REVIEW 4 major objections 6 minor 1 cited by
An Innovative Data-Driven and Adaptive Reinforcement Learning Approach for Context-Aware Prescriptive Process Monitoring
T0 review · 4 major / 6 minor · reviewed 2026-08-10 · deepseek-v4-flash
Pith's one-line read A five-step offline reinforcement learning framework claims 31% resource-time savings and 23% shorter process spans by reordering activities in business workflows.
desk verdict The combination of offline Q-learning, reward shaping, and process-aware augmentation is genuinely new, but the headline KPI savings are unestablished because the replay simulator is never specified and the paper contradicts itself on offline vs online fine-tuning. read the letter →
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
The reading
What carries the argument
The central object is the state-dependent reward-shaping function $R(s_t,a_t)=-r\,|s_t|\,\mathbb{I}(s_t,a_t)$, which returns a penalty proportional to the number of activities already executed when the chosen activity leads to a KPI violation. This length-aware penalty is what makes the Q-learning agent prefer to surface risky activities early. The second load-bearing component is the process-aware data augmentation: timestamps are shifted by up to 10% of inter-activity time, non-critical activities are selectively removed from completed groups, and the synthetic traces are filtered against business-rule constraints, allowing the pre-trained Q-function to be fine-tuned offline as if exploration had continued.
What would settle it
Replay the learned policy on the energy-regulator event log while keeping each activity's real per-activity duration and order-dependent approval probabilities; if reordered traces do not reduce resource time by 31% and process span by 23% (or if they increase either), the central claim collapses.
Extended reading notes
Core claim
On its own terms, the paper establishes that a Q-learning agent over process states, trained with a length-aware reward $R(s_t,a_t)=-r\,|s_t|\,\mathbb{I}(s_t,a_t)$ and fine-tuned on augmented traces, learns to recommend activity orders that outperform both a multi-task LSTM next-action recommender and a permutation-feature-importance baseline. When 15,000 test-set traces are replayed with the learned policy, the paper reports 31% savings in resource time spent and a 23% reduction in process time span, with an average 2.66 fewer days of resource time and 9.69 fewer days per case compared with a baseline of 8.52 days per activity and 40.56 days per case. The framework also yields a ranked set of best next activities rather than a single action, and its robustness is assessed with Damerau–Levenshtein distance across nine public event logs from healthcare, finance, permits, and operations.
Load-bearing premise
The savings numbers assume that replaying 15,000 traces with the learned policy is a valid counterfactual: activities can be reordered freely, their durations and approval outcomes are order-independent, and an early disapproval allows later activities to be skipped.
Editorial extensions
If this is right
- Applied to new applications at the energy regulator, the learned policy could reduce resource time spent on reviews by roughly a third and total approval time by about a quarter, if the replay assumptions hold.
- Because fine-tuning is fully offline, the same recipe transfers to domains where online interaction is expensive, such as healthcare treatment pathways and permit processing.
- The policy does not prescribe one rigid sequence; it outputs a ranked list of next-best activities, so decision-makers can choose among near-optimal actions under operational constraints.
- The Damerau–Levenshtein validation indicates the framework both reproduces traces that lead to desired outcomes and avoids traces that lead to undesired ones, across different prefix lengths.
- Performance is strongest when the event log has dense state coverage relative to its number of activities; sparse logs such as BPIC_2015 are an explicit boundary of the method.
Reading between the lines
- The 31% and 23% figures depend on a replay counterfactual that the paper never fully specifies; if activity durations or approval outcomes are order-dependent in the real process, the realized savings could differ even if the Q-learning converged correctly.
- The same reward-shaping principle — penalizing late failure linearly in trace length — could be ported to other continuous KPIs such as cost or defect counts, as long as the state encodes those dimensions.
- A natural next test is a real A/B trial where the policy's reorderings are applied to a random subset of cases; if early disapproval does not reliably cancel downstream work, the resource-time gain shrinks.
- The analogy to fast-fail in manufacturing suggests the framework may transfer well beyond business process mining, to any sequential task where late-stage failure is disproportionately expensive.
