REVIEW 4 major objections 4 minor 36 references
GDLLM: A Global Distance-aware Modeling Approach Based on Large Language Models for Event Temporal Relation Extraction
T0 review · 4 major / 4 minor · reviewed 2026-08-05 · deepseek-v4-flash
Pith's one-line read GDLLM reports 87.5 micro-F1 on TB-Dense and 90.9 on MATRES by routing LLM probability distributions through a two-layer graph attention network.
desk verdict Solid new idea—LLM softmax vectors as GAT edge features—but single-run results and a thin evaluation make the SOTA claim unproven. 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 load-bearing mechanism is the distance-aware graph attention module with soft-inference edge features. Events are nodes; each node feature encodes the event's order and type. Every edge carries the LLM's probability distribution over relation classes instead of a hard predicted label. A two-layer multi-head graph attention network with eight heads computes attention coefficients that depend on the source node, target node, and this probability vector, allowing the network to weigh evidence from distant events. The second layer's head outputs are averaged, and the final classifier concatenates the two node representations with the original probability vector, splitting the global feature
What would settle it
Take the trained GDLLM model on MATRES and delete the direct probability vector from the final classifier, keeping only the two graph node representations; if micro-F1 remains near 90.9, the graph is not adding information beyond the LLM probabilities. A complementary check is a graph-free baseline that feeds the LLM probability vector through a linear layer and compares its micro-F1.
Extended reading notes
Core claim
The paper's central claim: the bottleneck in event temporal relation extraction is not the language model's knowledge but how its outputs are used. GDLLM fine-tunes an LLM with LoRA to emit a probability vector over relation classes for each event pair, then uses those vectors as edge features in a two-layer, eight-head graph attention network over a document-level event graph. Attention weights combine node features with the probability vector, so soft evidence propagates between distant events while the same vector stays in the final classifier for short-distance pairs. With Llama3.1-8B this yields 87.5 micro-F1 on TB-Dense and 90.9 on MATRES, 1.9 and 0.5 points above the previous best, wi
Load-bearing premise
The load-bearing premise is that the LLM's probability distribution over relation classes carries reliable relational evidence and that the graph attention module adds non-redundant structure on top of it; if the graph output merely echoes those probabilities, the reported gains would collapse.
Editorial extensions
If this is right
- LLM-based event temporal relation extraction can avoid hand-written prompt templates entirely; probability outputs become the interface between the language model and downstream structure.
- Minority temporal relations improve enough that the micro-macro gap narrows, so downstream applications needing rare relations such as SIMULTANEOUS would see better recall.
- The method transfers across LLMs: Qwen2.5-7B also beats the previous state of the art, suggesting the graph component is not tied to a single model.
- Even in zero-shot mode, with no LoRA fine-tuning and fixed graph parameters, the approach outperforms earlier manually prompted zero-shot systems on MATRES.
- Removing the graph module hurts more than removing the soft-probability edge features, indicating long-distance event pairs are the main source of error this architecture recovers.
Reading between the lines
- A plausible testable consequence is that the base LLM matters less than the calibration of its probability outputs; a smaller, well-calibrated model might capture much of the gain at lower cost.
- The paper does not isolate whether the graph's benefit comes from multi-head attention or from the probability edge features; replacing GAT with a distance-weighted transformer would separate structural propagation from attention.
- Because the final classifier concatenates the raw probability vector alongside graph outputs, a stronger ablation would remove that direct path to show whether the graph genuinely adds information or just reweights the LLM's own distribution.
- The distance-5 result shows only a small gain over the version without soft inference, suggesting very long event chains may need a different inductive bias such as hierarchical or recurrent graph layers.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper proposes GDLLM, a two-stage method for event temporal relation extraction. A LoRA-fine-tuned LLM (Llama3.1-8B or Qwen2.5-7B) produces a probability distribution over relation classes for each event pair; these probability vectors are used as edge features in a two-layer, 8-head GAT built over event nodes in a document. The final classifier concatenates the GAT output representations with the LLM probability vector and classifies via a fully connected layer and softmax. The method is evaluated on TB-Dense and MATRES, reporting micro-F1 scores of 87.5 and 90.9 with Llama3.1-8B, which the paper claims are state-of-the-art. The paper also includes ablations (w/o LP, w/o GD, w/o PI), a distance-conditioned analysis, a zero-shot comparison, t-SNE visualizations, and a comparison with GNN-based benchmarks.
