOS combines process mining with data from event logs, generation of the automated simulation model, and case-based reasoning (CBR) to analyze management indicators, allowing significant gains in optimization of the scheduling of surgical centers. The results with PM4SOS help decision-making in hospital environments to better use physical resources and human resources, such as reducing waiting time, optimizing surgery execution time, and resource capacity management. © 2022 IEEE.

关键词： Genetic algorithms

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Development of knowledge management system for determining organizational culture in micro, small and medium enterprises using organizational culture assessment instrument 1

Development of knowledge management system for determining o...

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2017 1st International Conference on Engineering and Applied Technology, ICEAT 2017

作者： Aziz, R.Z.A. Azima, M.F. Irianto, S.Y. Informatics Engineering Department Graduate Program Informatics and Business Institute Darmajaya Bandar Lampung Indonesia

Organizations must improve their competitiveness due to global competition and free market. Organizational culture and continuous improvement are one of the main factors used not only to face the competitiveness in the free market but also to improve organizational performance and vision and mission achievement. Moreover, the organizational culture also has an important element for determining the direction of Micro, Small and Medium Enterprises (MSMEs). However, many MSMEs currently do not pay attention to their organizational culture so that difficulties emerge in determining the right direction and policy. To solve the problems, this research aimed to determine the companies' organizational culture by using organizational culture assessment instrument (OCAI) based on knowledge management system (KMS) in order to provide recommendations. In the developing the system, the researchers conducted surveys to several MSMEs and invite experts and practitioners to conduct the process of knowledge capture and literature study and to achieve the best organizational culture recommendations on MSMEs. This research produced a software used for determining the organizational culture based on KMS and OCAI principles. The developed software was tested to several companies and MSMEs to obtain results with a very high level of accuracy in providing recommendations. © Published under licence by IOP Publishing Ltd.

关键词： Competition

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Transfer Learning for Keypoint Detection in Low-Resolution Thermal TUG Test Images

arXiv

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arXiv 2025年

作者： Chen, Wei-Lun Hsieh, Chia-Yeh Kao, Yu-Hsiang Liu, Kai-Chun Peng, Sheng-Yu Tsao, Yu Research Center for Information Technology Innovation Academic Sinica Taiwan Graduate Institute of Electrical Engineering National Taiwan University Taiwan Bachelor’s Program in Medical Informatics and Innovative Applications Fu Jen Catholic University Taiwan Department of Electrical Engineering National Taiwan University Taiwan College of Information and Computer Sciences University of Massachusetts AmherstMA01003 United States Department of Electrical Engineering National Taiwan University of Science of Technology Taiwan

This study presents a novel approach to human keypoint detection in low-resolution thermal images using transfer learning techniques. We introduce the first application of the Timed Up and Go (TUG) test in thermal image computer vision, establishing a new paradigm for mobility assessment. Our method leverages a MobileNetV3-Small encoder and a ViTPose decoder, trained using a composite loss function that balances latent representation alignment and heatmap accuracy. The model was evaluated using the Object Keypoint Similarity (OKS) metric from the COCO Keypoint Detection Challenge. The proposed model achieves better performance with AP, AP50, and AP75 scores of 0.861, 0.942, and 0.887 respectively, outperforming traditional supervised learning approaches like Mask R-CNN and ViTPose-Base. Moreover, our model demonstrates superior computational efficiency in terms of parameter count and FLOPS. This research lays a solid foundation for future clinical applications of thermal imaging in mobility assessment and rehabilitation monitoring. Copyright © 2025, The Authors. All rights reserved.

关键词： Thermography (imaging)

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A collaborative approach to requirements elicitation

A collaborative approach to requirements elicitation

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11th International Conference on Computer Supported Cooperative Work in Design, CSCWD 2007

作者： Laporti, Viviane Borges, Marcos R. S. Braganholo, Vanessa P. Graduate Program in Informatics Federal University of Rio de Janeiro Brazil

ISBN: (纸本)1424409632

The requirements elicitation of a system is a complex task. The different viewpoints and the need for negotiation make this stage of the software development process risky and susceptible to failures. The traditional elicitation approach based on interviews and questionnaires do not help. This paper proposes an approach founded on collective knowledge to progressively build the system requirements from a narrative of use stories to the definition of use cases. The proposed solution consists of a knowledge model based on stories about the system, a collective construction method, and a tool to support interaction. ©2007 IEEE.

关键词： Surveys

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Strengthening the Security of Deniable Authentication Scheme Using Zero-Knowledge Proof 11

Strengthening the Security of Deniable Authentication Scheme...

