Stavros T. Ponis

• PhD - Post Doc
• Professor at National Technical University of Athens

The pursuit of ameliorating humanitarian logistics (HL) through the integration of cutting-edge technologies has received significant attention in recent years. AIRDROP is a visionary platform conceived to offer a cohesive disaster management approach spanning from preparedness to recovery of a wide range of natural and human-made disasters. AIRDRO...

Nowadays, the adverse impacts of climate change are visible on a global scale. Especially natural disasters, such as wildfires, tend to be exacerbated by unusual climatic conditions. The ever-increasing rate of unpredictable natural disasters which endanger both the environment and human lives, in addition to the obsolesce, inadequacy and inefficie...

Lack of available data acts as a serious bottleneck in performing humanitarian logistics operations. This paper proposes a drone-enabled integrated humanitarian logistics platform, called "AIRDROP", for holistic well-informed disaster management, aiming to assist first responders and operational decision-makers, before, during and after the strike...

Environmental monitoring and management have received remarkable attention in recent years, since climate change constitutes a ubiquitous issue that needs to be tackled, as soon as possible. Especially, marine plastic pollution has been widely described as tremendously threatening, considering it has deleterious impacts on the planetary boundaries...

Food waste is a major global concern and engenders profound ramifications of environmental and socioeconomic dimensions, while on the other hand, food insecurity affects a significant part of the global population. The coexistence of food waste and food insecurity in urban environments is a paradox of modern cities. The research project presented i...

Food waste is a major global issue and responsible for significant environmental and socioeconomic repercussions, while millions of people worldwide, are affected by food insecurity. Food insecurity occurs even in large cities with high economic growth, where at the same time there is a large number of catering businesses and restaurants, which due...

Marine pollution constitutes an environmental and socioeconomic threat of paramount importance, as millions of tons of debris accumulate in marine ecosystems every year, resulting in the decrease of various touristic activities. The research presented in this paper directs its attention to the mitigation of aesthetic and other consequences of this...

The adoption of drones and other emerging digital technologies (DTs) has proven essential in revolutionizing humanitarian logistics as standalone solutions. However, the interoperability of humanitarian drones with other DTs has not yet been explored. In this study, we performed a systematic literature review to attempt to fill this gap by evaluati...

The purpose of this study is two-fold. Firstly, it aims to investigate the available papers on the effect of gamification elements to explain behavioural changes through a Systematic Literature Review (SLR). Secondly, based on the SLR, it proposes a four-step SEM (Structural Equation Model)-based approach that can be used to validate the effects of...

Due to continuously changing conditions (Covid-19 pandemic, energy crisis) the companies search for ways to change their business model and structure in order to remain competitive by utilizing lean manufacturing philosophy and industry 4.0 technologies. The digitalization process is inextricably linked with the introduction of industry 4.0 technol...

Background: This paper aims to improve the overall performance of manual warehouse Order Picking (OP) processes by proposing an innovative method for designing a picking area layout, and introducing a storage assignment strategy with respect to ergonomics and workers’ physical fatigue. Methods: The proposed method categorizes the available picking...

The aim of this paper is to showcase the work of the TRACKPLAST research project, first conceived in 2017 and submitted as a funding application in 2018, resulting in the development of the TRACKPLAST smart bottle and its successful tracking during its land journey, which to our knowledge constitutes the first non-GPS attempt to track plastic waste...

Marine littering is a severe global issue, which is getting worse as millions of tonnes of waste end up in the oceans every year leading to a series of environmental, economic, health and aesthetic problems with serious implications. The research presented in this paper sets its efforts in tackling this problem through the determination of streams...

Supply chain and logistics management for spare parts is of key importance in the maritime industry, in order to ensure high availability and reliability of assets, while keeping operating costs in acceptable levels. Supply chain and logistics operations for spare parts incorporate high complexity, uncertainty and costs, due to special characterist...

Even though the topic of Industry 4.0 in the last decade has attracted significant and multifarious attention from academics and practitioners, a structured and systematic review of Industry 4.0 in the context of contemporary logistics is currently lacking. This study attempted to address this shortcoming by performing a systematic review of the av...

After the first lift of the COVID-19 enforced lockdown, with consumers being reluctant to shop in physical stores and online deliveries taking double the time to arrive, in-store pickup –commonly referred to as “Click & Collect”– has become a pragmatic alternative. Still, most retailers require their in-store pickup customers to wait in lengthy lin...