Significance. If the reported results are reliable, the core idea—using an LLM's probability distribution as soft edge features in a GAT to capture both long-distance and short-distance temporal dependencies—is a meaningful and well-motivated contribution. The design is sensible, the distance-conditioned analysis in Table 4 provides qualitative support, and the paper is transparent about some limitations, such as the Qwen model's weakness on the EQUAL class. The main significance is limited by the absence of statistical reliability evidence: the MATRES gain over the prior SOTA is only 0.5 micro-F1, and a single run cannot establish superiority. The TB-Dense gain of 1.9 points is larger but still needs variance estimates.
major comments (4)
- [§3.3, Table 1] The central SOTA claim on MATRES rests on a 0.5-point micro-F1 improvement over MulCo (90.9 vs 90.4). The paper reports one run per configuration with no standard deviation, no number of seeds, and no significance test. Neural models on MATRES typically exhibit seed variance of at least ±0.5 F1, so this margin may be noise. Please report mean ± std over multiple seeds (e.g., 5) and a paired significance test for the comparisons with MulCo, and also for the TB-Dense results.
- [§3.2, HEBO] The hyperparameter optimization procedure is described only as 'we employ the HEBO algorithm.' It is not stated whether HEBO optimizes on a fixed validation split or directly on the test set, what the search space is, or which final hyperparameters were selected. If test-set performance was used for model selection, the reported numbers are optimistically biased and not directly comparable to baselines. Please specify the validation protocol and report the final hyperparameters (learning rate, weight decay, batch size, GAT hidden dimensions, etc.).
- [§3.5, Tables 2 and 3] The 'w/o LP' ablation removes the entire LLM component, not just the probability generation: the GAT then receives only the dataset-derived node features. The resulting drop (e.g., from 90.9 to 68.7 on MATRES) shows that the LLM is essential, but it does not isolate the contribution of the probabilistic edge features. The 'w/o PI' ablation partly addresses this by replacing probabilities with hard labels, but the description of 'w/o LP' should be revised so readers do not interpret it as a controlled ablation of probability information.
- [§3.1, §3.2] The evaluation protocol is not fully reproducible: data splits are said to follow prior work, but no split details are given, and no code or configuration is released. Given that the contribution is an empirical pipeline and the SOTA claim is quantitative, please provide a detailed setup (data splits, event marker preprocessing, LoRA configuration, and GAT layer specifics) and consider releasing code to allow independent verification.
minor comments (4)
- [§2.2, Eq. (1)] The notation in Eq. (1) is inconsistent: the numerator uses e^{z_r} with index r, while the denominator sums e^{z_n} over n=1..c. Please unify the index notation. Also, 'in the inference process of LoRA tuning' is awkward; the probability is generated after fine-tuning, not during inference of LoRA tuning.
- [§2.3, Graph feature construction] The node feature construction is vague: 'Each event Ei and its order and type information are both represented as a node' and 'node features are obtained from the dataset corresponding to the event.' Please specify how event order, event type, and any contextual embeddings are encoded into h_i^(0).
- [§3.7, Figure 5] The main claim says the method works 'without manually designed prompts or instructions,' but the zero-shot experiments use hand-crafted prompts. This is not contradictory for the main pipeline, but the text should clarify that the prompt-free claim applies to the fine-tuned GDLLM pipeline, not to the zero-shot setting.
- [Throughout] There are several typos and formatting issues: 'realtion', 'Manully' in Figure 5, 'V anilla', and inconsistent capitalization in figure/table captions. Please proofread.
Circularity Check
No significant circularity; the pipeline is a standard two-stage supervised design with ablations that isolate each component, and the only self-citation is non-load-bearing.
full rationale
GDLLM is an empirical supervised pipeline rather than a formal derivation. The LoRA-fine-tuned LLM produces probability vectors p_ij (Eq. 1); the GAT uses these vectors as edge features (Eqs. 2-5), and the final classifier concatenates h_i, p_ij, h_j (Eq. 6). This is stacking of a fitted LLM with a GAT, not an equivalence-by-construction: the paper's ablations show each component contributes independently (w/o LP drops MATRES F1 to 68.7, w/o GD to 78.1, w/o PI to 82.6 vs 90.9 for the full model). The final classifier's direct use of p_ij is an explicit design choice, not a hidden reuse that makes the output equal to the input: the GAT adds a structural transformation over the document graph that is empirically nontrivial. The only self-citation is the authors' earlier TCT (Ning et al. 2024), used as a baseline and as a reference for the standard data split and micro-F1-with-VAGUE-excluded metric; it is not invoked as a uniqueness theorem or as justification for the method's core mechanism. No ansatz is smuggled via citation and no known result is merely renamed. The fragility of the MATRES SOTA margin (0.5 F1 over MulCo) is a statistical/evaluation concern, not a circularity concern.