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11th International Conference on Communication and Network Security, ICCNS 2021

作者： Moesriami Barmawi, Ari Rizal Nurjaman, Asep Informatics Graduate Program School of Computing Telkom University Bandung Indonesia

ISBN: (纸本)9781450386425

In an electronic voting system, authentication is used to ensure that the voter is legitimate without knowing his/her identity, while the vote collectors verify the data is received from a legitimate user without knowing the identity of the voter. One of the authentication schemes that fulfilled this requirement is called a deniable authentication scheme, where the receiver can prove the source of the message while another party cannot identify the source of the message. In 2013, Li-Takagi et al. proposed a deniable authentication scheme. However, Li-Takagi's scheme has weaknesses if the receiver fully cooperates with the third party. In this case, the third party can identify the source of a given message. In the proposed method, zero-knowledge proof is introduced to preserve the anonymity of the deniable authentication scheme when the receiver fully cooperates with the third party. Based on the analysis, the proposed scheme fulfills the requirement of the deniable authentication scheme when the receiver fully cooperates with the third party. However, the proposed scheme has additional computation costs for securing the shared secret key. Two attack schemes that are carried out on both Li-Takagi and the proposed scheme are the MITM attack and the impersonation attack. The probability of breaking the proposed scheme using an MITM attack is lower than when using Li-Takagi's scheme, but the probability of breaking the proposed scheme using an impersonation attack is the same as Li-Takagi's scheme. © 2021 ACM.

关键词： Authentication

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Applying an event-based approach for detecting requirements interaction

Applying an event-based approach for detecting requirements ...

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ICEIS 2009 - 11th International Conference on Enterprise Information Systems

作者： Sarmiento, Edgar Borges, Marcos R. S. Campos, Maria Luiza M. Graduate Program in Informatics Federal University of Rio de Janeiro Brazil

ISBN: (纸本)9789898111845

At the software development cycle, it is in the requirements analysis phase that most of the problems that can compromise the delivery time and the development and maintenance costs must be identified and resolved. In general, the requirements obtained in this phase have different relationships with each other. Some of these relationships, commonly called negative interactions, make difficult or impossible the progress of some activities of the development process. The detection of interactions between requirements is an important activity that may prevent some of these problems and avoid their propagation throughout the remainder activities. Most of the existent research in this area only focuses on the requirements phase, mainly in the identification of conflict and/or inconsistency interactions. This paper presents a semi-formal event-based approach to model and identify the interactions between requirements, investigating the interactions that influence the other phases of the software development process.

关键词： Requirements engineering

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Automatic discovery of interactions between software requirements

Automatic discovery of interactions between software require...

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20th International Conference on Software Engineering and Knowledge Engineering, SEKE 2008

作者： Calisaya, Edgar S. Borges, Marcos R.S. Campos, Maria Luiza M. Graduate Program in Informatics Federal University Rio de Janeiro Brazil

ISBN: (纸本)9781627486620

The Requirement Engineering is the first and one of the most critical phases of any software development methodology. This phase is very complex because of the imprecision of the process, the communication problems and the different viewpoints of the stakeholders. Requirements defined with imprecision or ambiguity hide and/or make difficult the discovery of the different interactions that could exist between requirements. These requirements are considered interdependent, as one requirement depends on or affect others. The identification of the interactions between the requirements allows understanding and acting on the impact of these interactions in the subsequent stages of the software development process. There are several methods for requirements specification. However, most of them don't show explicitly these interactions. In this paper, we present an approach that allows the specification, identification and revealing the different interactions between requirements, using a semi-formal method based on events. The events are considered because the flows of events describe the behavior of the system, through a set of interactions between objects.

关键词： Software design

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Requirements prioritization in market-driven software: A survey based on large numbers of stakeholders and requirements 10

Requirements prioritization in market-driven software: A sur...

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10th International Conference on the Quality of Information and Communications Technology, QUATIC 2016

作者： Dos Santos, Jorge Romulo Frota Albuquerque, Adriano Bessa Pinheiro, Placido Rogerio University of Fortaleza Graduate Program in Applied Informatics Fortaleza Ceará Brazil

ISBN: (纸本)9781509035816

The launch of commercial off-the-shelf (COTS) software on the market requires careful planning, which incorporates a requirements prioritization process. Although there are numerous prioritization techniques, few satisfy quality criteria such as scalability, efficiency and ease of use. This research presents a survey of COTS software requirements prioritization to be potentially used by thousands of users. The HCV (Hierarchical Cumulative Voting) requirements prioritization technique was addressed and applied through a web questionnaire directly to potential users. At the end, 80 respondents sent the questionnaire and a score of requirements in ratio scale of measurement was obtained. It was found that the technique applied can respond positively to the needs and characteristics of Market-Driven Software Development, in similar situations to those described. © 2016 IEEE.

关键词： Surveys

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