Recognition: no theorem link
KGLAMP: Knowledge Graph-guided Language model for Adaptive Multi-robot Planning and Replanning
Pith reviewed 2026-05-16 08:05 UTC · model grok-4.3
The pith
A knowledge graph guides an LLM to build and update accurate PDDL plans for heterogeneous robot teams in dynamic settings.
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
Core claim
KGLAMP maintains a structured knowledge graph encoding object relations, spatial reachability, and robot capabilities, which guides the LLM in generating accurate PDDL problem specifications. The knowledge graph serves as a persistent, dynamically updated memory that incorporates new observations and triggers replanning upon detecting inconsistencies, enabling symbolic plans to adapt to evolving world states.
What carries the argument
The knowledge graph that encodes object relations, spatial reachability, and robot capabilities to direct the LLM toward correct PDDL outputs and to detect when replanning is required.
If this is right
- Plans stay consistent with changing observations without requiring a human to rewrite the entire symbolic model.
- Heterogeneous teams coordinate more reliably because capability differences are explicitly represented in the shared graph.
- Replanning occurs only when the graph flags an inconsistency, avoiding unnecessary full replans.
- The same graph can be reused across multiple tasks, reducing the cost of starting each new mission from scratch.
Where Pith is reading between the lines
- In real deployments the graph could be populated directly from onboard perception pipelines rather than simulated observations.
- Extending the graph with temporal relations might allow the system to anticipate future inconsistencies before they occur.
- The framework's separation of persistent memory from the LLM could be applied to single-robot tasks that still require long-horizon symbolic reasoning.
Load-bearing premise
The knowledge graph can be kept accurate from robot observations and the LLM will reliably turn that graph into correct, consistent PDDL specifications.
What would settle it
Running the MAT-THOR experiments and observing that KGLAMP does not improve success rate by at least 25.3 percent over the LLM-only and PDDL baselines, or that plans fail because the generated PDDL files contain errors.
Figures
read the original abstract
Heterogeneous multi-robot systems are increasingly used in long-horizon missions requiring coordinated planning across diverse capabilities. However, existing planning approaches struggle to construct accurate symbolic representations and maintain plan consistency in dynamic environments. Classical PDDL planners require manually crafted symbolic models, while LLM-based planners often ignore agent heterogeneity and environmental uncertainty. We introduce KGLAMP, a knowledge-graph-guided LLM planning framework for heterogeneous multi-robot teams. The framework maintains a structured knowledge graph encoding object relations, spatial reachability, and robot capabilities, which guides the LLM in generating accurate PDDL problem specifications. The knowledge graph serves as a persistent, dynamically updated memory that incorporates new observations and triggers replanning upon detecting inconsistencies, enabling symbolic plans to adapt to evolving world states. Experiments on the MAT-THOR benchmark show that KGLAMP improves performance by at least 25.3% over both LLM-only and PDDL-based variants.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper introduces KGLAMP, a framework that maintains a dynamically updated knowledge graph encoding object relations, spatial reachability, and robot capabilities to guide an LLM in generating accurate PDDL problem specifications for planning and replanning in heterogeneous multi-robot teams. The KG acts as persistent memory that incorporates observations and triggers replanning on detected inconsistencies. The central claim is that KGLAMP achieves at least 25.3% performance improvement over LLM-only and classical PDDL baselines on the MAT-THOR benchmark.
Significance. If the reported gains are substantiated with controlled experiments and component-level validation, the work would offer a practical integration of symbolic representations with LLM flexibility for adaptive multi-robot planning under uncertainty and heterogeneity, addressing limitations of purely classical or neural approaches.
major comments (2)
- [Experiments] The experimental evaluation reports a 25.3% improvement on MAT-THOR but supplies no protocol details, statistical tests, error bars, baseline code or hyperparameter settings, or controls for heterogeneity/uncertainty; without these the central empirical claim cannot be verified or attributed to the KG-LLM-PDDL loop.
- [Framework and Evaluation] No separate metrics are provided for knowledge-graph triple precision/recall from raw observations or for syntactic/semantic correctness of LLM-generated PDDL; these are load-bearing assumptions for the replanning mechanism, yet only aggregate task success is reported.
minor comments (1)
- [Abstract] The abstract states the improvement percentage without defining the exact metric (success rate, completion time, etc.) or the number of trials.