Purpose: The main purpose of this paper is to propose a methodological approach and a decision support tool, based on prescriptive analytics, to enable bulk ordering of spare parts for shipping companies operating fleets of vessels. The developed tool utilises machine learning and operations research algorithms, to forecast and optimize bulk spare...

Additive Manufacturing (AM) is, undoubtedly, one of the most promising and potentially disruptive technologies of the Industry 4.0 era, able to transform the traditional manufacturing paradigm and fuel the generally accepted and necessary shift towards the conceptualisation, design and adoption of sustainable and circular business models. The objec...

The purpose of this study is to explore the emerging issue of Digital Transformation (DT) in the Greek fashion industry, which according to literature, is highly fragmented, populated by a large number of digitally immature SMEs and financially strained, even before the outburst of the COVID-19 crisis. This paper aims to explore the current level o...

In the last decade, the Industry 4.0 concept has introduced automation and cyber-physical systems as the core elements of future logistics, supported by an array of technologies, such as augmented reality (AR) providing the necessary support for the digital transformation of manufacturing and logistics and the smartification and digital refinement...

Supply Chain Financial Performance has drawn much attention due to the recession created by the global financial crisis of 2008, which caused severe financial problems to companies worldwide and forced them to find new forms of financing their business plans to avoid bankruptcy. The main objective of this paper is to propose a new model for measuri...

The increasing demand and recalcitrant nature of plastic materials combined with waste mismanagement have been responsible for the progressive accumulation of plastic in marine ecosystems and subsequent multifaceted deleterious environmental and socioeconomic effects. The situation is even more dire in the case of Beach Marine Litter, since over 80...

The omnipresence of plastic particles in marine ecosystems, a.k.a. Marine Plastic Pollution (MPP) constitutes a major environmental and socioeconomic threat. In the last decade, the realization of the severity of the MPP problem by international organizations, governments and policy makers worldwide, has triggered the publication of a large number...

During the last decade, digitalization has borne tremendous changes on the way we live and do business. Industry 4.0, the new industrial revolution, is merging the physical, digital and virtual worlds through emerging technologies that collide with each other and create a distinctive paradigm shift. Even though the topic of Industry 4.0, has attrac...

Industry 4.0, since the first introduction of the term back in 2011, has gained significant traction and nowadays it is-almost unanimously-considered as the main technology driver, leading supply chain in the new era of faster, flexible and more intelligent processes and reduced operational, planning and management costs. One of the most prominent...

Forecasting the demand of network of retail sales is a rather challenging task, especially nowadays where integration of online and physical store orders creates an abundance of data that has to be efficiently stored, analyzed, understood and finally, become ready to be acted upon in a very short time frame. The challenge becomes even bigger for ad...

The proliferation of the production of plastics when coupled with the high rates of landfilling and incineration of plastic waste, has an extremely negative impact on the environment and casts a long shadow over manufacturing companies, failing to manage efficiently their End-of-Life plastics and capture the financial and social benefits of a more...

In the Logistics 4.0 era, the demand for anticipating asset behaviour and make decisions in an almost real time fashion has led to the evolution of DES into an integral part of what is currently known as the Digital Twins (DTs). A Discrete Event Simulation software is assuming the role of the cyber twin, executing simulation software queries on rea...

One of the most prominent technologies in the Industry 4.0’s arsenal, when it comes to manufacturing and logistics operations, is Augmented Reality (AR). AR takes the capabilities of computer-generated display, sound, text and effects to enhance the user’s real-world experience and support workers in their every-day tasks such as assembly, order pi...

The emergence of B2C e-commerce in the last decade is currently transforming the way warehouses fulfill online orders with just a few line items, broad and variable product assortments, varying workloads and extremely short delivery schedules. In this new business reality, order picking stands out as the most labor intensive, strenuous, time constr...

Pollution in the marine environment is a global problem with severe consequences on marine and terrestrial ecosystems and to human health. It is estimated that every year, eight million tonnes of debris find their way into the world’s oceans,mostly consisted of valuable materials which by following land-based routes are finally finding their way in...

This paper presents the results of a study carried out in the call centre of a ticket-selling company. The general purpose of this project was the improvement of the service quality in an environment of highly variable demand. Simulation was initially applied to analyze the present operation of the call centre and extract conclusions concerning its...

