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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Estimativa de esforço e modelagem das atividades do design / Effort estimation and design activities modelling

Benedetto Neto, Henrique January 2018 (has links)
Nesta pesquisa é investigado o processo de cotação de projetos de produtos/serviços de design com foco na estimativa de tempos. Uma proposta de framework é desenvolvida pelo entendimento de como os profissionais do design têm acesso as informações de esforço necessárias para cotação de seus projetos. O escopo e objetivos desta pesquisa advém de problemas relacionados com a prática de cotação, uma vez que os profissionais do design não dispõem de uma base de dados que os oriente com relação aos tempos para execução de suas atividades. O contexto de cotação de projetos de produtos/serviços apresenta uma lacuna no ambiente do design e as demandas relacionadas foram apontadas por meio de pesquisa bibliográfica, sendo posteriormente validadas através de estudo exploratório com profissionais do design. Nessa busca pelo entendimento da cotação, primeiramente é aplicada entrevista em profundidade com designers, que resulta em um conjunto de elementos chamados de dimensões da estimativa de tempo e ditos estruturantes para a cotação de projetos. Com base nesses elementos, um conjunto de hipóteses é elaborado e avaliado através de uma survey, veiculada nacionalmente, obtendo 427 respostas válidas. O framework proposto atuará sobre a variável “tempo” e disponibilizará um conjunto de opções de Redes de Projetos para desenvolvimento de produtos e/ou serviços, destacando, dentre as disponíveis, as boas práticas para as diversas atividades do Design. Para um aprimoramento contínuo das práticas registradas, será utilizada a abordagem de sistemas dinâmicos e para assegurar que as atividades do design possam ser expressas computacionalmente, para posterior comparação, será considerada a aplicação de uma ontologia das atividades do design. / In this research the process of quotation of products/services projects in the design domain is investigated focusing time estimation. A framework proposal is developed by understanding how design professionals estimate the information of effort needed to quote their projects. The scope and objectives of this research arise from problems related to the practice of quotation, since the design professionals do not have a database that guides them in relation to the times for carrying out their activities. The context of quotation of product/service projects presents a gap in the design environment and the related demands were pointed out through bibliographic research, and later validated through an exploratory study with design professionals. In the search for an understanding of the quotation process, it was, firstly applied an in-depth interview with designers, which resulted in a set of elements called structuring for time estimation and, therefore, for the quotation of projects. Based on these elements, a set of hypotheses was elaborated and evaluated through a survey, carried nationally, obtaining 427 valid answers. The proposed framework will act on the variable "time" and will make available a set of Project Network options for the development of products and/or services, highlighting, among the available ones, good practices for the various Design Activities. For a continuous improvement of the registered practices, the approach of Dynamic Systems will be used and to ensure that the activities of the design can be computationally expressed, for later comparison, will be considered the application of an ontology of the design activities.
2

Cosmic metodo taikymas darbo imlumo įvertinimui agile projektuose / Cosmic method usage for job evaluation in agile projects

Ivonytė, Aistė 18 August 2014 (has links)
COSMIC metodas apibrėžia principus, taisykles ir standartinio funkcinio dydžio matavimo procesą. Šio metodo realizacija Agile projektuose, padės prognozuoti konkrečios užduoties atlikimo laiką ankstyvoje planavimo stadijoje. Netikslus darbo imlumo įvertinimas planavimo stadijoje gali tapti rimta problema, dėl ko gali nepavykti įgyvendinti projekto, arba jo dalies, laiku. Vartotojų scenarijai yra vertinami SP, kurie nėra verčiami į laikinę skalę, kas dar labiau apsunkina tikslų darbo imlumo įvertinimą pradinėje projekto ir užduočių planavimo stadijoje. Šiame darbe atliekama detali COSMIC metodo analizė, apžvelgiami esami įrankiai, skirti Agile projektams. Įsitikinama, kad nėra sukurto įrankio, leidžiančio prognozuoti vartotojų scenarijų atlikimo laiką, sujungus COSMIC su istoriniais darbų atlikimo duomenimis. Darbe iškeltų tikslų pasiekimui buvo atliktas trijų dalių eksperimentinis tyrimas kurio metu paaiškėjo, kad COSMIC metodo apjungimas su istoriniais darbų atlikimo duomenimis gali pateikti panašią ar net geresnę prognozę, lyginant su programuotojų komandos įvertinimu. Taip pat pateikiamos idėjos įrankio korekcijai, jos realizuojamos ir kartojamas eksperimentas. Aptariami gauti rezultatai ir pateikiamos išvados. / COSMIC method defines principles, rules and the process of standard functional size measurement. Method implementation in Agile projects will help forecasting the completion time for a specific task in the early planning stages. Inaccurate task capacity estimation in the planning stage can become a serious problem which in turn may lead to not being able to complete parts of the assignment or even the whole project. User stories are being evaluated as SP which are not converted into a timescale which further complicates accurate job receptivity in the early project and task planning stage. Within this paper a detailed COSMIC method analysis is being performed as well as a review of existing Agile project tools. Also making sure that there are no other tools which allow the forecast of user story completion time by merging COSMIC with task completion time history log. To complete the goals of this paper a three part experimental survey took place which determined that the consolidation of the COSMIC method with the task completion time history may result in a similar or even more accurate forecast as compared to the forecast of a team of software developers. Also new ideas for tool adjustments are included, their implementation and repeating of the experiment, review of the obtained results and findings.

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