Simulated Author's Rebuttal
We thank the referee for the constructive and detailed feedback. We agree that additional experimental details and component-level metrics are necessary to substantiate the claims and will revise the manuscript accordingly. Below we respond to each major comment.
read point-by-point responses
-
Referee: [Experiments] The experimental evaluation reports a 25.3% improvement on MAT-THOR but supplies no protocol details, statistical tests, error bars, baseline code or hyperparameter settings, or controls for heterogeneity/uncertainty; without these the central empirical claim cannot be verified or attributed to the KG-LLM-PDDL loop.
Authors: We acknowledge the need for greater transparency in the experimental protocol. In the revised manuscript we will add: (i) a full description of the evaluation protocol including number of independent trials per scenario, random seeds, and environment variations; (ii) statistical significance tests (paired t-tests or Wilcoxon signed-rank tests with p-values) comparing KGLAMP against baselines; (iii) error bars (standard deviation or 95% confidence intervals) on all reported success rates; (iv) explicit hyperparameter settings for the LLM (temperature, prompt templates) and classical planner; (v) links or pseudocode for baseline implementations; and (vi) dedicated ablation studies that isolate the contributions of heterogeneity handling and uncertainty detection. These additions will allow readers to reproduce the 25.3% aggregate improvement and attribute it specifically to the KG-LLM-PDDL loop. revision: yes
-
Referee: [Framework and Evaluation] No separate metrics are provided for knowledge-graph triple precision/recall from raw observations or for syntactic/semantic correctness of LLM-generated PDDL; these are load-bearing assumptions for the replanning mechanism, yet only aggregate task success is reported.
Authors: We agree that aggregate task success alone is insufficient to validate the core mechanisms. In the revision we will introduce and report two new evaluation sections: (1) Knowledge-graph quality metrics—precision, recall, and F1 for triples extracted from raw observations, measured against ground-truth annotations on a held-out subset of MAT-THOR episodes; (2) PDDL generation quality—syntactic validity rate (percentage of outputs accepted by a PDDL parser) and semantic correctness (percentage of generated problem files whose initial state and goal match the observed world state, verified by automated simulation or manual inspection on sampled cases). These metrics will be presented alongside the replanning frequency and overall success rates to demonstrate that the KG update and LLM-PDDL steps are reliable. revision: yes
Circularity Check
No circularity: framework combines standard components without self-referential derivations or fitted predictions
full rationale
The manuscript presents KGLAMP as an engineering combination of knowledge graphs for state tracking, LLMs for PDDL generation, and classical planners for execution, with dynamic updates and replanning on inconsistency detection. No equations, parameters, or derivations appear in the provided text that reduce by construction to inputs (e.g., no fitted scale parameters renamed as predictions, no uniqueness theorems imported from self-citations, no ansatzes smuggled via prior work). The 25.3% performance delta is an empirical claim on the MAT-THOR benchmark rather than a logical tautology. The derivation chain is therefore self-contained and non-circular.
Axiom & Free-Parameter Ledger
axioms (1)
- domain assumption LLMs guided by a structured knowledge graph can generate accurate and consistent PDDL problem specifications for heterogeneous robots.
