Computational Engineering of Historical Memories Nanetti outlines a methodology for deploying artificial intelligence and machine learning to enhance historical research. Historical events are the treasure of human experiences, the her- itage that societies have used to remain resilient and express their identities. Nanetti has created and developed an interdisciplinary methodology supported by practice-based research that serves as a pathway between historical and computer sciences to design and build computational structures that analyse how societies create narratives about historical events. This consilience pathway aims to make histor- ical memory machine-understandable. It turns history into a compu- tational discipline through an interdisciplinary blend of philological accuracy, historical scholarship, history-based media projects, and computational tools. Nanetti presents the theory behind this method- ology from a humanities perspective and discusses its practical appli- cation in user interface and experience. An essential read for historians and scholars working in the digital humanities. Dr. Andrea Nanetti is an award-winning and internationally recognised expert in Digital Humanities. He has carried out trailblazing research in Europe, the United States, China, Africa, and South-East Asia for over 30 years. Since 2013, he has been a Professor at Nanyang Technologi- cal University, Singapore. Using the history of Venice as contextualised within late medieval Afro-Eurasian trade systems, he achieved interna- tional standing within a broad research spectrum that spans from criti- cal editions of primary historical sources to computational applications and web-based media. As a result, several world’s top-level institutions, including Harvard University, Princeton University, Shanghai Jiao Tong University, Brown University, Johns Hopkins University, and Ca’ Foscari University of Venice, invited him to be a visiting fellow. “Dr. Nanetti’s research reimagines history in the golden age of AI. Computational history is not simply a stagnant past or the point of departure for an impending future but the anywhere door for other realities.” Dr. Chin-Yew Lin, Senior Principal Research Manager of the Knowledge Computing Group at Microsoft Research, Beijing, PRC. “Sitting at the intersection of history, computer science, media studies, and philosophy, Nanetti’s work justifies and maps a way forward for historians grappling with the implications of the dig- ital turn. Computational methods offer solutions to obstacles of language and culture, not just those that separate regional schol- arly traditions, but also those that separate academic scholar- ship from the public sphere. Put into practice in the Engineering Historical Memory platform, his ideas show the promise of digital approaches for expanding, rather than just streamlining, the pro- duction of historical knowledge.” Dr. Adam Kosto, Professor, Department of History, Columbia University, New York, USA. “Professor Nanetti has compiled a beautiful book demonstrating a vital step towards bringing traditional expert-intensive inquiries in historical materials and engineering tools and practices together into an integral system. This must-read book lays the groundwork for enabling machines to work with historical materials, leveraging extensive digital resources, including datasets and models in engi- neering and humanities. The book and its realization as interac- tive applications, the Engineering Historical Memory, will be the essential resource for anyone interested in designing and building engineering systems that can empower researchers in humanities and engage a broad audience in the general public. In a world with countless AI applications powering our daily life, this book show- cases how we could work together to integrate new engineering technologies and historical materials and create powerful interac- tive systems encoding human experiences in the long term.” Dr. Yao-Yi Chiang, Professor of Computer Science and Engineering, University of Minnesota. ‘“Computational Engineering of Historical Memories’ is a par- ticularly timely book – digital humanities is currently in danger of dissipating into a number of digital sub-disciplines. Andrea Nanetti introduces a suite of techniques to help understand global human history and then demonstrates how his approaches can be applied through some practice-based research. Professor Nanetti’s vision is to make historical memory machine-under- standable and, ultimately, to turn history into a computational discipline. This is nothing if not revisionist and I commend this book for its ambition.” Roger Kain FBA, Professor of Humanities, School of Advanced Study, University of London, UK. Computational Engineering of Historical Memories With a Showcase on Afro-Eurasia (ca 1100-1500 CE) Andrea Nanetti First published 2023 by Routledge 4 Park Square, Milton Park, Abingdon, Oxon OX14 4RN and by Routledge 605 Third Avenue, New York, NY 10158 Routledge is an imprint of the Taylor & Francis Group, an Informa business © 2023 Andrea Nanetti The right of Andrea Nanetti to be identified as author of this work has been asserted in accordance with sections 77 and 78 of the Copyright, Designs and Patents Act 1988. The Open Access version of this book, available at www. taylorfrancis.com, has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license. No part of this book may be reprinted or reproduced or utilised in any form or by any electronic, mechanical, or other means, now known or hereafter invented, including photocopying and recording, or in any information storage or retrieval system, without permission in writing from the publishers. Trademark notice: Product or corporate names may be trademarks or registered trademarks and are used only for identification and explanation without intent to infringe. British Library Cataloguing-in-Publication Data A catalogue record for this book is available from the British Library ISBN: 9781032316802 (hbk) ISBN: 9781032316819 (pbk) ISBN: 9781003310860 (ebk) DOI: 10.4324/9781003310860 Typeset in Times New Roman by KnowledgeWorks Global Ltd. To those scholars, media artists, software engineers, web developers, UX/UI practitioners, publishers, cultural institutions, and others who, through their collaboration with the international web-based initiative for the engineering of historical memories (EHM), contribute to the open and free access to primary historical sources and recognise it as a fundamental human right for the advancement of knowledge and peacebuilding in our glocal societies. Facesti come quei che va di notte, che porta il lume dietro e sé non giova, ma doppo sé fa le persone dotte Dantis Alagherii Comedia, Purgatorio XXII, vv. 67–69 Contents List of Figures xii List of Abbreviations xiv Foreword xv Preface xviii Acknowledgements xx 1 Computational Engineering of Historical Memories 1 1.1 Vision, Mission, and Motivation from a Human Sciences Perspective 1 1.2 Reloading the Treasure of Human Experiences into the Digital Time Machine 6 1.3 The Online System Engineering Historical Memory (EHM): Methods and Tools 13 2 Historians and Computers 30 2.1 Computers in the Historian’s Craft. Opportunities and Limits 30 2.2 Reflections on the Training of Machine Learning Algorithms for the Next Generation of Historians 35 2.3 Towards a Computational Approach to History. The Principle of Computational Equivalence and the Phenomenon of Computational Irreducibility in Historical Sciences 40 3 History, Films, and Online Video Streaming 61 3.1 Communicating History with Films 61 3.1.1 Documentary Films 62