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    Chapter and Conference Paper

    Quantitative BAN Logic Based on Belief Degree

    Authentication protocols are the basis for secure communication in many distributed systems but are highly prone to errors in their design, preventing them from working properly. It is therefore necessary to a...

    Kaixuan Li, Hengyang Wu, **yi Xu in Artificial Intelligence Logic and Applicat… (2022)

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    Article

    Connection models for the Internet-of-Things

    The Internet-of-Things (IoT) is expected to swamp the world. In order to study and understand the emergent behaviour of connected things, effective support for their modelling is needed. At the heart of IoT ar...

    Kangli He, Holger Hermanns, Hengyang Wu, Yixiang Chen in Frontiers of Computer Science (2019)

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    Chapter and Conference Paper

    Embedding CCSL into Dynamic Logic: A Logical Approach for the Verification of CCSL Specifications

    The Clock Constraint Specification Language (CCSL) is a clock-based specification language for capturing causal and chronometric constraints between events in Real-Time Embedded Systems (RTESs). Due to the lim...

    Yuanrui Zhang, Hengyang Wu, Yixiang Chen in Formal Techniques for Safety-Critical Syst… (2019)

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    Chapter and Conference Paper

    Modal Characterisations of Probabilistic and Fuzzy Bisimulations

    This paper aims to investigate bisimulation on fuzzy systems. For that purpose we revisit bisimulation in the model of reactive probabilistic processes with countable state spaces and obtain two findings: (1) ...

    Yuxin Deng, Hengyang Wu in Formal Methods and Software Engineering (2014)

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    Chapter and Conference Paper

    The Semantics of wlp and slp of Fuzzy Imperative Programming Languages

    In this paper, we focus on the weakest liberal precondition semantics (wlp, for short) and the strongest liberal postcondition semantics (slp, for short) of fuzzy imperative programming languages and discuss thei...

    Hengyang Wu, Yixiang Chen in Nonlinear Mathematics for Uncertainty and its Applications (2011)

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    Article

    Measurement of refinement and correctness

    The purpose of this paper is to introduce a measurement approach of refinement and correctness of probabilistic programs. That is, we define the refinement degree and the correctness degree by the weakest prec...

    Hengyang Wu in Frontiers of Computer Science in China (2009)

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    Article

    Semantics of sub-probabilistic programs

    The aim of this paper is to extend the probabilistic choice in probabilistic programs to sub-probabilistic choice, i.e., of the form (p)P (q)Q where p + q ⩽ 1. It means that program P is ...

    Yixiang Chen, Hengyang Wu in Frontiers of Computer Science in China (2008)