Reference graph
Works this paper leans on
-
[1]
Multi-robot coordination and layout design for au- tomated warehousing
Yulun Zhang, Matthew C Fontaine, Varun Bhatt, Stefanos Nikolaidis, and Jiaoyang Li. Multi-robot coordination and layout design for au- tomated warehousing. InProceedings of the International Symposium on Combinatorial Search, volume 17, pages 305–306, 2024
work page 2024
-
[2]
Multi- robot task planning under individual and collaborative temporal logic specifications
Ruofei Bai, Ronghao Zheng, Meiqin Liu, and Senlin Zhang. Multi- robot task planning under individual and collaborative temporal logic specifications. InInternational Conference on Intelligent Robots and Systems (IROS), pages 6382–6389. IEEE, 2021
work page 2021
-
[3]
Piyush Gupta, Shaunak D Bopardikar, and Vaibhav Srivastava. In- centivizing collaboration in heterogeneous teams via common-pool resource games.IEEE Transactions on Automatic Control, 68(3):1902– 1909, 2022
work page 1902
-
[4]
Piyush Gupta, Shaunak D Bopardikar, and Vaibhav Srivastava. Achiev- ing efficient collaboration in decentralized heterogeneous teams using common-pool resource games. In58th Conference on Decision and Control (CDC), pages 6924–6929. IEEE, 2019
work page 2019
-
[5]
Ruikai Liu, Guangxi Wan, Maowei Jiang, Haojie Chen, and Peng Zeng. Autonomous robot task execution in flexible manufacturing: Integrating PDDL and behavior trees in ARIAC 2023.Biomimetics, 9(10):612, 2024
work page 2023
-
[6]
LLM+P: Empowering Large Language Models with Optimal Planning Proficiency
Bo Liu, Yuqian Jiang, Xiaohan Zhang, Qiang Liu, Shiqi Zhang, Joydeep Biswas, and Peter Stone. LLM+P: Empowering large lan- guage models with optimal planning proficiency.arXiv preprint arXiv:2304.11477, 2023
work page internal anchor Pith review Pith/arXiv arXiv 2023
-
[7]
Allen Z Ren, Anushri Dixit, Alexandra Bodrova, Sumeet Singh, Stephen Tu, Noah Brown, Peng Xu, Leila Takayama, Fei Xia, Jake Varley, et al. Robots that ask for help: Uncertainty alignment for large language model planners.arXiv preprint arXiv:2307.01928, 2023
-
[8]
Lin Guan, Karthik Valmeekam, Sarath Sreedharan, and Subbarao Kambhampati. Leveraging pre-trained large language models to construct and utilize world models for model-based task planning. Advances in Neural Information Processing Systems, 36:79081–79094, 2023
work page 2023
-
[9]
Barbara Arbanas Ferreira, Tamara Petrovi ´c, Matko Orsag, J Ramiro Mart´ınez-de Dios, and Stjepan Bogdan. Distributed allocation and scheduling of tasks with cross-schedule dependencies for heteroge- neous multi-robot teams.IEEE access, 12:74327–74342, 2024
work page 2024
-
[10]
Xiaopan Zhang, Hao Qin, Fuquan Wang, Yue Dong, and Jiachen Li. LaMMA-P: Generalizable multi-agent long-horizon task allocation and planning with LM-driven PDDL planner. InInternational Conference on Robotics and Automation, pages 10221–10221. IEEE, 2025
work page 2025
-
[11]
Iterative Formalization and Planning in Partially Observable Environments
Liancheng Gong, Wang Zhu, Jesse Thomason, and Li Zhang. Zero- shot iterative formalization and planning in partially observable envi- ronments.arXiv preprint arXiv:2505.13126, 2025
work page internal anchor Pith review Pith/arXiv arXiv 2025
-
[12]
Shivam Goel, Yichen Wei, Panagiotis Lymperopoulos, Kl ´ara Chur ´a, Matthias Scheutz, and Jivko Sinapov. NOVELGYM: A flexible ecosystem for hybrid planning and learning agents designed for open worlds.arXiv preprint arXiv:2401.03546, 2024
-
[13]
GFlowVLM: Enhancing multi-step reasoning in vision-language models with generative flow networks
Haoqiang Kang, Enna Sachdeva, Piyush Gupta, Sangjae Bae, and Kwonjoon Lee. GFlowVLM: Enhancing multi-step reasoning in vision-language models with generative flow networks. InProceedings of the Computer Vision and Pattern Recognition Conference, pages 3815–3825, 2025