Following the recession created by the recent global financial crisis, which caused disruptions in the funding markets and in the financial flow level of supply chains, companies were forced to reduce their working capital targets, as well as find new forms of financing their business plans. This inevitably caused a substantial shock in the supply...

Following the recession created by the recent global financial crisis, which caused disruptions in the funding markets and in the financial flow level of supply chains, companies were forced to reduce their working capital targets, as well as find new forms of financing their business plans. This inevitably caused a substantial shock in the supply...

Following the recession created by the recent global financial crisis, which caused disruptions in the funding markets and in the financial flow level of supply chains, companies were forced to reduce their working capital targets, as well as find new forms of financing their business plans. This inevitably caused a substantial shock in the supply...

Following the recession created by the recent global financial crisis, which caused disruptions in the funding markets and in the financial flow level of supply chains, companies were forced to reduce their working capital targets, as well as find new forms of financing their business plans. This inevitably caused a substantial shock in the supply...

Social business intelligence (SBI) is a rather novel discipline, emerged in the academic and business literature as a result of the convergence of two distinct research domains: business intelligence (BI) and social media. Traditional BI scientists and practitioners, after an inevitable initial shock, are currently discovering and acknowledge the p...

In today’s challenging sector of logistics and transportation, companies, seek to adapt software which leads to efficient solutions at an acceptable cost. Conventional routing software is developed to solve vehicle routing problem and help managers and planners in decision making. Simultaneously, specific constraints and different VRP (Vehicle Rout...

In today’s challenging sector of logistics and transportation, companies, seek to adapt software which leads to efficient solutions at an acceptable cost. Conventional routing software is developed to solve vehicle routing problem and help managers and planners in decision making. Simultaneously, specific constraints and different VRP (Vehicle Rout...

City Logistics is an emerging field of research, being related to efficient management and movement of goods from origins to destinations, in urban areas. City Logistics processes, consider the cost of delivery, the efficiency of the transportation operations, the environmental impact, the traffic congestion and energy consumption. City Logistics’...

Claims are an unavoidable burden for every construction project. They stem from risks that have unfortunately been realized in a project and how they will be pursued is up to company strategy, operational particularities and managers’ skills and experience. Claims, in general, have an adverse effect on a project's supply chain by compromising actor...

Purpose The paper aims to adopt a strategic view of organizational survival and argue that preparedness, responsiveness, adaptability and learning abilities constitute organizational drivers of resilience and provide a new direction on crisis management. Design/methodology/approach As a conceptual and literature exploration, the methodological f...

Financial supply chain management (FSCM) is a management discipline at its infancy, which has emerged in Supply Chain Management (SCM) literature and gained further acknowledgement and interest by researchers mostly due to the global economic crisis and financial turmoil the crisis entailed. Nevertheless, FSCM indicates a justified switch of resear...

The challenge of reducing Food Waste (FW) is a complex social, economic and environmental problem. Fortunately, the realization of FWs huge negative impact on society has triggered –in the last five years- a positive turn of focus towards the development of a common understanding of the phenomenon, the identification of its root causes and the init...

Supply Chains are often required to absorb unexpected pressure, turbulent changes in demand and disruptions across their structural components. In this paper, the authors acknowledge both the inter-organizational and collaborative nature of supply chains and explore how established logistics structures respond to conditions of crises as a result of...

Recent market trends, such as outsourcing and globalization, have made supply chains more exposed to disruptive external incidents, such as catastrophic man made events and natural disasters. Globalization favors the expansion of the supply chain across national borders; a fact that can transform even much smaller incidents to organizational crises...

Recently, the strategic approaches of public sector organizations are reevaluated in order to achieve modern effective operations and provide better services to their customers (citizens and businesses). Business Process Management (BPM) solutions are recognized as essential tools for public services transformation, as they enable public organizati...

The transient nature of construction supply chains does not allow for long-term cooperative and trust building relationships between contractors and their suppliers and customers. The construction industry is characterized by very high diversity but in order to sustain improvement it needs to improve relationships between its supply chain members....

Contemporary supply chains are undoubtedly very complex and involve many autonomous organisations with a variety of business processes and a series of decisions and risks which affect the variability of demand. The energy supply chain is no different, even though it presents many dissimilarities to manufacturing supply chains. In this paper, the me...

Supply chain risk management (SCRM) is a relatively new scientific discipline aiming to support management in its everyday struggle against the inherent uncertainty of supply chain operations propagated mostly by demand and supply fluctuations, in terms of yields, capacity, costs and lead times. This paper focuses on a literature review of availabl...

