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What is hADL? 


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hADL, or Hybrid Automata Stochastic Logic, is a novel temporal logic formalism designed for verifying discrete event stochastic processes (DESP). It utilizes Linear Hybrid Automata (LHA) to select relevant execution path prefixes of a DESP, allowing for the collection of detailed information during path selection. hADL formulas consist of an LHA and an expression Z referring to moments of path random variables. A simulation-based statistical engine is employed to estimate the expected value of Z with a confidence interval. This approach seamlessly integrates temporal reasoning with sophisticated reward-based analysis, providing a unified verification framework. Additionally, hADL offers a powerful means to express complex measures and has been demonstrated through examples and empirical evidence using the Cosmos software tool.

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hADL, or Activity Description Language, is a formal notation combining graphical ASM and model-based AFB notations for specifying temporal and functional behavior of concurrent processes in real-time networks.
hADL is an interface definition language that extends CORBA IDL with formal specification constructs, primarily used for testing software components, including a test-data description language (TDD).
Answer: HASL (HArvey’s Static Language) is a purely functional language with unification-based conditional binding expressions, designed for expressing functional dependencies and potentially integrating with logic programming languages like Prolog.
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