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This paper aims to introduce the goal-oriented requirements extraction approach (GOREA). It is an elicitation approach that uses, specifically, healthcare business goals to derive the requirements of e-health system to be developed.

GOREA consists of two major phases: (1) modelling e-health business requirements phase and (2) modelling e-health information technology (IT) and systems requirements phase. The modelling e-health business requirements phase is divided into two main stages: (1) model e-health business strategy stage and (2) model e-health business environment stage. The modelling e-health IT and systems requirements phase illustrates the process of obtaining requirements of e-health system from the organizational goals that are determined in the previous phase. It consists of four main steps that deal with business goals of e-health system: (1) modelling e-health business process (BP) step; (2) modelling e-health business goals step; (3) analysing e-health business goals step; and (4) eliciting e-health system requirements step. A case study based on the basic operations and services in hospital emergency unit for checking patient against COVID-19 virus and taking its diagnostic testing has been set and used to examine the validity of the proposed approach by achieving the conformance of the developed system to the business goals.

The results indicate that (1) the proposed GOREA has a positive influence on the system implementation according to e-health business expectations; and (2) it can successfully fulfil the need of e-health business in order to save the citizens life by checking them against COVID-19 virus.

The proposed approach has some limitations. For example, it is only validated using one e-health business goal and thus it has to be authenticated with different e-health business goals in order to address different e-health problems.

Many e-health projects and innovations are not established based on robust system requirements engineering phase. In order to ensure the success delivery of e-health services, all characteristics of e-health systems and applications must be understood in terms of technological perspectives as well as the all system requirements.

The purpose of this paper is to investigate the impact of dividing the companies’ customers into different priority groups to be served according to their payment history and feedback on the business performance areas: service quality (SQ), business process time (BPT), business process cost (BPC) and customer satisfaction (CS).

A new numerical model to improve CS service waiting time according to their priority queue class, particularly customers in the high priority queue class will be proposed. To validate the proposed numerical model, a call centre at the selected telecommunication company is used as a case study. An empirical analysis based on data from 130 business and IT managers is used to evaluate and investigate if it has an impact on business process (BP) performance. Bivariate correlation analysis was used to test four hypotheses. The results were subjected to reliability and validity analyses.

The results show that managing customer power is positively associated with BP performance. Furthermore, the results indicate that by using the proposed numerical model, the customers’ satisfaction can be improved.

The paper has some limitations as it is only tested on one real business organizations and one BP service. Furthermore, the study was conducted only in telecommunication companies. The questionnaires were answered only by IT and business managers in Saudi Arabian telecommunication companies. Therefore, the results cannot be used as a standard and might not be directly transferrable to any sized firm and any other country. Moreover, the results may be affected by common method variance as the authors collected the data from participants by using the same survey and at the same time.

The results of this research provide important evidence for business managers and business analysts that managing customers power can enhance the business performance.

To date, there is only a few researches have been conducted in the area of separating customers into different priority groups to provide services according to their required delivery time, payment history and feedback. However, most of them have not been evaluated in the business environment. Moreover, no previous study has attempted to empirically demonstrate the relationship between creating a BP model which can manage customer power, SQ, BPT, BPC and CS.

It is very complicated to keep the business processes under control since the business processes change rapidly and thus flexibility is an important attribute which businesses should possess in order to respond to rapid changes in the business environment. The purpose of this paper is to divide the companies' customers into different priority groups to be served according to their payment history and feedback in order to increase the companies' performance and profit and save the time of customers within high priority class which may lead to increase their satisfaction.

The paper proposes a requirements engineering‐based approach for business process modelling to assist businesses maintain their performance in such an environment. The paper proposes a new numerical model to improve customer satisfaction in relation to delivery or service waiting time according to their priority class, particularly customers in the high priority class. A call centre at the selected telecommunication company is used as a case study to validate the proposed numerical model.

The customers' satisfaction in the area of the time to be served according to their priority group classes can be improved using the proposed model.

The paper has some limitations as the paper only tested the numerical model on one real business organisation and one business process service.

To date, no research has been conducted in the area of separating customers into different priority groups to provide services according to their required delivery time, payment history and feedback which will increase the company's performance and profit and provide prompt service to customers in the high priority class which in turn, will increase their satisfaction.