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- ArticleJune 2024
Towards Learning the Optimal Sampling Strategy for Suffix Prediction in Predictive Monitoring
AbstractPredictive monitoring is a subfield of process mining which focuses on forecasting the evolution of an ongoing process case. A related main challenge is activity suffix prediction, the problem of predicting the sequence of future activities until ...
- ArticleJune 2024
On the Flexibility of Declarative Process Specifications
AbstractDeclarative process specifications, such as Declare, provide a natural framework to capture flexible business processes. However, the specification may be more, or less flexible, depending on how much freedom it provides – for example, a ...
- research-articleFebruary 2024
Mimicking behaviors in separated domains (abstract reprint)
AAAI'24/IAAI'24/EAAI'24: Proceedings of the Thirty-Eighth AAAI Conference on Artificial Intelligence and Thirty-Sixth Conference on Innovative Applications of Artificial Intelligence and Fourteenth Symposium on Educational Advances in Artificial IntelligenceArticle No.: 2562, Page 22695https://doi.org/10.1609/aaai.v38i20.30595Devising a strategy to make a system mimic behaviors from another system is a problem that naturally arises in many areas of Computer Science. In this work, we interpret this problem in the context of intelligent agents, from the perspective of LTLf, a ...
- research-articleOctober 2023
A framework for modeling, executing, and monitoring hybrid multi-process specifications with bounded global–local memory
AbstractSo far, approaches for business process modeling, enactment and monitoring have mainly been based on process specifications consisting of a single process model. This setting aptly captures monolithic scenarios from domains in which all possible ...
Highlights- A new model for data-aware, hybrid multi-process specifications (HMPS).
- HMPS enable modular business processes with procedural and declarative components.
- Synchronous and asynchronous semantics for both activities and variables in ...
- research-articleAugust 2023
Data-Aware Declarative Process Mining with SAT
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 14, Issue 4Article No.: 75, Pages 1–26https://doi.org/10.1145/3600106Process Mining is a family of techniques for analyzing business process execution data recorded in event logs. Process models can be obtained as output of automated process discovery techniques or can be used as input of techniques for conformance ...
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- research-articleMay 2023
Monitoring hybrid process specifications with conflict management: An automata-theoretic approach
Artificial Intelligence in Medicine (AIIM), Volume 139, Issue Chttps://doi.org/10.1016/j.artmed.2023.102512AbstractComplexity of medical treatments can vary from prescribing medicine for a specific ailment to managing a complex set of simultaneous medical issues. In the latter case, doctors are assisted by clinical guidelines which outline standard ...
Highlights- Hybrid models with imperative (processes) and declarative (constraints) components.
- research-articleJune 2023
A formalization of multi-agent planning with explicit agent representation
SAC '23: Proceedings of the 38th ACM/SIGAPP Symposium on Applied ComputingPages 816–823https://doi.org/10.1145/3555776.3577753We present a formalization of multi-agent planning problems in which agents are explicitly represented. In contrast with previous formalisations, we discuss the advantages of representing agents explicitly and show the implementation in the Unified ...
- research-articleMarch 2023
Process mining meets model learning: Discovering deterministic finite state automata from event logs for business process analysis
AbstractWithin the process mining field, Deterministic Finite State Automata (DFAs) are largely employed as foundation mechanisms to perform formal reasoning tasks over the information contained in the event logs, such as conformance checking, ...
Highlights- Deterministic Finite State Automata (DFAs) are employed to perform formal reasoning tasks in Process Mining.
- research-articleFebruary 2023
Exploiting multiple abstractions in episodic RL via reward shaping
AAAI'23/IAAI'23/EAAI'23: Proceedings of the Thirty-Seventh AAAI Conference on Artificial Intelligence and Thirty-Fifth Conference on Innovative Applications of Artificial Intelligence and Thirteenth Symposium on Educational Advances in Artificial IntelligenceArticle No.: 812, Pages 7227–7234https://doi.org/10.1609/aaai.v37i6.25881One major limitation to the applicability of Reinforcement Learning (RL) to many practical domains is the large number of samples required to learn an optimal policy. To address this problem and improve learning efficiency, we consider a linear hierarchy ...