work page 2025
-
[14]
Piyush Gupta, David Isele, Enna Sachdeva, Pin-Hao Huang, Behzad Dariush, Kwonjoon Lee, and Sangjae Bae. Generalized mission planning for heterogeneous multi-robot teams via LLM-constructed hierarchical trees. In2025 IEEE International Conference on Robotics and Automation (ICRA), pages 10187–10193, 2025
work page 2025
-
[15]
Yue Cao and CS Lee. Robot behavior-tree-based task generation with large language models.arXiv preprint arXiv:2302.12927, 2023
-
[16]
Haoqi Yuan, Chi Zhang, Hongcheng Wang, Feiyang Xie, Penglin Cai, Hao Dong, and Zongqing Lu. Skill reinforcement learning and planning for open-world long-horizon tasks.arXiv preprint arXiv:2303.16563, 2023
-
[17]
Lutfi Eren Erdogan, Nicholas Lee, Sehoon Kim, Suhong Moon, Hiroki Furuta, Gopala Anumanchipalli, Kurt Keutzer, and Amir Gholami. PLAN-AND-ACT: Improving planning of agents for long-horizon tasks.arXiv preprint arXiv:2503.09572, 2025
-
[18]
Smart-LLM: Smart multi-agent robot task planning using large language models
Shyam Sundar Kannan, Vishnunandan LN Venkatesh, and Byung- Cheol Min. Smart-LLM: Smart multi-agent robot task planning using large language models. In2024 IEEE/RSJ International Conference on Intelligent Robots and Systems, pages 12140–12147. IEEE, 2024
work page 2024
-
[19]
Graph-grounded LLMs: Leveraging graphical function calling to minimize LLM hallucinations
Piyush Gupta, Sangjae Bae, and David Isele. Graph-grounded LLMs: Leveraging graphical function calling to minimize LLM hallucinations. arXiv preprint arXiv:2503.10941, 2025
-
[20]
Fangru Lin, Emanuele La Malfa, Valentin Hofmann, Elle Michelle Yang, Anthony Cohn, and Janet B Pierrehumbert. Graph-enhanced large language models in asynchronous plan reasoning.arXiv preprint arXiv:2402.02805, 2024
-
[21]
Zhehui Huang, Guangyao Shi, Yuwei Wu, Vijay Kumar, and Gaurav S Sukhatme. Compositional coordination for multi-robot teams with large language models.arXiv preprint arXiv:2507.16068, 2025
-
[22]
COHERENT: Collaboration of heterogeneous multi-robot system with large language models
Kehui Liu, Zixin Tang, Dong Wang, Zhigang Wang, Xuelong Li, and Bin Zhao. COHERENT: Collaboration of heterogeneous multi-robot system with large language models. InInternational Conference on Robotics and Automation, pages 10208–10214. IEEE, 2025
work page 2025
-
[23]
M2PA: A multi-memory planning agent for open worlds inspired by cognitive theory
YanfangZhou YanfangZhou, Xiaodong Li, Yuntao Liu, Yongqiang Zhao, Xintong Wang, Zhenyu Li, Jinlong Tian, and Xinhai Xu. M2PA: A multi-memory planning agent for open worlds inspired by cognitive theory. InFindings of the Association for Computational Linguistics: ACL 2025, pages 23204–23220, 2025
work page 2025
-
[24]
Tomoyuki Kagaya, Thong Jing Yuan, Yuxuan Lou, Jayashree Karlekar, Sugiri Pranata, Akira Kinose, Koki Oguri, Felix Wick, and Yang You. RAP: Retrieval-augmented planning with contextual memory for multimodal LLM agents.arXiv preprint arXiv:2402.03610, 2024
-
[25]
REMEMBER: Building and reasoning over long-horizon spatio-temporal memory for robot navigation
Abrar Anwar, John Welsh, Joydeep Biswas, Soha Pouya, and Yan Chang. REMEMBER: Building and reasoning over long-horizon spatio-temporal memory for robot navigation. InInternational Con- ference on Robotics and Automation, pages 2838–2845. IEEE, 2025
work page 2025
-
[26]
Zaijing Li, Yuquan Xie, Rui Shao, Gongwei Chen, Dongmei Jiang, and Liqiang Nie. OPTIMUS-1: Hybrid multimodal memory empowered agents excel in long-horizon tasks.Advances in neural information processing systems, 37:49881–49913, 2024
work page 2024
-
[27]
KARMA: Augmenting embodied ai agents with long-and-short term memory systems
