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Statistical analysis of software development models by six-pointed star framework

Intakhab Alam, Nadeem Sarwar, Iram Noreen, M. Usman Ashraf
2022 PLoS ONE  
and heavyweight methodologies for small, medium and large scale projects.  ...  The heavyweight methodology is suitable for medium and large-scale projects, whereas the AZ model, which is one of the latest models, works efficiently with both small-scale and large-scale categories  ...  Most respondent suggests a lightweight method is best for small and medium scale projects and a heavyweight method best for large-scale projects.  ... 
doi:10.1371/journal.pone.0264420 pmid:35363771 pmcid:PMC8975137 fatcat:sywr4wpq2fd4fcxb6ggmxisr44

Development of Preliminary Design Model for Ultra-Large Container Ships by Genetic Algorithm

Song-I Han, Ho-Seok Jung, Yong-Jin Cho
2012 International Journal of Ocean System Engineering  
We studied a preliminary optimized design technique for estimating the principal dimensions of an ultra-large container ship.  ...  In this study, we carried out a precedent investigation for an ultra-large container ship, which is expected to be a higher value-added vessel.  ...  As constraints for building a large-scale container ship, berthing determines the scale of the ship (container loading capacity).  ... 
doi:10.5574/ijose.2012.2.4.233 fatcat:a4epbjbqrvcuzpqwlhhfuc6pfa

Application of Freeform Surface to the Parametric Design of Plate Sheet Structure

Wei Zhang, Saoyao He, Mengran Wu, Chengjun Tang
2018 Chemical Engineering Transactions  
This paper constructs a small-scale, lightweight structure with complex freeform surfaces via parametric design.  ...  Then, the parametric design and software for complex surface structure were determined. On this basis, the small-scale structure was conceptualized and the model was improved in the design phase.  ...  This method can categorize complex structure objects into different categories according to their respective features.  ... 
doi:10.3303/cet1866113 doaj:16899db120794443949071269c1c809c fatcat:qpesz7ksrvblndsmp6mjfdpjaa

Multiscale Modeling of Elastic Properties of Sustainable Concretes by Microstructural-Based Micromechanics

V. Zanjani Zadeh, C. P. Bobko
2014 Journal of Composites  
The proposed multiscale method combines advanced experimental and analytical methods in a systematic way so that the inputs are nanoscale phases properties extracted from statistical nanoindentation technique  ...  The hardened cement pastes were homogenized by three analytical methods based on Self-Consistent and Mori-Tanaka schemes.  ...  The results of independent large-scale experiments were compared with model predictions for all the samples.  ... 
doi:10.1155/2014/758626 fatcat:gmc7r5bgnbhkjcm44vjzlki5da

Multivariate emulation of computer simulators: model selection and diagnostics with application to a humanitarian relief model

Antony M. Overstall, David C. Woods
2016 Journal of the Royal Statistical Society, Series C: Applied Statistics  
We present a common framework for Bayesian emulation methodologies for multivariate-output simulators, or computer models, that employ either parametric linear models or nonparametric Gaussian processes  ...  Novel diagnostics suitable for multivariate covariance-separable emulators are developed and techniques to improve the adequacy of an emulator are discussed and implemented.  ...  For the construction of each emulator, we scale the continuous input variables to [0, 1] and denote the levels of the categorical variables as {0, 1}.  ... 
doi:10.1111/rssc.12141 pmid:27609994 pmcid:PMC4991306 fatcat:woomluwzobhw7hixbghmypdiey

MobiFace: A Lightweight Deep Learning Face Recognition on Mobile Devices [article]

Chi Nhan Duong, Kha Gia Quach, Ibsa Jalata, Ngan Le, Khoa Luu
2019 arXiv   pre-print
The experimental results have shown that our lightweight MobiFace is able to achieve high performance with 99.73% on LFW database and 91.3% on large-scale challenging Megaface database.  ...  In this paper, a novel deep neural network named MobiFace, a simple but effective approach, is proposed for productively deploying face recognition on mobile devices.  ...  Model size is large when its size is greater than 20MB. * stands for our re-implementation. Methods Model Size ing both large-scale deep models and small-scale one.  ... 
arXiv:1811.11080v2 fatcat:yoh3a5grcbavhl5l2hqm5dzfsq

DPNET: Dual-Path Network for Efficient Object Detectioj with Lightweight Self-Attention [article]

Huimin Shi, Quan Zhou, Yinghao Ni, Xiaofu Wu, Longin Jan Latecki
2021 arXiv   pre-print
To address the trade-off between computational cost and detection accuracy, this paper presents a dual path network, named DPNet, for efficient object detection with lightweight self-attention.  ...  Extensive experiments on the COCO dataset demonstrate that our method achieves state-of-the-art detection results.  ...  These fused cross-resolution features pass two lightweight ConvBlocks, as shown in Fig. 2(b), to predict object bounding boxes and categorical labels.  ... 
arXiv:2111.00500v1 fatcat:7x4chqixtrb5vehaefh4huvsdu