Recent market trends, such as outsourcing and globalization, have made supply chains more exposed to disruptive external incidents, such as catastrophic man made events and natural disasters. Globalization favors the expansion of the supply chain across national borders; a fact that can transform even much smaller incidents to organizational crises...

In contemporary supply chains, many autonomous enterprises are collaborating, establishing inter-organizational business processes. The dynamic characteristics of some business processes like demand management, have increased the complexity and difficulties in achieving the expected performance. The importance of business processes in supply chains...

This paper highlights the opportunities and challenges of applying Discrete Event Simulation (DES) to support capacity planning of a network of outpatient facilities. Despite an abundance of studies using simulation techniques to examine the operation and performance of outpatient clinics, the problem of capacity allocation and planning of medical...

Contemporary supply chains have been expanded significantly beyond the boundaries of the enterprise, and they involve a broad range of organizations. The synchronization of demand with supply is getting more complex as the members of the supply chain increase. In addition, the variability of demand caused by economic, social or business factors mak...

In this paper, the conception, design and initial experimental development of an innovative solar-thermal application with the capacity to harness the heat of domestic Solar Water Heaters (SWHs) and transform it into low-cost and clean electric power, is presented. In the heart of the application, lies a novel -high efficiency- compressing device a...

The research presented in this paper attempts an initial evaluation of Twitter as an instrument for emergency response in the context of a recent crisis event. The case of the 2013 disaster, when typhoon Haiyan hit Philippines is examined by analyzing nine consecutive days of Twitter messages and comparing them to the actual events. The results ind...

Recently, the strategic approaches of public sector organizations are reevaluated in order to achieve modern effective operations and provide better services to their customers (citizens and businesses). Business Process Management (BPM) solutions are recognized as essential tools for public services transformation, as they enable public organizati...

Increased demand variability between the discrete tiers of a supply chain is perhaps the most significant criterion for strategic supply chain decisions, for example facility location and supply chain network design, as it directly affects the efficient operation of the whole supply chain. In this paper, we describe a real-life case of pursuing rem...

Supply chain risk management (SCRM) is a relatively new scientific discipline aiming to support management in its everyday struggle against the inherent uncertainty of supply chain operations propagated mostly by demand and supply fluctuations, in terms of yields, capacity, costs and lead times. This paper focuses on a literature review of availabl...

This paper highlights the opportunities and challenges of applying Discrete Event Simulation (DES) to support capacity planning of a network of outpatient facilities. Despite an abundance of studies using simulation techniques to examine the operation and performance of outpatient clinics, the problem of capacity allocation and planning of medical...

The Job-shop Scheduling Problem (JSSP) is considered one of the most difficult NP-hard problems. Numerous studies in the past have shown that as exact methods for the problem solution are intractable, even for small problem sizes, efficient heuristic algorithms must achieve a good balance between the well-known themes of exploitation and exploratio...

In today’s business environment, supply chains involve a number of autonomous organizations. The nature of supply chain processes with inter-organizational activities, involving different enterprises, calls for their design, analysis, control and evaluation in a well-designed and structured manner. The increasing importance of business processes in...

In today’s business environment, supply chains involve a number of autonomous organizations. The nature of supply chain processes with inter-organizational activities, involving different enterprises, calls for their design, analysis, control and evaluation in a well-designed and structured manner. The increasing importance of business processes in...

Supply Chain Management (SCM) has been in the epicenter of numerous research efforts for, at least, the last two decades. One of the most prominent issues identified in literature, directly related with Supply Chain Integration and Collaboration, is information sharing between supply chain entities, especially for planning and monitoring purposes....

Supply Chains are often required to absorb unexpected pressure, turbulent changes in demand and disruptions across their components. In this paper, we acknowledge both the inter‐organizational and collaborative nature of supply chains as well as their knowledge‐driven processes and aim at exploring how established logistics structures respond to...

In this paper, we attempt to explore the penetration of Web 2.0 technologies amongst Greek students, determine their level of usage and explore the students' opinions and perceptions regarding their usefulness for learning and educational purposes. In that context, we present the initial results of a survey–based cross–institutional study, conducte...

The development of decision support systems facilitating competitive intelligence (CI) for SMEs is a rather under-explored research area. That is exactly where this paper sets its vision and objectives by aiming to provide the academic and business community with an innovative concept, a proposed architecture and a sample walkthrough scenario capab...

