2026

Forward-Chaining Temporal Point Process
Forward-Chaining Temporal Point Process

Chao Yang, Wendi Ren, Shuang Li

The International Conference on Machine Learning (ICML) 2026

FC-TPP enables controllable and constraint-aware continuous-time event sequence generation by coupling temporal point processes with differentiable multi-hop logical reasoning in latent symbolic space.

Forward-Chaining Temporal Point Process

Chao Yang, Wendi Ren, Shuang Li

The International Conference on Machine Learning (ICML) 2026

FC-TPP enables controllable and constraint-aware continuous-time event sequence generation by coupling temporal point processes with differentiable multi-hop logical reasoning in latent symbolic space.

Branching Diffusion for Point Processes in Time and Space
Branching Diffusion for Point Processes in Time and Space

Chao Yang, Wenjie Shen, Shuang Li

The International Conference on Machine Learning (ICML) 2026

We propose a non-autoregressive diffusion framework for temporal and spatio-temporal point processes derived from the Wasserstein–Fisher–Rao gradient flow, enabling principled generation via configuration-level denoising.

Branching Diffusion for Point Processes in Time and Space

Chao Yang, Wenjie Shen, Shuang Li

The International Conference on Machine Learning (ICML) 2026

We propose a non-autoregressive diffusion framework for temporal and spatio-temporal point processes derived from the Wasserstein–Fisher–Rao gradient flow, enabling principled generation via configuration-level denoising.

Deliberate-When-Needed: Flow-Reasoner for Neuro-Symbolic Continuous Thought
Deliberate-When-Needed: Flow-Reasoner for Neuro-Symbolic Continuous Thought

Wenjie Shen*, Boyang Li*, Chao Yang, Shuang Li (* equal contribution)

The International Conference on Artificial Intelligence and Statistics (AISTATS) 2026

We propose Deliberate-When-Needed, a continuous-time model that marries neural ODEs with temporal point processes to explain action generation through interpretable, multi-hop reasoning.

Deliberate-When-Needed: Flow-Reasoner for Neuro-Symbolic Continuous Thought

Wenjie Shen*, Boyang Li*, Chao Yang, Shuang Li (* equal contribution)

The International Conference on Artificial Intelligence and Statistics (AISTATS) 2026

We propose Deliberate-When-Needed, a continuous-time model that marries neural ODEs with temporal point processes to explain action generation through interpretable, multi-hop reasoning.

From Counts to Preferences: Preference-Driven Models for Spatio-Temporal Event Data
From Counts to Preferences: Preference-Driven Models for Spatio-Temporal Event Data

Chao Yang*, Yiling Kuang*, Shuang Li (* equal contribution)

The International Conference on Artificial Intelligence and Statistics (AISTATS) 2026

We introduce a preference-driven framework that models event distributions through a two-stage “consider–then–choose” process.

From Counts to Preferences: Preference-Driven Models for Spatio-Temporal Event Data

Chao Yang*, Yiling Kuang*, Shuang Li (* equal contribution)

The International Conference on Artificial Intelligence and Statistics (AISTATS) 2026

We introduce a preference-driven framework that models event distributions through a two-stage “consider–then–choose” process.

Learning Human Habits with Rule-Guided Active Inference
Learning Human Habits with Rule-Guided Active Inference

Zhiren Gong, Chao Yang, Wendi Ren, Shuang Li

The International Conference on Learning Representations (ICLR) 2026

A novel cognitive framework in which agents iteratively update their internal world models based on historical data through optimization, and use these models to plan and select future actions.

Learning Human Habits with Rule-Guided Active Inference

Zhiren Gong, Chao Yang, Wendi Ren, Shuang Li

The International Conference on Learning Representations (ICLR) 2026

A novel cognitive framework in which agents iteratively update their internal world models based on historical data through optimization, and use these models to plan and select future actions.

2025

Discovering Logic-Informed Intrinsic Rewards to Explain Human Policies
Discovering Logic-Informed Intrinsic Rewards to Explain Human Policies

Chengzhi Cao*, Yinghao Fu*, Chao Yang, Shuang Li (* equal contribution)

ICML Workshop (PRAL) 2025

Uses inverse reinforcement learning with a neural logic tree generator to extract interpretable logical rules and intrinsic rewards from expert demonstrations, explaining human decision policies.

Discovering Logic-Informed Intrinsic Rewards to Explain Human Policies

Chengzhi Cao*, Yinghao Fu*, Chao Yang, Shuang Li (* equal contribution)

ICML Workshop (PRAL) 2025

Uses inverse reinforcement learning with a neural logic tree generator to extract interpretable logical rules and intrinsic rewards from expert demonstrations, explaining human decision policies.

Evolving Minds: Logic-Informed Inference from Temporal Action Patterns
Evolving Minds: Logic-Informed Inference from Temporal Action Patterns

Chao Yang, Shuting Cui, Yang Yang, Shuang Li

The International Conference on Machine Learning (ICML) 2025

Models latent human mental states from irregular actions using a logic-informed TPP with variational EM, enabling accurate inference and prediction of behavior.

