Minimalism and Other Trends
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Software Quality Management
Software Quality Management 2004-2005 Marco Scotto ([email protected]) Software Quality Management Contents ¾Definitions ¾Quality of the software product ¾Special features of software ¾ Early software quality models •Boehm model • McCall model ¾ Standard ISO 9126 Software Quality Management 2 Definitions ¾ Software: intellectual product consisting of information stored on a storage device (ISO/DIS 9000: 2000) • Software may occur as concepts, transactions, procedures. One example of software is a computer program • Software is "intellectual creation comprising the programs, procedures, rules and any associated documentation pertaining to the operation of a data processing system" •A software product is the "complete set of computer programs, procedures and associated documentation and data designated for delivery to a user" [ISO 9000-3] • Software is independent of the medium on which it is recorded Software Quality Management 3 Quality of the software product ¾The product should, on the highest level… • Ensure the satisfaction of the user needs • Ensure its proper use ¾ Earlier: 1 developer, 1 user • The program should run and produce results similar to those expected ¾ Later: more developers, more users • Need to economical use of the storage devices • Understandability, portability • User-friendliness, learnability ¾ Nowadays: • Efficiency, reliability, no errors, able to restart without using data Software Quality Management 4 Special features of software (1/6) ¾ Why is software ”different”? • Does not really have “physical” existence -
Quality-Based Software Reuse
Quality-Based Software Reuse Julio Cesar Sampaio do Prado Leite1, Yijun Yu2, Lin Liu3, Eric S. K. Yu2, John Mylopoulos2 1Departmento de Informatica, Pontif´ıcia Universidade Catolica´ do Rio de Janeiro, RJ 22453-900, Brasil 2Department of Computer Science, University of Toronto, M5S 3E4 Canada 3School of Software, Tsinghua University, Beijing, 100084, China Abstract. Work in software reuse focuses on reusing artifacts. In this context, finding a reusable artifact is driven by a desired functionality. This paper proposes a change to this common view. We argue that it is possible and necessary to also look at reuse from a non-functional (quality) perspective. Combining ideas from reuse, from goal-oriented requirements, from aspect-oriented programming and quality management, we obtain a goal-driven process to enable the quality-based reusability. 1 Introduction Software reuse has been a lofty goal for Software Engineering (SE) research and prac- tice, as a means to reduced development costs1 and improved quality. The past decade has seen considerable progress in fulfilling this goal, both with respect to research ideas and industrial practices (e.g., [1–3]). Current reuse techniques focus on the reuse of software artifacts on the basis of de- sired functionality. However, non-functional properties (qualities) of a software system are also crucial. Systems fail because of inadequate performance, security, reliability, usability, or precision, to name a few. Quality concerns, therefore, should also be front and centre in methods for software reuse. For example, in designing for the NASA Mars Spirit spacecraft, one would not adopt a “cosine” function from an arbitrary mathemat- ical library. -
Design Rules
Design rules Chapter 7 adapted by Dr. Kristina Lapin, Vilnius University design rules Designing for maximum usability – the goal of interaction design • Principles of usability – general understanding • Standards and guidelines – direction for design • Design patterns – capture and reuse design knowledge types of design rules • principles – abstract design rules – low authority – high generality Guideline s • standards – specific design rules – high authority – limited application increasinggenerality Standards • guidelines generality increasing – lower authority increasing authority increasing authority – more general application Principles to support usability Learnability the ease with which new users can begin effective interaction and achieve maximal performance Flexibility the multiplicity of ways the user and system exchange information Robustness the level of support provided the user in determining successful achievement and assessment of goal- directed behaviour •Predictability •Synthezability Learnability •Familiarity •Generalizability •Consistency Principles of learnability Predictability – determining effect of future actions based on past interaction history – operation visibility Predictability http://www.webbyawards.com/ 7 Principles of learnability Synthesizability – assessing the effect of past actions – immediate vs. eventual honesty Synthesizability 1. 2. 3. 9 Principles of learnability (ctd) Familiarity – how prior knowledge applies to new system – guessability; affordance Principles of learnability (ctd) Generalizability -
East Meets West on Flat Design