Signed reviews
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper proposes FORLAPS, a five-step prescriptive process monitoring framework that combines offline reinforcement learning with a state-dependent (length-aware) reward shaping mechanism and a process-aware data augmentation technique. The authors apply the framework to a real-life event log from a Canadian energy regulator and report 31% savings in resource time spent and 23% reduction in process time span, comparing favorably against LSTM and Permutation Feature Importance baselines. They also report improved Q-value convergence on nine public datasets and validate the recommended sequences using Damerau-Levenshtein distance at both trace and prefix levels. The central claim is that FORLAPS reliably identifies optimal execution paths and provides context-sensitive next-activity recommendations without online environment interaction.
Significance. If the empirical claims were substantiated, the paper would offer a practical, data-driven approach to prescriptive process monitoring in data-scarce, high-stakes settings, and the integration of length-aware reward shaping with process-aware augmentation is a sensible direction. The authors provide source code on GitHub and evaluate on a diverse set of datasets (Sepsis, BPIC 2015/2017/2019, Traffic Fines), which is a strength. However, the headline results rest on an unspecified replay simulator, and the Q-value improvements are partly circular because the augmentation is described as selectively increasing Q-values. As written, the contribution is not fully established, and the evaluation protocol needs substantial clarification before the claims can be accepted.
major comments (4)
- [Section 3, Table 3] The replay simulation that produces the 31% resource-time and 23% time-span savings is not defined. The text says "we replayed 15,000 traces from the test set of event logs using the learned optimal policy," but no transition function, duration model, activity outcome (approval/disapproval) model, or cancellation/revision semantics are specified. The process in Section 2.1 is described as having up to 10 revisions and partially parallel activities, and Section 3 itself concedes that sequential reordering may add delays. Without an explicit simulator, the KPI computations are not reproducible and the comparison against LSTM and PFI baselines is uninterpretable. This is the core empirical claim, so the paper must provide a precise replay model and re-run the evaluation.
- [Sections 2.3, 3, and 4.2] Reporting Q-value increases as performance improvements is circular. The abstract and Section 2.3 state that the augmentation technique "selectively increases the average estimated Q-values in sampled batches," and Section 3 then reports a 44% Q-value improvement during fine-tuning, while Section 4.2 reports "outperformed the Offline RL agent by 28 percentage points on the Sepsis dataset and 33 percentage points on the BPIC_2017 dataset" as superiority. If the augmentation is intentionally designed to raise Q-values, higher Q-values are not independent evidence of a better policy. The paper should use externally defined metrics (e.g., expected return under a fixed simulator, success rate, or downstream KPIs) to compare policies, and should either drop the Q-value-based superiority claims or present them only as convergence diagnostics.
- [Section 2.3, Eq. (4)] Equation (4) is malformed: it uses the subset symbol "⊆" for trace membership, mixes universal and existential quantifiers with an unclear implication scope, and does not define the validity predicate V(σ', b) that it claims to formalize. As written, the equation cannot be implemented or checked, yet it is the formal basis for the "process semantic check" that the augmentation is said to satisfy. This needs to be rewritten as a precise logical condition over traces, business rules, and the augmented log.
- [Section 5 vs. Section 2.3] The paper contradicts itself on whether fine-tuning is offline or online. Section 2.3 says "we enhance policy learning through a fine-tuning phase conducted entirely in the offline setting" and the method is "fully compliant with an offline RL paradigm," but the Conclusion (Section 5) describes FORLAPS as "a hybrid technique that combines offline pre-training with online fine-tuning." This is not a minor wording issue: it changes the nature of the method and its claimed applicability to settings where online interaction is expensive or infeasible. The authors must unambiguously state the operating mode and ensure all sections are consistent.
minor comments (6)
- [Section 3, Table 3] The column header "Opt%" is never defined, and the table reports a "96% confidence interval," which is unusual; please define the statistic and justify the confidence level.
- [Section 1, Introduction] The introductory paragraph contains a duplicated discussion of manufacturing environments: "Manufacturing environments face similar challenges..." is followed by "Similarly, manufacturing environments rely on well-ordered production activities..." Please remove the redundancy.
