scholarly journals Rapid Requirements Elicitation of Enterprise Applications Based on Executable Mockups

2021 ◽  
Vol 11 (16) ◽  
pp. 7684
Author(s):  
Milorad Filipović ◽  
Željko Vuković ◽  
Igor Dejanović ◽  
Gordana Milosavljević

Software development begins with the requirements. Misunderstandings with customers in this early phase of development result in wasted development time. This work investigates the possibility of using executable UI mockups in the initial phases of functional requirements elicitation during the development of business applications. Although there has been a lot of research in the field in recent years, we find that there is still a need to improve model-driven tool design in order to enable customer participation from the initial phases of requirement specifications based on working prototypes. These prototypes can directly be reused in the rest of the development process. To meet the goal, we have been developing an open-source solution called Kroki that enables rapid collaborative development. We conducted a series of 10 joint user sessions with domain experts from different domains and backgrounds, resulting in the prototype specifications ranging from 7 to 20 screen mockups accompanied with domain models, developed in two-hour time frames. In this paper, we present our tool design that contributes to rapid joint development, and the results from the user sessions.

Author(s):  
Siamak Farshidi ◽  
Slinger Jansen ◽  
Sven Fortuin

AbstractModel-driven development platforms shift the focus of software development activity from coding to modeling for enterprises. A significant number of such platforms are available in the market. Selecting the best fitting platform is challenging, as domain experts are not typically model-driven deployment platform experts and have limited time for acquiring the needed knowledge. We model the problem as a multi-criteria decision-making problem and capture knowledge systematically about the features and qualities of 30 alternative platforms. Through four industry case studies, we confirm that the model supports decision-makers with the selection problem by reducing the time and cost of the decision-making process and by providing a richer list of options than the enterprises considered initially. We show that having decision knowledge readily available supports decision-makers in making more rational, efficient, and effective decisions. The study’s theoretical contribution is the observation that the decision framework provides a reliable approach for creating decision models in software production.


2010 ◽  
Vol 29 (4) ◽  
pp. 171 ◽  
Author(s):  
Alessio Malizia ◽  
Paolo Bottoni ◽  
S. Levialdi

The design and development of a digital library involves different stakeholders, such as: information architects, librarians, and domain experts, who need to agree on a common language to describe, discuss, and negotiate the services the library has to offer. To this end, high-level, language-neutral models have to be devised. Metamodeling techniques favor the definition of domainspecific visual languages through which stakeholders can share their views and directly manipulate representations of the domain entities. This paper describes CRADLE (Cooperative-Relational Approach to Digital Library Environments), a metamodel-based framework and visual language for the definition of notions and services related to the development of digital libraries. A collection of tools allows the automatic generation of several services, defined with the CRADLE visual language, and of the graphical user interfaces providing access to them for the final user. The effectiveness of the approach is illustrated by presenting digital libraries generated with CRADLE, while the CRADLE environment has been evaluated by using the cognitive dimensions framework.


Author(s):  
Stefano Marrone ◽  
Nicola Mazzocca ◽  
Roberto Nardone ◽  
Valeria Vittorini

Critical computer-based systems have an increasing complexity due to the number of components, to their heterogeneity, and to the relationships among them. Such systems must meet strict non-functional requirements and should be able to cope with competitive market needs. The adoption of formal methods is often advocated in order to provide formal proof, but their application does not scale with the growing size of systems. The aim of this chapter is to introduce a modelling and analysis methodology that allows the combination of three proven research trends in formal modelling of large systems: formal model generation (by means of model-driven techniques), multiformalism, and compositional approaches. In this chapter there is also a discussion about enabling techniques. The proposed approach has been applied to the performability modelling and evaluation of flexible manufacturing systems.


Author(s):  
Sven Feja ◽  
Sören Witt ◽  
Andreas Speck

Business process models (BPM) are widely used for specification of software systems, as the basis for model driven software development. Hence, it is crucial to ensure that these BPMs fulfill the requirements they have to comply with. These requirements may originate from various domains. Many may be considered non-functional requirements. They are affecting privacy, security, as well as compliance or economic aspects. In order to avoid error-prone manual checking, automated checking techniques should be applied wherever possible. This requires expressing requirements in a formal manner. The common textual representations for such formal requirements are not well accepted in the modeling domain, since they are settled on a lower level of abstraction, compared to BPMs. In this chapter, the authors present the Business Application Modeler (BAM), which integrates formal requirement specification and automated checking with process modeling. On the one hand BAM supports different notations for process modeling. On the other hand a graphical notation, called G-CTL, for the formal specification of requirements is provided. G-CTL is based on temporal logic, and statements are expressed on the level of abstraction of the graphical process models. Furthermore BAM provides the ability to define selective views on process models. This allows complex domain specific annotations of processes as well as the assignment of responsibilities regarding functional domains. Moreover, BAM integrates into common requirements engineering processes.


Author(s):  
Antonio Bucchiarone ◽  
Davide Di Ruscio ◽  
Henry Muccini ◽  
Patrizio Pelliccione

When engineering complex and distributed software and hardware systems (increasingly used in many sectors, such as manufacturing, aerospace, transportation, communication, energy, and health-care), quality has become a big issue, since failures can have economic consequences and can also endanger human life. Model-based specifications of component-based systems permit to explicitly model the structure and behaviour of components and their integration. In particular Software Architectures (SA) have been advocated as an effective means to produce quality systems. In this chapter by combining different technologies and tools for analysis and development, we propose an architecture-centric model-driven approach to validate required properties and to generate the system code. Functional requirements are elicited and used for identifying expected properties the architecture shall express. The architectural compliance to the properties is formally demonstrated, and the produced architectural model is used to automatically generate Java code. Suitable transformations assure that the code is conforming to both structural and behavioural SA constraints. This chapter describes the process and discusses how some existing tools and languages can be exploited to support the approach.


Author(s):  
Brahim Hamid ◽  
Yulin (Huaxi) Zhang ◽  
Jacob Geisel ◽  
David Gonzalez

The conception and design of Resource Constrained Embedded Systems (RCES) is an inherently complex endeavor. Non-functional requirements from security and dependability are exacerbate this complexity. Model-Driven Engineering (MDE) is a promising approach for the design of trusted systems, as it bridges the gap between design issues and implementation concerns. The purpose of process models is to document and communicate processes, as well as reuse them. Thus, processes can be better taught and executed. However, most useful metamodels are activity-oriented, and the required concepts of safety lifecycle, such as validation, cannot be easily modeled. In this paper, the authors propose a safety-oriented process metamodel that extends exiting framework to support all safety control requirements. A new safety lifecycle development processes technique has been built to ease its use in a building process of system/ software applications with safety support. As a proof of concept, the feasibility of the approach has been evaluated with an example. The example is an engineering process for building industry control systems with safety requirements for software and hardware resources. A prototype implementation of the approach is provided and applied to the example of industry control systems in the railway domain.


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