Applied Research East Meets West on Flat Design: Convergence and Divergence in Chinese and American User Interface Design By Baotong Gu, Georgia State University and Meng Yu, Georgia State University Abstract Purpose: This study is designed to examine two design approaches: skeuomorphism and flat design, in both American and Chinese contexts. Questions explored include, What underlines this new design trend in American vs. Chinese cultures? How has this new design emerged? How will it evolve in the future? What culturally, underwritten aesthetic and rhetorical principles are at play? Method: Samples of user interface (UI) design are collected from both cultures and examined to compare similarities and differences wherever possible. In-depth textual analysis is used to deconstruct particular design cases. Results: Our analysis indicates that while flat design is the new trend, skeuomorphism has its place in UI design; each design has its advantages and shortcomings; and effective design may require the integration of both approaches. Our study also reveals that designs are culturally sensitive and that each particular design is contextualized and rhetorical. Flat design’s popularity in the Chinese context has its unique rationale due to social, ideological, cultural, and linguistic reasons. Conclusion: Savvy designers combine professional taste and culturally sensitive perspectives to produce effective designs that work for their particular contexts. Keywords: user interface design, flat design, skeuomorphism, Chinese UI design, Chinese element Practitioner’s • Skeuomorphism and flat design are and allows culturally universal affor- Takeaway: not mutually exclusive. They are both dances so that it can be localized with- useful in their own right. in any particular geopolitical context. -
Flat Design: Panorama Dessa Estética Sob a Ótica Da Internet Brasileira
PONTIFÍCIA UNIVERSIDADE CATÓLICA DE SÃO PAULO PUC-SP Diogo Costa Cavalcante Abreu Flat Design: panorama dessa estética sob a ótica da internet brasileira Mestrado em Tecnologia da Inteligência e Design Digital São Paulo 2016 PONTIFÍCIA UNIVERSIDADE CATÓLICA DE SÃO PAULO PUC-SP Diogo Costa Cavalcante Abreu Flat Design: panorama dessa estética sob a ótica da internet brasileira Mestrado em Tecnologia da Inteligência e Design Digital Dissertação apresentada à Banca Examinadora da Pontifícia Universidade Católica de São Paulo, como exigência parcial para obtenção do título de Mestre em Tecnologia da Inteligência e Design Digital, sob a orientação da Profa. Dra. Pollyana Ferrari. São Paulo 2016 BANCA EXAMINADORA ___________________________________________ ___________________________________________ ___________________________________________ AGRADECIMENTOS Ao esforço de muitos para o resultado de todos. Meus pais, por sua benevolência em prover e incentivar esta conquista. A esposa, por orientar e tolerar tantas horas e dias sem a minha companhia. A minha orientadora, pelos infinitos insights e todas as transformações que este trabalho passou até chegar nesse nível de lapidação. E a mim, por acreditar e apostar todas as minhas fichas no projeto de vida que tracei. A todos os envolvidos, em especial, meu pai Francisco Carlos, minha mãe Leonice; meus irmãos Igor, Thiago e Glória; minha esposa Patrícia, e minha orientadora Pollyana. Sim! Nós conseguimos! É isso aí! Diogo Abreu RESUMO O flat design é a maior tendência no design gráfico do começo deste século, mas seus conceitos e características ainda não estão completamente consolidados. Pensando nisso, buscamos traçar um panorama sobre essa estética segundo a percepção dos principais websites na internet brasileira. Para tal, utilizamos como base de dados os maiores sites com conteúdo majoritariamente voltado para o design gráfico e as ferramentas de busca do Google e Youtube. -
Usability Basics for Software Developers Usability Engineering
focususability engineering Usability Basics for Software Developers Xavier Ferré and Natalia Juristo, Universidad Politécnica de Madrid Helmut Windl, Siemens AG, Germany Larry Constantine, Constantine & Lockwood n recent years, software system usability has made some interesting ad- vances, with more and more organizations starting to take usability seri- ously.1 Unfortunately, the average developer has not adopted these new I concepts, so the usability level of software products has not improved. Contrary to what some might think, us- Usability engineering defines the target us- This tutorial ability is not just the appearance of the user ability level in advance and ensures that the examines the interface (UI). Usability relates to how the software developed reaches that level. The system interacts with the user, and it includes term was coined to reflect the engineering ap- relationship five basic attributes: learnability, efficiency, proach some usability specialists take.3 It is between usability user retention over time, error rate, and sat- “a process through which usability character- and the user isfaction. Here, we present the general us- istics are specified, quantitatively and early in interface and ability process for building a system with the the development process, and measured desired level of usability. This process, which throughout the process.”4 Usability is an is- discusses how most usability practitioners apply with slight sue we can approach from multiple view- the usability variation, is structured around a design- points, which is why many different disci- process follows a evaluate-redesign cycle. Practitioners initiate plines, such as psychology, computer science, design-evaluate- the process by analyzing the targeted users and sociology, are trying to tackle it. -
USABILITY of PROCESSES in ENGINEERING DESIGN Becerril, Lucia; Stahlmann, Jan-Timo; Beck, Jesco; Lindemann, Udo Technical University of Munich, Germany
