Quantitative Evaluation of Systems: 18th International Conference, Qest 2021, Paris, France, August 23-27, 2021, Proceedings

ISBN-13: 9783030851712 / Angielski / Miękka / 2021 / 461 str.

Alessandro Abate; Andrea Marin

Spis treści

Keynote Speaker.- Performance Evaluation: Model-Driven or Problem-Driven?.- Probabilistic Model Checking.- A Modest Approach to Dynamic Heuristic Search in Probabilistic Model Checking.- Tweaking the Odds in Probabilistic Timed Automata.- Quantifying Software Reliability via Model-Counting.- Quantitative Models and Metamodels: Analysis and Validation.- Compositional safe approximation of response time distribution of complex workflows.- Transient Analysis of Hierarchical Semi-Markov Process Models with Tool Support in Stateflow.- Evaluating the Effectiveness of Metamodels in Emulating Quantitative Models.- Queueing Systems.- Network Calculus for Bounding Delays in Feedforward Networks of FIFO Queueing Systems.- SEH: Size Estimate Hedging for Single-Server Queues.- An Approximate Bribe Queueing Model for Bid Advising in Cloud Spot Markets.- Learning and Verification.- DSMC Evaluation Stages: Fostering Robust and Safe Behavior in Deep Reinforcement Learning.- Active and sparse methods in smoothed model checking.- Safe Learning for Near-Optimal Scheduling.- Simulation.- Symbolic Simulation of Railway Timetables under Consideration of Stochastic Dependencies.- Simulation of n-dimensional second-order fluid models with different absorbing, reflecting and mixed barriers.- Performance Evaluation.- Queue Response Times with Server Speed Controlled by Measured Utilizations.- Service Demand Distribution Estimation for Microservices Using Markovian Arrival Processes.- Performance analysis of work stealing strategies in large scale multi-threaded computing.- Abstractions and Aggregations.- Stationary Distribution Approximations of Markovian Population Models using Aggregation.- Reasoning about Proportional Lumpability.- Lumpability for Uncertain Continuous-Time Markov Chains.- Stochastic Models.- Accurate Approximate Diagnosis of (Controllable) Stochastic Systems.- Optimizing reachability probabilities for a restricted class of Stochastic Hybrid Automata via Flowpipe-Construction.- Attack Trees vs. Fault Trees: two sides of the same coin from different currencies.