No.055 Science and Practice of Engineering Trustworthy Cyber-Physical Systems (TCPS)

NII Shonan Meeting:

@ Shonan Village Center,October 27-30, 2014

NII Shonan Meeting Report (ISSN 2186-7437):No.2014-14

Organizers

  • Fuyuki Ishikawa, National Institute of Informatics, Japan
  • Alexander Romanovsky, Newcastle University, UK

Overview055_Group Photo

Description of the meeting

The society and human activities have been depending more and more on
software-intensive systems. Novel system paradigms have been proposed and actively
developed, notably Cyber-Physical Systems (CPS). Envisioned systems expands target
entities and processes handled by the systems, stepping into more depth of human
activities as well as real world entities. There are emerging application areas such as
automated driving and smart cities, while existing areas are also evolving with richer
features, such as aviation, railways, business process management, navigation systems,
etc. Visions for CPS include or extend a lot of variations of system paradigms, Systems
of Systems, Ubiquitous Computing, Ambient Intelligence, and so on. Obviously, the
increased impact on human activities and real world entities lead to strong demand for
trustworthy systems. On the other hand, resulting is unprecedented complexity, caused
not only by expanded application features, but also by combined mechanisms for
trustworthiness (self-adaptation, resilience, etc.). Construction and provision of
trustworthy systems under complexity is absolutely the key challenge in system and
software engineering.

The key to tackle the challenge is engineering methods for trustworthy systems. There
is no doubt that foundational theories and technical components are essential as
building blocks. Building blocks for trustworthy systems spread across verification
algorithms, probabilistic analysis, fault models, self-adaptation mechanisms, and so on.
The challenge on complexity requires further, elaboration and integration of such blocks
into engineering methods. Engineering methods define a systematic and reliable way
for set of tasks to model, analyze and verify the system and its trustworthiness nature
while mitigating the complexity. Recently, there have been yet more active efforts on
engineering methods for trustworthy systems, on the basis of various approaches.
Formal methods are one of the promising approaches and have accompany active efforts
not only by the academia but also by the industry. Each approach has apparently
different, unique features, but essentially relevant to each other, focusing on modeling
of the system, modeling of trustworthiness or faults, and their analysis and verification
for complex systems, especially Cyber-Physical Systems.

In order to speed up the evolution of engineering methods for emerging complex
Cyber-Physical Systems, it is absolutely necessary to promote active discussions beyond
specific applications or specific engineering approaches. This proposed Shonan Meeting
aims at providing this opportunity by inviting world-leading researchers on engineering
methods for trustworthy Cyber-Physical Systems.

This meeting provides an opportunity for leading researchers to exchange and discuss
their latest (possibly immature) ideas as common in the Shonan Meeting. In addition,
this meeting aims at defining grand challenges and identifying the common principles
of engineering methods for trustworthy CPS. The motivation lies in the current state:
many of the workshops or discussions tend to focus on specific formalisms or tools, and
discussions in different terminologies result in disjoint while they should be essentially
relevant (common or complementing).

For these purposes, the meeting will involve two kinds of sessions (possibly with special
sessions as described below). One is presentations and targeted discussions, where each
researcher presents ideas and positions that then kicks off various directions of
discussions. The organisers will ensure that these presentations are structured around
specific topics. The other is sessions consisting of intensive follow-up discussions
involving mixed groups of attendees. The meeting will use a dedicated method for
conducting the intensive discussion, the current plann is to use a variation of the world
café method: http://www.theworldcafe.com/method.html. The organisers will prepare
the discussion topics such as “what are challenges specific to trustworthiness of
emerging CPS”, “what are essential requirements for engineering methods for CPS” and
“what are the future CPS”. The topics will be extended at the meeting as well.

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