Assumptions & free parameters
free parameters (5)
- LoRA rank =
16
- Number of GAT layers =
2
- Number of attention heads per GAT layer =
8
- Hidden dimensions (dh, dh1, dh2) =
not reported
- Learning rate, weight decay, batch size =
not reported
assumptions (5)
- domain assumption LLM-generated probability distributions are more accurate than SLM-generated ones
- domain assumption GAT with multi-head attention can effectively capture long-distance dependencies between events
- domain assumption Probability distributions as edge features are more informative than 0/1 hard labels
- domain assumption The distance between events defined as the number of intervening events is a meaningful proxy for dependency difficulty
- domain assumption Micro-F1 with VAGUE excluded is the standard evaluation metric
Cite this review
Pith. "Pith review of GDLLM: A Global Distance-aware Modeling Approach Based on Large Language Models for Event Temporal Relation Extraction." pith.science (2026). https://pith.science/paper/3GOGVDTL
@misc{pith2026250820828,
author = {Pith},
title = {Pith review of: GDLLM: A Global Distance-aware Modeling Approach Based on Large Language Models for Event Temporal Relation Extraction},
year = {2026},
howpublished = {\url{https://pith.science/paper/3GOGVDTL}},
note = {Machine review of arXiv:2508.20828}
}
read the original abstract
In Natural Language Processing(NLP), Event Temporal Relation Extraction (ETRE) is to recognize the temporal relations of two events. Prior studies have noted the importance of language models for ETRE. However, the restricted pre-trained knowledge of Small Language Models(SLMs) limits their capability to handle minority class relations in imbalanced classification datasets. For Large Language Models(LLMs), researchers adopt manually designed prompts or instructions, which may introduce extra noise, leading to interference with the model's judgment of the long-distance dependencies between events. To address these issues, we propose GDLLM, a Global Distance-aware modeling approach based on LLMs. We first present a distance-aware graph structure utilizing Graph Attention Network(GAT) to assist the LLMs in capturing long-distance dependency features. Additionally, we design a temporal feature learning paradigm based on soft inference to augment the identification of relations with a short-distance proximity band, which supplements the probabilistic information generated by LLMs into the multi-head attention mechanism. Since the global feature can be captured effectively, our framework substantially enhances the performance of minority relation classes and improves the overall learning ability. Experiments on two publicly available datasets, TB-Dense and MATRES, demonstrate that our approach achieves state-of-the-art (SOTA) performance.
Figures
Figures from the paper (4 more)
Reference graph
Works this paper leans on
-
[1]
online" 'onlinestring :=
ENTRY address archivePrefix author booktitle chapter edition editor eid eprint eprinttype howpublished institution journal key month note number organization pages publisher school series title type volume year doi pubmed url lastchecked label extra.label sort.label short.list INTEGERS output.state before.all mid.sentence after.sentence after.block STRING...
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[2]
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" write newline "" before.all 'output.state := FUNCTION n.dashify 't := "" t empty not t #1 #1 substring "-" = t #1 #2 substring "--" = not "--" * t #2 global.max substring 't := t #1 #1 substring "-" = "-" * t #2 global.max substring 't := while if t #1 #1 substring * t #2 global.max substring 't := if while FUNCTION word.in bbl.in capitalize " " * FUNCT...