- [Section 4.1] The phrase "80'%" contains a stray apostrophe and should be "80%."
- [Section 4.3] The sentence "BPIC_2019 showed that LSTMs lightly outperformed offline RL" likely means "slightly outperformed"; please correct the typo.
- [Section 2.3, Eq. (5)] Equation (5) is not a correct optimal-policy equation: it mixes an argmax over actions with an argmax over policies and omits the expectation over transitions. Please rewrite it using standard notation.
- [Section 2.2, Eq. (2) and Algorithm 1] The reward function is written as $-r|s_t|\mathcal{I}(s_t,a_t)$ in Eq. (2) but as $reward \leftarrow -r \cdot |s_t| \cdot \mathcal{I}(s_t,a_t)$ in Algorithm 1; please align the notation and clarify whether the indicator function depends on both state and action or on the outcome only.
Circularity Check
Augmentation success is reported with the same Q-values the augmentation is designed to increase, making the 44% and 19-33 percentage-point 'performance' gains circular; the KPI comparison is independent but underspecified.
-
self definitional
[Abstract; Section 2.3 (Process data augmentation); Section 3 (fine-tuning results); Section 4.2 (Results and discussion)]
"To further enhance learning, we introduce an innovative process-aware data augmentation technique that selectively increases the average estimated Q-values in sampled batches... The observed improvement in policy quality corresponds to higher estimated Q-values, providing empirical evidence that the model’s value estimation reliably converges as training proceeds... Overall, the fine-tuning process yields a 44% improvement in performance... [Section 4.2:] it outperformed the Offline RL agent by 28 percentage points on the Sepsis dataset and 33 percentage points on the BPIC_2017 dataset."
The augmentation is introduced as a procedure that selectively increases average estimated Q-values, and the same estimated Q-values are then used as the success metric: Figure 2 tracks mean Q-values, Section 3 reports a 44% 'improvement in performance' from fine-tuning, and Section 4.2 reports 19-33 percentage-point gains from the Q-value curves in Figures 5-6. Because the manipulated quantity is also the reported outcome, these gains are expected by construction and are not independent evidence of better process prescriptions. The Damerau-Levenshtein comparisons are a separate, non-circular check, but the headline augmentation-related performance numbers reduce to the augmentation's own objective.
full rationale
The paper's strongest formal circularity is in the evaluation of the augmentation/fine-tuning component: the augmentation's stated purpose is to selectively increase average estimated Q-values, and the paper's 'performance' gains (44%, 19-33 percentage points) are measured as increases in those same Q-values. This is a by-construction reduction and warrants a score of 6. The 31%/23% KPI savings on the energy-regulator case study are not formally circular, but they depend on an unspecified replay/simulation of reordered traces; I treat that as reproducibility/correctness risk, not circularity. The Damerau-Levenshtein validation against LSTM and offline-RL baselines is an external metric and gives some independent support to the general claim of improved sequence recommendation. The self-citations (Abbasi et al. 2024; Khadivi et al. 2023/2024) are background references and are not load-bearing, so they do not increase the score. Overall, the central contribution is not wholly defined by its inputs, but a prominent set of performance claims does reduce to the Q-value objective.
Assumptions & free parameters
free parameters (6)
- base reward penalty r =
not reported
- learning rate alpha =
not reported
- discount factor gamma =
not reported
- timestamp noise epsilon =
uniform[-0.1, 0.1]
- augmentation scale =
100K and 200K timesteps
- activity removal fraction =
5% of completed groups
assumptions (6)
- domain assumption Event log traces can be modeled as an MDP with state = executed activity sequence and deterministic transitions.
- domain assumption The historical event log is a valid behavior policy for offline Q-learning with no unobserved confounding or selection bias.
- ad hoc to paper Reordering activities according to the learned policy does not change activity outcomes or durations; savings arise because early disapproval can skip later work.
- ad hoc to paper The length-aware penalty -r|s_t| I(violation) aligns with true process cost and preserves the intended optimal policy.