Zixuan Wang, Bo Yu, Junzhe Zhao, Wenhao Sun, Sai Hou, Shuai Liang, Xing Hu, Yinhe Han, and Yiming Gan. KARMA: Augmenting embodied ai agents with long-and-short term memory systems. In International Conference on Robotics and Automation, pages 1–8. IEEE, 2025
work page 2025
-
[28]
L3M+ P: Lifelong planning with large language models.arXiv preprint arXiv:2508.01917, 2025
Krish Agarwal, Yuqian Jiang, Jiaheng Hu, Bo Liu, and Peter Stone. L3M+ P: Lifelong planning with large language models.arXiv preprint arXiv:2508.01917, 2025
-
[29]
Learning STRIPS action models with classical planning
Diego Aineto, Sergio Jim ´enez, and Eva Onaindia. Learning STRIPS action models with classical planning. InProceedings of the Interna- tional Conference on Automated Planning and Scheduling, volume 28, pages 399–407, 2018
work page 2018
-
[30]
The fast downward planning system.Journal of Artificial Intelligence Research, 26:191–246, 2006
Malte Helmert. The fast downward planning system.Journal of Artificial Intelligence Research, 26:191–246, 2006
work page 2006
-
[31]
GPT-5.https://openai.com/gpt-5/, 2025
OpenAI. GPT-5.https://openai.com/gpt-5/, 2025. Ac- cessed: 2025-12-03
work page 2025
-
[32]
Piyush Gupta, Sangjae Bae, Jiachen Li, and David Isele. Scale-Plan: Scalable language-enabled task planning for heterogeneous multi-robot teams.arXiv preprint arXiv:2603.08814, 2026
-
[33]
AI2-THOR: An Interactive 3D Environment for Visual AI
Eric Kolve, Roozbeh Mottaghi, Winson Han, Eli VanderBilt, Luca Weihs, Alvaro Herrasti, Matt Deitke, Kiana Ehsani, Daniel Gordon, Yuke Zhu, et al. AI2-THOR: An interactive 3D environment for visual AI.arXiv preprint arXiv:1712.05474, 2017
work page internal anchor Pith review Pith/arXiv arXiv 2017
-
[34]
Zihao Zhou, Bin Hu, Chenyang Zhao, Pu Zhang, and Bin Liu. Large language model as a policy teacher for training reinforcement learning agents.arXiv preprint arXiv:2311.13373, 2023
-
[35]
Jason Wei, Xuezhi Wang, Dale Schuurmans, Maarten Bosma, Fei Xia, Ed Chi, Quoc V Le, Denny Zhou, et al. Chain-of-thought prompting elicits reasoning in large language models.Advances in neural information processing systems, 35:24824–24837, 2022
work page 2022
-
[36]
SayPlan: grounding large language models using 3d scene graphs for scalable task planning
Krishan Rana, Jesse Haviland, Sourav Garg, Jad Abou-Chakra, Ian Reid, and Niko Suenderhauf. SayPlan: grounding large language models using 3d scene graphs for scalable task planning. In7th Annual Conference on Robot Learning, 2023
work page 2023
-
[37]
Hierarchical planning for complex tasks with knowledge graph-rag and symbolic verification
Flavio Petruzzellis, Cristina Cornelio, and Pietro Lio. Hierarchical planning for complex tasks with knowledge graph-rag and symbolic verification. InForty-Second International Conference on Machine Learning (ICML), 2025
work page 2025
-
[38]
The Llama 3 herd of models, 2024
Llama Team, AI @ Meta. The Llama 3 herd of models, 2024
work page 2024
-
[39]
Marah Abdin, Jyoti Aneja, Harkirat Behl, S ´ebastien Bubeck, Ronen Eldan, Suriya Gunasekar, Michael Harrison, Russell J Hewett, Mojan Javaheripi, Piero Kauffmann, et al. Phi-4 technical report.arXiv preprint arXiv:2412.08905, 2024
work page internal anchor Pith review Pith/arXiv arXiv 2024
-
[40]
Jiang, Alexandre Sablayrolles, Antoine Roux, et al
Albert Q. Jiang, Alexandre Sablayrolles, Antoine Roux, et al. Mistral 7b, 2023
work page 2023
-
[41]
An Yang, Baosong Yang, Binyuan Hui, et al. Qwen2 technical report, 2024
work page 2024
-
[42]
Piyush Gupta, David Isele, and Sangjae Bae. Towards scalable & efficient interaction-aware planning in autonomous vehicles using knowledge distillation. In2024 IEEE Intelligent Vehicles Symposium (IV), pages 2735–2742. IEEE, 2024
work page 2024
discussion (0)
Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.