In the complex environment of late modernity, organizations and their supply chains, large and small, are challenged by crises more than ever. Yet, the role of effective knowledge retrieval and sharing in the process of crisis prevention, management and survival has been relatively underexplored. In this paper, it is argued that organizational cris...

The objective of this paper is to conceptualize Supply Chain Resilience (SCRes) and identify which supply chain capabilities can support the containment of disruptions and how these capabilities affect SCRes. Through a systematic and structured review of literature, this paper provides insights into the conceptualization and research methodological...

The fragmented nature and the large number of SMEs of the clothing and textile industry increases the importance of innovative e-collaboration which combined with other new manufacturing and supply chain paradigms can potentially provide some of the answers to strengthen or re-gain global competitiveness, especially in the turmoil of the current ec...

In the crisis-prone and complex contemporary business environment, modern organisations and their supply chains, large and small, are challenged by crises more than ever. Knowledge management has been acknowledged as an important discipline able to support the management of complexity in times of crisis. However, the role of effective knowledge ret...

As Corporate Reputation (CR) evolves into an important asset for organizations, crises, disasters and other supply chain disruptive events, stand as threats to the preservation of the reputation capital since they usually result to negative projections to their audiences and to problematic evaluations by their stakeholders. Viewing CR as the accumu...

The banking sector is well known for using large, sometimes monolithic, legacy systems. Now, banks find themselves having to catch up with rapid advancements in software development that call for new service-oriented computing paradigms. Unfortunately, this task is nontrivial and often requires huge projects that are costly, time consuming, and ris...

Available-to-promise (ATP) procedures in today’s enterprise information systems usually involve a simple search for available or planned inventory of a particular product in a particular depot at a particular time. In this article, ATP is viewed as a dynamic and more complex problem of deciding whether to accept a customer order request given the a...

The Agile Unified Process (AUP) is a recent public domain customization of the Rational Unified Process. The authors applied AUP in a software development project in the banking sector exploiting service-oriented architecture (SOA) functionality and user interface integration of client-server applications. They describe the project in detail and pr...

Virtual enterprises (VEs) are business models characterised by the aggregation of co-operating firms that share a common goal such as a business opportunity or a project. In these structures, knowledge can be seen as a primary asset. There is a subdivision of cognitive tasks among specialised companies, which exchange knowledge much before they eve...

Information Technology (IT) has proven to be a critical enabler for the formation and operation of Virtual Enterprises (VEs) and a provider of unique business enabling capabilities. Nevertheless, IT integration with VE business model particularities is never a trivial task, thus calling for a special approach to discover and mitigate risks and appl...

Relevant literature suggests that the field of knowledge management (KM) at the service of contemporary organizations is characterized by a plethora of diverse frameworks. However, none of these frameworks has achieved such a wide acceptance so as to be conceived as a standard. In fact, practice proves that each research or consultant group follows...

The rhetoric of outsourcing as well as the importance of organizational knowledge have both been popular issues thoroughly examined in contemporary business literature. Still, combinatory studies on the effects of outsourcing, positive or negative, on the creation and maintenance of organizational knowledge and the related risks and consequences of...

Relevant literature suggests that the field of knowledge management (KM) at the service of contemporary organizations is characterized by a plethora of diverse frameworks. However, none of these frameworks has achieved such a wide acceptance so as to be conceived as a standard. In fact, practice proves that each research or consultant group follows...

he Virtual Enterprises (VE) approach and a holistic view the supply chain come into play in the modern globalised competitive markets. A company is as reliable as the weakest link in its chain. An unhampered product and information flow and backtracking among the parties are required. The current wave of enterprise systems is unable to satisfy the...

This paper aims to provide a combinatory approach towards addressing the advanced available-to-promise (ATP) problem, consisting of three deterministic optimisation models that operate on both sides of the Customer Order Decoupling Point. The proposed approach is based on long-term aggregate capacity reservation for periods when increased volatilit...

Nowadays, plant maintenance has gained significant recognition as a very important process, which can be transformed to a potential profit generator for the corporation. The development of a suitable maintenance concept enables the decision of specific maintenance strategies based on the existing situational factors that affect the organisation. A...

Relevant literature suggests that the field of knowledge management (KM) at the service of contemporary organizations is characterized by a plethora of diverse frameworks. However, none of these frameworks has achieved such a wide acceptance so as to be conceived as a standard. In fact, practice proves that each research or consultant group follows...