-
[3]
Miguel Ballesteros, Rishita Anubhai, Shuai Wang, Nima Pourdamghani, Yogarshi Vyas, Jie Ma, Parminder Bhatia, Kathleen Mckeown, and Yaser Al-Onaizan. 2020. Severing the edge between before and after: Neural architectures for temporal ordering of events. In Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP), pages...
work page 2020
-
[4]
Taylor Cassidy, Bill McDowell, Nathanael Chambers, and Steven Bethard. 2014. An annotation framework for dense event ordering. In Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers), pages 501--506
work page 2014
-
[5]
Xingyu Chen, Jiahao Xu, Tian Liang, Zhiwei He, Jianhui Pang, Dian Yu, Linfeng Song, Qiuzhi Liu, Mengfei Zhou, Zhuosheng Zhang, and 1 others. 2024. Do not think that much for 2+ 3=? on the overthinking of o1-like llms. arXiv preprint arXiv:2412.21187
arXiv 2024
-
[6]
Fei Cheng, Masayuki Asahara, Ichiro Kobayashi, and Sadao Kurohashi. 2020. Dynamically updating event representations for temporal relation classification with multi-category learning. In Findings of the Association for Computational Linguistics: EMNLP 2020, pages 1352--1357
work page 2020
-
[7]
Xingjian Diao, Chunhui Zhang, Weiyi Wu, Zhongyu Ouyang, Peijun Qing, Ming Cheng, Soroush Vosoughi, and Jiang Gui. 2025. Temporal working memory: Query-guided segment refinement for enhanced multimodal understanding. arXiv preprint arXiv:2502.06020
arXiv 2025
-
[8]
Hong Guan, Jianfu Li, Hua Xu, and Murthy Devarakonda. 2021. Robustly pre-trained neural model for direct temporal relation extraction. In 2021 IEEE 9th International Conference on Healthcare Informatics (ICHI), pages 501--502. IEEE
work page 2021
Show all 36 references
-
[9]
Rujun Han, I-Hung Hsu, Mu Yang, Aram Galstyan, Ralph Weischedel, and Nanyun Peng. 2019. Deep structured neural network for event temporal relation extraction. In Proceedings of the 23rd Conference on Computational Natural Language Learning (CoNLL), pages 666--106
2019
-
[10]
Rujun Han, Yichao Zhou, and Nanyun Peng. 2020. Domain knowledge empowered structured neural net for end-to-end event temporal relation extraction. In Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP), pages 5717--5729
2020
-
[11]
Edward J Hu, Yelong Shen, Phillip Wallis, Zeyuan Allen-Zhu, Yuanzhi Li, Shean Wang, Lu Wang, Weizhu Chen, and 1 others. 2022. Lora: Low-rank adaptation of large language models. ICLR, 1(2):3
2022
-
[12]
Zhilei Hu, Zixuan Li, Xiaolong Jin, Long Bai, Jiafeng Guo, and Xueqi Cheng. 2025. Large language model-based event relation extraction with rationales. In Proceedings of the 31st International Conference on Computational Linguistics, pages 7484--7496
2025
-
[13]
Quzhe Huang, Yutong Hu, Shengqi Zhu, Yansong Feng, Chang Liu, and Dongyan Zhao. 2023. More than classification: A unified framework for event temporal relation extraction. In Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Lon...
2023
-
[14]
Aaron Hurst, Adam Lerer, Adam P Goucher, Adam Perelman, Aditya Ramesh, Aidan Clark, AJ Ostrow, Akila Welihinda, Alan Hayes, Alec Radford, and 1 others. 2024. Gpt-4o system card. arXiv preprint arXiv:2410.21276
2024 arXiv
-
[15]
Mike Lewis, Yinhan Liu, Naman Goyal, Marjan Ghazvininejad, Abdelrahman Mohamed, Omer Levy, Veselin Stoyanov, and Luke Zettlemoyer. 2020. Bart: Denoising sequence-to-sequence pre-training for natural language generation, translation, and comprehension. In Proceedings of the 58t...
2020
-
[16]
Yinhan Liu, Myle Ott, Naman Goyal, Jingfei Du, Mandar Joshi, Danqi Chen, Omer Levy, Mike Lewis, Luke Zettlemoyer, and Veselin Stoyanov. 2019. Roberta: A robustly optimized bert pretraining approach. arXiv preprint arXiv:1907.11692
2019 arXiv
-
[17]
Hieu Man, Nghia Trung Ngo, Linh Ngo Van, and Thien Huu Nguyen. 2022. Selecting optimal context sentences for event-event relation extraction. In Proceedings of the AAAI conference on artificial intelligence, volume 36, pages 11058--11066
2022
-
[18]
Inderjeet Mani, Marc Verhagen, Ben Wellner, Chungmin Lee, and James Pustejovsky. 2006. Machine learning of temporal relations. In Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguist...
2006
-
[19]
Puneet Mathur, Rajiv Jain, Franck Dernoncourt, Vlad Morariu, Quan Hung Tran, and Dinesh Manocha. 2021. Timers: document-level temporal relation extraction. In Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joi...