- ad hoc to paper Augmented traces generated by timestamp noise, duplication, and removal satisfy business constraints, as per Eq 4.
- standard math Q-learning with tabular value iteration converges on these event logs.
Cite this review
Pith. "Pith review of An Innovative Data-Driven and Adaptive Reinforcement Learning Approach for Context-Aware Prescriptive Process Monitoring." pith.science (2026). https://pith.science/paper/4WHJ2FYV
@misc{pith2026250110543,
author = {Pith},
title = {Pith review of: An Innovative Data-Driven and Adaptive Reinforcement Learning Approach for Context-Aware Prescriptive Process Monitoring},
year = {2026},
howpublished = {\url{https://pith.science/paper/4WHJ2FYV}},
note = {Machine review of arXiv:2501.10543}
}
read the original abstract
The application of artificial intelligence and machine learning in business process management has advanced significantly, however, the full potential of these technologies remains largely unexplored, primarily due to challenges related to data quality and availability. We present a novel framework called Fine-Tuned Offline Reinforcement Learning Augmented Process Sequence Optimization (FORLAPS), which aims to identify optimal execution paths in business processes by leveraging reinforcement learning enhanced with a state-dependent reward shaping mechanism, thereby enabling context-sensitive prescriptions. Additionally, to compare FORLAPS with the existing models (Permutation Feature Importance and multi-task Long Short Term Memory model), we experimented to evaluate its effectiveness in terms of resource savings and process time reduction. The experimental results on real-life event logs validate that FORLAPS achieves 31% savings in resource time spent and a 23% reduction in process time span. To further enhance learning, we introduce an innovative process-aware data augmentation technique that selectively increases the average estimated Q-values in sampled batches, enabling automatic fine-tuning of the reinforcement learning model. Robustness was assessed through both prefix-level and trace-level evaluations, using the Damerau-Levenshtein distance as the primary metric. Finally, the model's adaptability across industries was further validated through diverse case studies, including healthcare treatment pathways, financial services workflows, permit applications from regulatory bodies, and operations management. In each domain, the proposed model demonstrated exceptional performance, outperforming existing state-of-the-art approaches in prescriptive decision-making, demonstrating its capability to prescribe optimal next steps and predict the best next activities within a process trace.
Figures
Figures from the paper (5 more)
Forward citations
Cited by 1 Pith paper
-
SCOPE: Sequential Causal Optimization of Process Interventions
SCOPE plans sequential intervention decisions in business processes by estimating outcomes with causal models, and generally beats two baselines on two simulated datasets.
Reference graph
Works this paper leans on
-
[1]
Abbasi,M.,Nishat,R.I.,Bond,C.,Graham-Knight,J.B.,Lasserre,P.,Lucet,Y.,Najjaran,H.,2024. Areviewofaiandmachinelearningcontribution in business process management (process enhancement and process improvement approaches). Business Process Management Journal . Agarwal, P., Gupta, A., Sindhgatta, R., Dechu, S.,
work page 2024
-
[5]
Engineering Applications of Artificial Intelligence 126, 106899
Outcome-oriented prescriptive process monitoring based on temporal logic patterns. Engineering Applications of Artificial Intelligence 126, 106899. URL:https://www.sciencedirect.com/ science/article/pii/S0952197623010837, doi:https://doi.org/10.1016/j.engappai.2023.106899. Goossens, A., De Smedt, J., Vanthienen, J.,
-
[7]
A mathematical model for simultaneous personnel shift planning and unrelated parallel machine scheduling. ArXiv abs/2402.15670. URL:https://api.semanticscholar.org/CorpusID:267938764. Khadivi, M., Charter, T., Yaghoubi, M., Jalayer, M., Ahang, M., Shojaeinasab, A., Najjaran, H.,
-
[8]
Deep reinforcement learning for machine scheduling: Methodology, the state-of-the-art, and future directions. URL:https://arxiv.org/abs/2310.03195, arXiv:2310.03195. Kratsch, W., Manderscheid, J., Röglinger, M., Seyfried, J.,
-
[10]
Triggering proactive business process adaptations via online reinforcement learning, in: International Conference on Business Process Management, Springer. pp. 273–290. Neuberger,J.,Doll,L.,Engelmann,B.,Ackermann,L.,Jablonski,S.,2024. Leveragingdataaugmentationforprocessinformationextraction. URL: https://arxiv.org/abs/2404.07501, arXiv:2404.07501. Pasqua...
