Search Results - "Mateis, Cristinel"
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CPSDebug: Automatic failure explanation in CPS models
Published in International journal on software tools for technology transfer (01-10-2021)“…Debugging cyber-physical system (CPS) models is a cumbersome and costly activity. CPS models combine continuous and discrete dynamics—a fault in a physical…”
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Journal Article -
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Specifying and detecting temporal patterns with shape expressions
Published in International journal on software tools for technology transfer (01-08-2021)“…Modern cyber-physical systems (CPS) and the Internet of things (IoT) are data factories generating, measuring and recording huge amounts of time series. The…”
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Survey on mining signal temporal logic specifications
Published in Information and computation (01-11-2022)“…Formal specifications play an essential role in the life-cycle of modern systems, both at the time of their design and during their operation. Despite their…”
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Mining Shape Expressions From Positive Examples
Published in IEEE transactions on computer-aided design of integrated circuits and systems (01-11-2020)“…Shape expressions (SEs) is a novel specification language that was recently introduced to express behavioral patterns over real-valued signals observed during…”
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Learning minimal automata with recurrent neural networks
Published in Software and systems modeling (01-06-2024)“…In this article, we present a novel approach to learning finite automata with the help of recurrent neural networks. Our goal is not only to train a neural…”
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Learning and statistical model checking of system response times
Published in Software quality journal (01-06-2019)“…Since computers have become increasingly more powerful, users are less willing to accept slow responses of systems. Hence, performance testing is important for…”
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Sampling of Shape Expressions
Published 28-05-2021“…Cyber-physical systems (CPS) are increasingly becoming driven by data, using multiple types of sensors to capture huge amounts of data. Extraction and…”
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Industry Paper: Surrogate Models for Testing Analog Designs under Limited Budget - a Bandgap Case Study
Published in 2022 International Conference on Hardware/Software Codesign and System Synthesis (CODES+ISSS) (01-10-2022)“…Testing analog integrated circuit (IC) designs is notoriously hard. Simulating tens of milliseconds from an accurate transistor level model of a complex analog…”
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Conference Proceeding -
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Sampling of Shape Expressions with ShapEx
Published in 2021 19th ACM-IEEE International Conference on Formal Methods and Models for System Design (MEMOCODE) (20-11-2021)“…In this paper we present SHAPEx, a tool that generates random behaviors from shape expressions, a formal specification language for describing sophisticated…”
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Conference Proceeding -
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Mining Shape Expressions with ShapeIt
Published 24-09-2021“…We present ShapeIt, a tool for mining specifications of cyber-physical systems (CPS) from their real-valued behaviors. The learned specifications are in the…”
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Journal Article -
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Automatic Failure Explanation in CPS Models
Published 29-03-2019“…Debugging Cyber-Physical System (CPS) models can be extremely complex. Indeed, only the detection of a failure is insuffcient to know how to correct a faulty…”
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Journal Article -
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Exponential pattern recognition for deriving air change rates from CO2 data
Published in 2017 IEEE 26th International Symposium on Industrial Electronics (ISIE) (01-06-2017)“…A novel procedure for automated determination of air change rates from measured indoor CO 2 concentrations is proposed. The suggested approach builds upon a…”
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Conference Proceeding -
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Extended Abstract - Model-Based Debugging of Java Programs
Published 20-11-2000“…Model-based reasoning is a central concept in current research into intelligent diagnostic systems. It is based on the assumption that sources of incorrect…”
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Journal Article