Solving the frame problem: a mathematical investigation of the common sense law of inertia
Solving the frame problem: a mathematical investigation of the common sense law of inertia
Finite state machine approach to digital event reconstruction
Digital Investigation: The International Journal of Digital Forensics & Incident Response
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In a hypothesis-based approach to digital investigation, the investigator formulates his hypothesis about which events took place, and tests them using the evidence available. A formalism for the description of the investigated system is useful in the hypothesis formulation and testing. Simplified Event Calculus, a form of propositional logic, can be used to define and test hypotheses in a digital investigation. When a system is modelled in this logic, observed states can be used to find action hypotheses and test them in the model. This can assist investigators and fact-finders in reconstruction of events from digital evidence. The logic can also be used to derive invariants for a system that can be utilized in tools checking evidence from these systems for consistency.