21ST INTERNATIONAL CONFERENCE ON ENGINEERING DESIGN, ICED17 21-25 AUGUST 2017, THE UNIVERSITY OF BRITISH COLUMBIA, VANCOUVER, CANADA USABILITY OF PROCESSES IN ENGINEERING DESIGN Becerril, Lucia; Stahlmann, Jan-Timo; Beck, Jesco; Lindemann, Udo Technical University of Munich, Germany Abstract Processes in Engineering Design are generally optimized towards efficiency, quality, costs, risks, etc., however an analysis that includes requirements from the process users' view is missing. Within the last years, the concept of usability has being introduced to examine business processes. This is a promising approach for Engineering Design, by involving process "users" (designers, engineers, software developers, project managers, etc.) in the process planning phase, several issues such as consistency flaws or counter-intuitive information flow can be identified beforehand. This paper aims to explore the transferability of usability concepts and evaluation methods to processes in the field of Engineering Design. The goal of this paper is to set a basis for further studies with regard on how to plan and design processes that interact efficiently, effectively and satisfactorily with the people involved. For this purpose ten process usability attributes are consolidated from the overlap between usability attributes (of products and systems) and process system properties. Moreover, five usability evaluation methods are examined on their applicability for evaluating design processes. Keywords: Design management, Design process, User centred design Contact: Lucia Becerril Technical University of Munich Chair of Product Development Germany [email protected] Please cite this paper as: Surnames, Initials: Title of paper. In: Proceedings of the 21st International Conference on Engineering Design (ICED17), Vol. 2: Design Processes | Design Organisation and Management, Vancouver, Canada, 21.-25.08.2017. -
Quality Attributes and Design Tactics
Quality Attribute Scenarios and Tactics Chapters 5-11 in Text Some material in these slides is adapted from Software Architecture in Practice, 3rd edition by Bass, Clements and Kazman. J. Scott Hawker/R. Kuehl p. 1 R I T Software Engineering Quality Attributes – Master List • Operational categories • Developmental categories – Availability – Modifiability – Interoperability – Variability – Reliability – Supportability – Usability – Testability – Performance – Maintainability – Deployability – Portability – Scalability – Localizability – Monitorability – Development distributability – Mobility – Buildability – Compatibility – Security – Safety J. Scott Hawker/R. Kuehl p. 2 R I T Software Engineering Achieving Quality Attributes – Design Tactics A system design is a collection of design decisions Some respond to quality attributes, some to achieving functionality A tactic is a design decision to achieve a QA response Tactics are a building block of architecture patterns – more primitive/granular, proven design technique Tactics to Control Stimulus Response Response J. Scott Hawker/R. Kuehl p. 3 R I T Software Engineering Categories of Design Decisions Allocation of responsibilities – system functions to modules Coordination model – module interaction Data model – operations, properties, organization Resource management – use of shared resources Architecture element mapping – logical to physical entities; i.e., threads, processes, processors Binding time decisions – variation of life cycle point of module “connection” Technology choices J. Scott Hawker/R. Kuehl p. 4 R I T Software Engineering Design Checklists Design considerations for each QA organized by design decision category For example, allocation of system responsibilities for performance: What responsibilities will involve heavy loading or time critical response? What are the processing requirements, will there be bottlenecks? How will threads of control be handled across process and processor boundaries? What are the responsibilities for managing shared resources? J. -
Tren Flat Design Dalam User Interface Sistem Operasi Komputer Dan Smartphone
TEROB VOLUME I NOMOR 1 OKTOBER 2016 TREN FLAT DESIGN DALAM USER INTERFACE SISTEM OPERASI KOMPUTER DAN SMARTPHONE Deka Pratama Satya Alam Abstrak Tren Flat Design Dalam User Interface Sistem Operasi.User Interface (dalam KBBI disebut Antarmuka Pengguna) merupakan elemen penting yang “menjembatani” antara sistem operasi dengan pengguna sehingga suatu perangkat dapat berfungsi dan berguna secara mak- simal. Bahasa Desain Komunikasi Visual sangat berperan penting sebagai “struktur utama” dan “pondasi” jembatan sehingga informasi yang hendak ditransformasikan dari sistem operasi disampaikan dengan baik ke pengguna. Dalam tiga tahun terakhir, perusahan komputasi terbe- sar seperti Apple, Google dan Microsoft memiliki tren flat design untuk diaplikasikan ke dalam user interface mereka. Flat design jauh berbeda dengan dengan tren desain user interface sebe- lumnya karena gaya desain ini membentuk kesan bersih, minimalis, sederhana, dengan mem- buang segala bentuk efek bayangan, gradasi, tekstur dan efek desain rumit lainnya. Secara tak langsung maupun langsung, tren gaya desain user interface ketiga rasaksa komputasi tersebut mempengaruhi penerapan desain karya dan produk secara global. Kata kunci : tren, flat design, user interface, desain komunikasi visual. Abstract Flat Design Trend in User Interface of Operating Systems. User Interface is an im- portant element that “bridge” between operating system with user so that a device can fully worked and useful. The language of Visual Communication Design plays an important role as “the main bridge structure” and foundation so the information is about to be transformed from the operating system delivered well to the user. In the past three years, the largest computer companies such as Apple, Google and Microsoft have a flat design trend to be applied to the user interface. -