- research-articleFebruary 2023
Monitoring arithmetic temporal properties on finite traces
AAAI'23/IAAI'23/EAAI'23: Proceedings of the Thirty-Seventh AAAI Conference on Artificial Intelligence and Thirty-Fifth Conference on Innovative Applications of Artificial Intelligence and Thirteenth Symposium on Educational Advances in Artificial IntelligenceArticle No.: 712, Pages 6346–6354https://doi.org/10.1609/aaai.v37i5.25781We study the monitoring of linear-time arithmetic properties against finite traces generated by an unknown dynamic system. The monitoring state is determined by considering at once the trace prefix seen so far, and all its possible finite-length, future ...
- ArticleJune 2022
Multi-model Monitoring Framework for Hybrid Process Specifications
AbstractSo far, business process monitoring approaches have mainly focused on monitoring executions with respect to a single process model. This setting aptly captures monolithic scenarios from domains in which all possible behaviors can be folded into a ...
- research-articleJanuary 2022
Situation calculus for controller synthesis in manufacturing systems with first-order state representation
AbstractManufacturing is transitioning from a mass production model to a service model in which facilities ‘bid’ to produce products. To decide whether to bid for a complex, previously unseen product, a facility must be able to synthesize, on ...
- ArticleJune 2019
Modeling and In-Database Management of Relational, Data-Aware Processes
AbstractIt is known that the engineering of information systems usually requires a huge effort in integrating master data and business processes. Existing approaches, both from academia and the industry, typically come with ad-hoc abstractions to ...
- research-articleFebruary 2018
LT Lƒ/LDLƒ non-Markovian rewards
AAAI'18/IAAI'18/EAAI'18: Proceedings of the Thirty-Second AAAI Conference on Artificial Intelligence and Thirtieth Innovative Applications of Artificial Intelligence Conference and Eighth AAAI Symposium on Educational Advances in Artificial IntelligenceArticle No.: 216, Pages 1771–1778In Markov Decision Processes (MDPs), the reward obtained in a state is Markovian, i.e., depends on the last state and action. This dependency makes it difficult to reward more interesting long-term behaviors, such as always closing a door after it has ...
- ArticleFebruary 2017
On the disruptive effectiveness of automated planning for LTLf-based trace alignment
One major task in business process management is that of aligning real process execution traces to a process model by (minimally) introducing and eliminating steps. Here, we look at declarative process specifications expressed in Linear Temporal Logic ...
- research-articleAugust 2016
Bounded situation calculus action theories
Artificial Intelligence (ARTI), Volume 237, Issue CPages 172–203https://doi.org/10.1016/j.artint.2016.04.006In this paper,1 we investigate bounded action theories in the situation calculus. A bounded action theory is one which entails that, in every situation, the number of object tuples in the extension of fluents is bounded by a given constant, although ...
- articleAugust 2016
Progression and Verification of Situation Calculus Agents with Bounded Beliefs
We investigate agents that have incomplete information and make decisions based on their beliefs expressed as situation calculus bounded action theories. Such theories have an infinite object domain, but the number of objects that belong to fluents at ...
- ArticleJuly 2016
Plan synthesis for knowledge and action bases
IJCAI'16: Proceedings of the Twenty-Fifth International Joint Conference on Artificial IntelligencePages 1022–1029We study plan synthesis for a variant of Knowledge and Action Bases (KABs), a rich, dynamic framework, where states are description logic (DL) knowledge bases (KBs) whose extensional part is manipulated by actions that possibly introduce new objects ...
- ArticleApril 2016
On first-order μ-calculus over situation calculus action theories
KR'16: Proceedings of the Fifteenth International Conference on Principles of Knowledge Representation and ReasoningPages 411–420In this paper we study verification of situation calculus action theories against first-order μ-calculus with quantification across situations. Specifically, we consider μLa and μLp, the two variants of μ-calculus introduced in the literature for ...