2021
-
[20]
Qiang Ning, Sanjay Subramanian, and Dan Roth. 2019. An improved neural baseline for temporal relation extraction. In Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing...
2019
-
[21]
Wanting Ning, Lishuang Li, Xueyang Qin, Yubo Feng, and Jingyao Tang. 2024. Temporal cognitive tree: A hierarchical modeling approach for event temporal relation extraction. In Findings of the Association for Computational Linguistics: EMNLP 2024, pages 855--864
2024
-
[22]
Yunxiao Shi, Wujiang Xu, Zhang Zeqi, Xing Zi, Qiang Wu, and Min Xu. 2025. https://doi.org/10.18653/v1/2025.findings-acl.300 P ersona X : A recommendation agent-oriented user modeling framework for long behavior sequence . In Findings of the Association for Computational Lingui...
2025 doi
-
[23]
Yunxiao Shi, Xing Zi, Zijing Shi, Haimin Zhang, Qiang Wu, and Min Xu. 2024. https://doi.org/10.3233/FAIA240748 Enhancing retrieval and managing retrieval: A four-module synergy for improved quality and efficiency in rag systems . In ECAI 2024, pages 2258--2265. IOS Press
2024 doi
-
[24]
Xingwei Tan, Gabriele Pergola, and Yulan He. 2021. Extracting event temporal relations via hyperbolic geometry. In Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing, pages 8065--8077
2021
-
[25]
Xingwei Tan, Gabriele Pergola, and Yulan He. 2023. Event temporal relation extraction with bayesian translational model. In Proceedings of the 17th Conference of the European Chapter of the Association for Computational Linguistics, pages 1125--1138
2023
-
[26]
Naushad UzZaman, Hector Llorens, Leon Derczynski, James Allen, Marc Verhagen, and James Pustejovsky. 2013. Semeval-2013 task 1: Tempeval-3: Evaluating time expressions, events, and temporal relations. In Second joint conference on lexical and computational semantics (* SEM), v...
2013
-
[27]
Haoyu Wang, Muhao Chen, Hongming Zhang, and Dan Roth. 2020. Joint constrained learning for event-event relation extraction. In Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP), pages 696--706
2020
-
[28]
Haoyang Wen and Heng Ji. 2021. Utilizing relative event time to enhance event-event temporal relation extraction. In Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing, pages 10431--10437
2021
-
[29]
Jun Xu, Mengshu Sun, Zhiqiang Zhang, and Jun Zhou. 2025. Maqinstruct: Instruction-based unified event relation extraction. arXiv preprint arXiv:2502.03954
2025 arXiv
-
[30]
Hao-Ren Yao, Luke Breitfeller, Aakanksha Naik, Chunxiao Zhou, and Carolyn Rose. 2024. Distilling multi-scale knowledge for event temporal relation extraction. In Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, pages 2971--2980
2024
-
[31]
Katsumasa Yoshikawa, Sebastian Riedel, Masayuki Asahara, and Yuji Matsumoto. 2009. Jointly identifying temporal relations with markov logic. In Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Langu...
2009
-
[32]
Chenhan Yuan, Qianqian Xie, and Sophia Ananiadou. 2023. Zero-shot temporal relation extraction with chatgpt. In The 22nd Workshop on Biomedical Natural Language Processing and BioNLP Shared Tasks, pages 92--102
2023
-
[33]
Chenhan Yuan, Qianqian Xie, and Sophia Ananiadou. 2024. Temporal relation extraction with contrastive prototypical sampling. Knowledge-Based Systems, 286:111410
2024
-
[34]
Shuaicheng Zhang, Qiang Ning, and Lifu Huang. 2022. Extracting temporal event relation with syntax-guided graph transformer. In Findings of the Association for Computational Linguistics: NAACL 2022, pages 379--390
2022
-
[35]
Jie Zhou, Shenpo Dong, Hongkui Tu, Xiaodong Wang, and Yong Dou. 2022. Rsgt: relational structure guided temporal relation extraction. In Proceedings of the 29th international conference on computational linguistics, pages 2001--2010
2022
-
[36]
Ling Zhuang, Hao Fei, and Po Hu. 2023. Knowledge-enhanced event relation extraction via event ontology prompt. Information Fusion, 100:101919
2023
Reviewed August 5, 2026 · model on record in the stance chip above.
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