Light-weighting in aerospace component and system design

L. Zhu, N. Li, P.R.N. Childs
2018 Propulsion and Power Research  
enabled by advanced manufacturing methods such as additive manufacture, foam metals and hot forming.  ...  A particular area identified as warranting attention and amenable to the use of lightweighting approaches is the design of solar powered aircraft wings.  ...  The research was performed at the AVIC Centre for Structural Design and Manufacture at Imperial College London.  ... 
doi:10.1016/j.jppr.2018.04.001 fatcat:aev5q7pjorfyzhffa2dmipjzqa

MobiSentry: Towards Easy and Effective Detection of Android Malware on Smartphones

Bingfei Ren, Chuanchang Liu, Bo Cheng, Jie Guo, Junliang Chen
2018 Mobile Information Systems  
In this paper, we present MobiSentry, a novel lightweight defense system for malware classification and categorization on smartphones.  ...  Therefore, more effective and easy-to-use approaches for detection of Android malware are in demand.  ...  However, these methods mainly rely on manually crafted detection patterns and can be rendered largely ineffective due to the production of novel malware variants.  ... 
doi:10.1155/2018/4317501 fatcat:rei5ahohlfaejpa4vqe7mlapsq

Paper Need Not Be Flat: Paper and Biomaterials Industries Need to Converge to Bring about True Innovation

Lokendra Pal, Margaret Joyce
2017 BioResources  
Biomaterials and new processes (3D printing and flexible hybrid electronics) offer opportunities to break free from a 2D paper world by allowing for the development of smart multi-dimensional structures  ...  We believe that their merger offers boundless opportunities and an opportunity for the paper industry to innovate a low cost, sustainable housing solution capable of promoting the well-being of its occupants  ...  They are mainly produced from fossil-derived synthetic plastics, ceramics, and metals on a large commercial scale for distribution around the world.  ... 
doi:10.15376/biores.12.2.2249-2251 fatcat:43tzylkkrzcevawwffzxubr2sy

Progressive Multi-stage Interactive Training in Mobile Network for Fine-grained Recognition [article]

Zhenxin Wu, Qingliang Chen, Yifeng Liu, Yinqi Zhang, Chengkai Zhu, Yang Yu
2021 arXiv   pre-print
However, the fundamental mobile network feature extraction capability is weaker than large-scale models.  ...  In this paper, based on the lightweight MobilenetV2, we propose a Progressive Multi-Stage Interactive training method with a Recursive Mosaic Generator (RMG-PMSI).  ...  However, the fundamental mobile network feature extraction capability is weaker than large-scale models.  ... 
arXiv:2112.04223v1 fatcat:sn2wcwqsgbgv7l7puhgqpapcum

Forecasting SQL Query Cost at Twitter [article]

Chunxu Tang, Beinan Wang, Zhenxiao Luo, Huijun Wu, Shajan Dasan, Maosong Fu, Yao Li, Mainak Ghosh, Ruchin Kabra, Nikhil Kantibhai Navadiya, Da Cheng, Fred Dai (+2 others)
2022 arXiv   pre-print
At Twitter, infrastructure engineers are maintaining a large-scale SQL federation system across on-premises and cloud data centers for serving ad-hoc queries.  ...  The method can be generalized to broader SQL systems and heterogeneous environments. The models can achieve 97.9\% accuracy for CPU usage prediction and 97\% accuracy for memory usage prediction.  ...  We are also grateful to Daniel Lipkin and Derek Lyon for their strategic vision, direction, and support to the team.  ... 
arXiv:2204.05529v1 fatcat:3o6hc42whraetjtud6m6uzuiia

Data format and browser of lightweight CAD files for dimensional verification over the internet

In-Ho Song, Sung-Chong Chung
2009 Journal of Mechanical Science and Technology  
Good design methodology of a lightweight CAD file is required for rapid transmission on the distributed network environment.  ...  The demand for the use of 3D CAD data over the Internet environment has been increasing. However, CAD data size has deteriorated the communication effectiveness of 3D CAD files.  ...  To save them as a file for a future application, a large amount of file size is required.  ... 
doi:10.1007/s12206-009-0102-4 fatcat:mepszhekivgvznvl7cgs5cjpuy

An explorative survey of formal and agile software development methods

S.B. Oyong, V.E. Ekong
2019 Global Journal of Pure and Applied Sciences  
Software development has evolved, from the era of "code and fix" to methods categorized as "heavyweight" and "lightweight".  ...  The heavyweight methods are championed by the waterfall method, while agile methods are considered the lead in lightweight methods of software development.  ...  In contrast, plan-driven methods scale better with large projects.  ... 
doi:10.4314/gjpas.v25i1.10 fatcat:qdypjxjns5datnw2xkuhurwwhi

The Effects of Agile Methodologies on Software Project Management in Pakistani Software Companies

Javed Iqbal Et.al
2021 Turkish Journal of Computer and Mathematics Education  
However, Extreme Programming, Scrum, Kanban and Agile modeling are the main determinants of production disparity among software companies.  ...  In this context, an extensive survey has been conducted in 52 prominent software development companies of Pakistan to identify this remedy and the motivation behind this production discrepancy.  ...  The results revealed that lightweight methods were better for small-scale, while heavyweight methods were better for large-scale softwares [10] .  ... 
doi:10.17762/turcomat.v12i3.996 fatcat:me6lxjayrfgcna22u6def7c4gu
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