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<pdf width="1500px">https://ceur-ws.org/Vol-2615/xpreface.pdf</pdf>
<pre>
Preface




The notion of the Digital Twin, which is a digital replica of a physical entity, has
become prevalent in various domains including manufacturing, urban planning,
healthcare and transport. Digital Twins can be considered as a mirror reflection of
the physical object, maintaining and providing an up to date status of their physical
counterpart. Such functionality abstracts from access to physical devices, which
normally have limited resources, supporting enhanced capabilities such as status
visualisation, simulation of alternative scenarios, queries by application agents, and
advanced diagnostics.
    Digital twins require unambiguous descriptions of the physical entities and their
digital counterpart, as well as the ability to integrate data from heterogeneous sources
of information (including real-time data) and to interact with the physical world.
Given these requirements, semantic technologies will play a significant role in bring-
ing digital twins to reality.
    The International Workshop on Semantic Digital Twins (SeDiT) was established
to facilitate the progress of this emerging technology. Its aims are twofold. Firstly,
to initiate discussion about current trends and future challenges of semantic digital
twins. And, secondly, to support communication and collaboration, with the goal of
aligning the various efforts within the community and accelerating innovation in all
the associated fields.
    Overall we received 9 submissions which underwent thorough reviewing by three
reviewers each. Based on these reviews, we accepted 5 papers for presentation. We
thank all authors and PC members for making the workshop a success.
    We hope that SeDiT will be a fruitful meeting that will stimulate further devel-
opments in the field.


Heraklion, Greece,                                                Raúl García-Castro
May 2020                                                                John Davies
                                                                   Grigoris Antoniou
                                                                    Carolina Fortuna

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