IE Repository
IE University Institutional Open Repository
Welcome to IE University Repository, an open access platform that collects, manages, and preserves the academic and research output of our university. This Repository aims to enhance the visibility and impact of our research community while fulfilling open access mandates from funding agencies and institutional policies, such as Law 17/2022 on Science, Technology, and Innovation, in addition to the National Agency for Quality Assessment and Accreditation (ANECA) for accreditations and sexenios (recognition of six-year research period).
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Secure and secret cooperation in robotic swarms
(Science, 2021-07-21) Castelló, Eduardo; Hardjono, Thomas; Pentland, Alex 'Sandy'; Dorigo, Marco; https://ror.org/02jjdwm75
The importance of swarm robotics systems in both academic research and real-world applications is steadily increasing. However, to reach widespread adoption, new models that ensure the secure cooperation of large groups of robots need to be developed. This work introduces a method to encapsulate cooperative robotic missions in an authenticated data structure known as a Merkle tree. With this method, operators can provide the “blueprint” of the swarm’s mission without disclosing its raw data. In other words, data verification can be separated from data itself. We propose a system where robots in a swarm, to cooperate toward mission completion, have to “prove” their integrity to their peers by exchanging cryptographic proofs. We show the implications of this approach for two different swarm robotics missions: foraging and maze formation. In both missions, swarm robots were able to cooperate and carry out sequential tasks without having explicit knowledge about the mission’s high-level objectives. The results presented in this work demonstrate the feasibility of using Merkle trees as a cooperation mechanism for swarm robotics systems in both simulation and real-robot experiments, which has implications for future decentralized robotics applications where security plays a crucial role.
Integrating learning styles and adaptive e-learning system: Current developments, problems and opportunities
(Elsevier, 2016-02) Truong, Huong May; European Commissions; https://ror.org/02jjdwm75
Learning styles which refer to students’ preferred ways to learn can play an important role in adaptive e-learning systems. With the knowledge of different styles, the system can offer valuable advice and instructions to students and teachers to optimise students’ learning process. Moreover, e-leaning system which allows computerised and statistical algorithms opens the opportunity to overcome drawbacks of the traditional detection method that uses mainly questionnaire. These appealing reasons have led to a growing number of researches looking into the integration of learning styles and adaptive learning system. This paper, by reviewing 51 studies, delves deeply into different parts of the integration process. It captures a variety of aspects from learning styles theories selection in e-learning environment, online learning styles predictors, automatic learning styles classification to numerous learning styles applications. The results offer insights into different developments, achievements and open problems in the field. Based on these findings, the paper also provides discussion, recommendations and guidelines for future researches.
Buyers’ Strategic Behavior in B2B Multichannel Auction Markets: When an Online Posted Price Channel Is Incorporated into a Dutch Auction System
(Institute for Operations Research and Management Sciences, 2022-11-15) Truong, Huong May; Gupta, Alok; Ketter, Wolfgang; van Heck, Eric; https://ror.org/02jjdwm75
Firms are increasingly adopting different sales channels to reach new potential buyers. Yet, extant research has mainly focused on business-to-customer (B2C) online and offline posted price channels. Business-to-business (B2B) multichannel and, especially, systems with multiple pricing mechanisms are largely underexplored. This paper investigates the strategic behaviors of B2B buyers in a unique system where an online posted price channel is incorporated into a Dutch auction market sequentially. We follow buyers’ purchasing paths and examine conditions under which B2B auction buyers will use the online posted price channel. We incorporate learning and experience and demonstrate how buyers’ behaviors evolve. We investigate an emerging group of buyers who use different price mechanisms and their surplus extraction activities. We further explore how the market flow changes when posted prices are incorporated. Our results, using an extensive data set from the world’s largest flower market, highlight the importance of quantity demand, product diversity, and experience in explaining the choice of the new posted price channel. We find a significantly higher average loss of surplus at the product level for multichannel buyers than for single channel buyers and a reduction in the number of small orders in the auction channel. Subsequently, theoretical and managerial implications for B2B multichannel markets and market design are discussed.
The Journey of Corporate Diversity in Tribal Times: Corporate Communities of Aspiration in MAPFRE
(Springer Nature, 2018-05-31) Anca, Celia de; Aragón, Salvador; https://ror.org/02jjdwm75
Understanding diversity and its connection with identity in global organizations is particularly relevant at this moment in history, often described as tribal and whose driving force takes the form of a collective mindset, as illustrated by many terms that have recently entered into currency: co-creation, co-working, co-thinking or co-financing, along with working collectively, all key elements in the new forms of economic activity.
The first step to correctly manage diversity is to understand what it means, as well as understand the different types of diversity that can be found in global organizations. This is covered in the first part of this chapter.
We then move to the relationship between diversity and identity. Understanding identities helps us to use the existing tools correctly to effectively include diversity in corporate life.
Next, we define how diversity fits in the new tribal context and how companies can use the emerging collective mindset as a driving force. The concept of collective individualism can help companies balance our desire for community with our individual needs.
Finally, we describe the case of Spanish insurance company, MAPFRE, as an illustration of how corporate communities of aspiration can become a powerful tool for companies to channel the power of diversity into innovative energy.
Fintech in Islamic finance: From collaborative finance to community-based finance
(Routledge, 2019) Anca, Celia de; https://ror.org/02jjdwm75
This chapter analyses several fundamental aspects of fintech solutions in Islamic finance. It discusses the new collaborative economy and the sociological elements behind this new form of collective economic relationships. The chapter explores collaborative fintech and new forms of technology-driven financial intermediation solutions being launched in the market between capital holders and capital seekers. It explains the opportunities and challenges for Islamic finance. The Islamic financial industry is young, highly technological and with the excess liquidity required to finance innovation. The Islamic finance industry has reacted more quickly than its conventional counterparts, in two fundamental areas; developing innovation in its own capacity and partnering with new Shari‘ah-compliant fintech ventures. Fintech offers a way whereby new technologies can help channel Islamic principles to create a new generation of financial products that can satisfy the demands of future generations. Fintech is revolutionising the financial world through automated complex reasoning mechanisms and new technologies able to make more efficient decision-making procedures.
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