Research on the Evolution of New Media Interface Design Style
2021 4th International Workshop on Advances in Social Sciences (IWASS 2021) Research on the Evolution of New Media Interface Design Style Yulong Li College of Art and Design, Lanzhou Jiaotong University, Lanzhou, Gansu, 730070, China Keywords: New media interface, Design style, Evolution method Abstract: In the context of the emergence of new media and digital technologies, different types of mobile apps emerge in endlessly and change rapidly. User experiencers are no longer satisfied with a single function requirement and pay more attention to interactive experience. Therefore, function and beauty have become the duality of mobile apps. Claim. Illustration plays an important role in visually conveying intentions. It has an irreplaceable advantage and influence in the APP interface with its graphical symbolism, touching emotional expression and colorful design styles. It has become the most common mainstream design element of mobile apps today, and the APP interface illustration design is showing its brilliance in the field of art design with a strong posture. 1. Introduction In the era when the Internet is in full swing, the basic needs of Internet users for APP no longer stay in its use function, and their attention gradually turns to emotional interaction experience. In order to meet the emotional needs of users and increase their competitive strength, designers continue to use their unique visual advantages in APP interface design. At present, there is very little research on APP interface illustration design, and it is still incomplete to do systematic and theoretical sorting and research on APP interface illustration design. Illustration art has a long history and outstanding achievements in our country. -
Application of User-Centered Design for a Student Case Management System
IT 11 057 Examensarbete 15 hp August 2011 Application of User-Centered Design for a Student Case Management System Vincent Kahl Institutionen för informationsteknologi Department of Information Technology ! Abstract Application of User-Centered Design for a Student Case Management System Vincent Kahl Teknisk- naturvetenskaplig fakultet UTH-enheten The student office and student counselors of Uppsala University’s IT Department need a new application for organizing and coordinating Besöksadress: student cases. The aim of this thesis is to define a specification for a Ångströmlaboratoriet Lägerhyddsvägen 1 new system. A user-centered design (UCD) approach is taken to Hus 4, Plan 0 ensure that the new application will increase productivity, is usable, and is accepted by the people that will work with it. The employed Postadress: UCD process is a custom adaption of the ISO 9241-210 standard’s Box 536 751 21 Uppsala UCD process proposal. Following the activity cycle of the ISO standard for user-centered design, this specification will understand and Telefon: specify the context of use, specify the user and organizational 018 – 471 30 03 requirements, and produce design solutions that are evaluated against Telefax: the requirements. 018 – 471 30 00 Hemsida: http://www.teknat.uu.se/student Handledare: Lars Oestreicher Ämnesgranskare: Lars Oestreicher Examinator: Anders Jansson IT 11 057 Tryckt av: Reprocentralen ITC ! Table of Contents 1! Introduction ........................................................................................................ -
An Analytics Platform for Everyone: Flexibility, Scalability, Usability
An Analytics Platform for Everyone: Flexibility, Scalability, Usability ALLIANCE Comprehensive analytics and reporting capabilities of WebFOCUS from Information Builders, running on the robust and scalable Teradata® Database redefines self- Information Builders and Teradata service analytics by helping organizations use BI more The Need strategically across the enterprise. BI and analytics are needed more than ever to help The value of BI is best measured by how widely it can organizations succeed and thrive in ever more competi- impact decision making across the enterprise and beyond. tive landscapes. This means extending access to BI and WebFOCUS on Teradata Database answers this need, analytics throughout the enterprise. delivering rich, consumable, interactive information to the widest range of employees, managers, analysts, The Solution partners, and customers. All of this can be done in real- WebFOCUS by Information Builders, running on time, while importing data from a spectrum of disparate Teradata ® Database, provides the industry-leading sources—structured and unstructured data, and present- BI and analytics platform. WebFOCUS dashboards, ing results in award-winning user-friendly dashboards and scorecards, and other features provide self-service, other rich formats. real-time solutions to maximize the benefits of BI and analytics across the organization. The Challenge of Pulling Insights The Benefits from Data • Comprehensive solution serves as a complete BI and analytics platform. Business intelligence has long been mission critical, yet many organizations, bursting with data, are frustrated by • Real-time analytics. the challenges of integrating disparate data sources to • Ease of use and award-winning UI answer the need harness the information generated by every customer, for self-serve BI and analytics.