work page Pith review arXiv 2024
-
[11]
Information Sciences 606, 250–271
Promise: Coupling predictive process mining to process discov- ery. Information Sciences 606, 250–271. URL: https://www.sciencedirect.com/science/article/pii/S0020025522004844, doi:https://doi.org/10.1016/j.ins.2022.05.052. Shoush,M.,Dumas,M.,2021. Prescriptiveprocessmonitoringunderresourceconstraints:acausalinferenceapproach,in:InternationalConference on...
-
[12]
(Eds.), Business Process Management Forum, Springer International Publishing
Prescriptive business process monitoring for recommending next best actions, in: Fahland, D., Ghidini, C., Becker, J., Dumas, M. (Eds.), Business Process Management Forum, Springer International Publishing. pp. 193–209. doi:10.1007/978-3-030-58638-6_12 . Weinzierl, S., Zilker, S., Dunzer, S., Matzner, M.,
-
[13]
Timing Process Interventions with Causal Inference and Reinforcement Learning
Timing process interventions with causal inference and reinforcement learning. arXiv preprint arXiv:2306.04299 . abbasi et al.: Preprint submitted to Elsevier Page 17 of 17 Fine-Tuned Offline RL Augmented Prescriptive Process Monitoring Yang, R., Bai, C., Ma, X., Wang, Z., Zhang, C., Han, L.,
Show all 14 references
-
[14]
Advances in neural information processing systems 35, 23851–23866
Rorl: Robust offline reinforcement learning via conservative smoothing. Advances in neural information processing systems 35, 23851–23866. Yu,X.,Bai,C.,Guo,H.,Wang,C.,Wang,Z.,2024. Diverserandomizedvaluefunctions:Aprovablypessimisticapproachforofflinereinforcement learning. In...
2024
-
[2020]
CoRR abs/2005.01643
Offline reinforcement learning: Tutorial, review, and perspectives on open problems. CoRR abs/2005.01643. URL: https://arxiv.org/abs/2005.01643, arXiv:2005.01643. Metzger, A., Kley, T., Palm, A.,
2005 arXiv
-
[2021]
Prescriptive process monitoring for cost-aware cycle time reduction, in: 2021 3rd international conference on process mining (ICPM), IEEE. pp. 96–103. Deng, J., Sierla, S., Sun, J., Vyatkin, V.,
2021
-
[2022]
arXiv preprint arXiv:2205.03219
Goal-oriented next best activity recommendation using reinforcement learning. arXiv preprint arXiv:2205.03219 . Bozorgi,Z.D.,Dumas,M.,Rosa,M.L.,Polyvyanyy,A.,Shoush,M.,Teinemaa,I.,2023. Learningwhentotreatbusinessprocesses:Prescriptivepro- cess monitoring with causal inference...
2023 arXiv
-
[2023]
Information Sciences 632, 221–231
Offline reinforcement learning for industrial process control: A case study from steel industry. Information Sciences 632, 221–231. URL:https://www.sciencedirect.com/science/article/pii/S0020025523003158, doi:https://doi.org/10.1016/j.ins.2023.03.019. Donadello, I., Di Frances...
-
[2024]
Information Sciences 682, 121263
Extracting process-aware decision models from object-centric process data. Information Sciences 682, 121263. URL: https://www.sciencedirect.com/science/article/pii/S0020025524011770, doi:https://doi. org/10.1016/j.ins.2024.121263. Khadivi, M., Abbasi, M., Charter, T., Najjaran, H.,
2024
Reviewed August 10, 2026 · model on record in the stance chip above.
Discussion (0). Continue with ORCID to comment.