Evolving Minds: Logic-Informed Inference from Temporal Action Patterns

Chao Yang, Shuting Cui, Yang Yang, Shuang Li

The International Conference on Machine Learning (ICML) 2025

Models latent human mental states from irregular actions using a logic-informed TPP with variational EM, enabling accurate inference and prediction of behavior.

Flow-Based Delayed Hawkes Process
Flow-Based Delayed Hawkes Process

Chao Yang, Wendi Ren, Shuang Li

The Conference on Uncertainty in Artificial Intelligence (UAI) 2025

Enhances delayed Hawkes processes with normalizing flows to achieve greater flexibility and expressiveness while preserving interpretability, supported by theoretical guarantees and improved performance.

Flow-Based Delayed Hawkes Process

Chao Yang, Wendi Ren, Shuang Li

The Conference on Uncertainty in Artificial Intelligence (UAI) 2025

Enhances delayed Hawkes processes with normalizing flows to achieve greater flexibility and expressiveness while preserving interpretability, supported by theoretical guarantees and improved performance.

Who Should Be Consulted? Targeted Expert Selection for Rare Disease Diagnosis
Who Should Be Consulted? Targeted Expert Selection for Rare Disease Diagnosis

Yinghao Fu*, Chao Yang*, Xinye Chen, Yuting Yan, Shuang Li (* equal contribution)

ICML Workshop (CFAgentic) 2025 Oral

Proposes a dynamic, rule-guided framework that selectively engages the most relevant experts for each case, improving diagnostic accuracy and efficiency in rare disease decision-making.

Who Should Be Consulted? Targeted Expert Selection for Rare Disease Diagnosis

Yinghao Fu*, Chao Yang*, Xinye Chen, Yuting Yan, Shuang Li (* equal contribution)

ICML Workshop (CFAgentic) 2025 Oral

Proposes a dynamic, rule-guided framework that selectively engages the most relevant experts for each case, improving diagnostic accuracy and efficiency in rare disease decision-making.

2024

Neuro-Symbolic Temporal Point Processes
Neuro-Symbolic Temporal Point Processes

Yang Yang, Chao Yang, Boyang Li, Yinghao Fu, Shuang Li

The International Conference on Machine Learning (ICML) 2024

Introduces a neuro-symbolic TPP framework that learns compact, interpretable temporal logic rules end-to-end, achieving efficient and accurate explanation of irregular events.

Neuro-Symbolic Temporal Point Processes

Yang Yang, Chao Yang, Boyang Li, Yinghao Fu, Shuang Li

The International Conference on Machine Learning (ICML) 2024

Introduces a neuro-symbolic TPP framework that learns compact, interpretable temporal logic rules end-to-end, achieving efficient and accurate explanation of irregular events.

Latent Logic Tree Extraction for Event Sequence Explanation from LLMs
Latent Logic Tree Extraction for Event Sequence Explanation from LLMs

Zitao Song, Chao Yang, Chaojie Wang, Bo An, Shuang Li

The International Conference on Machine Learning (ICML) 2024

Combines LLM priors with a TPP-based EM framework to extract interpretable logic-tree explanations for event sequences, using GFlowNet to efficiently explore complex rule spaces.

Latent Logic Tree Extraction for Event Sequence Explanation from LLMs

Zitao Song, Chao Yang, Chaojie Wang, Bo An, Shuang Li

The International Conference on Machine Learning (ICML) 2024

Combines LLM priors with a TPP-based EM framework to extract interpretable logic-tree explanations for event sequences, using GFlowNet to efficiently explore complex rule spaces.

Unveiling Latent Causal Rules: A Temporal Point Process Approach for Abnormal Event Explanation
Unveiling Latent Causal Rules: A Temporal Point Process Approach for Abnormal Event Explanation

Yiling Kuang*, Chao Yang*, Yang Yang, Shuang Li (* equal contribution)

The International Conference on Artificial Intelligence and Statistics (AISTATS) 2024

We use temporal point processes and an EM framework to uncover latent causal “if–then” rules, enabling interpretable explanations and root-cause analysis of abnormal events.

Unveiling Latent Causal Rules: A Temporal Point Process Approach for Abnormal Event Explanation

Yiling Kuang*, Chao Yang*, Yang Yang, Shuang Li (* equal contribution)

The International Conference on Artificial Intelligence and Statistics (AISTATS) 2024

We use temporal point processes and an EM framework to uncover latent causal “if–then” rules, enabling interpretable explanations and root-cause analysis of abnormal events.

Discovering Intrinsic Spatial-Temporal Logic Rules to Explain Human Actions
Discovering Intrinsic Spatial-Temporal Logic Rules to Explain Human Actions

Chengzhi Cao, Chao Yang, Ruimao Zhang, Shuang Li

The Conference on Neural Information Processing Systems (NeurIPS) 2024

We automatically discover interpretable spatial-temporal logic rules from trajectory data using an EM framework, enabling explainable and accurate modeling of human actions.

Discovering Intrinsic Spatial-Temporal Logic Rules to Explain Human Actions

Chengzhi Cao, Chao Yang, Ruimao Zhang, Shuang Li

The Conference on Neural Information Processing Systems (NeurIPS) 2024

We automatically discover interpretable spatial-temporal logic rules from trajectory data using an EM framework, enabling explainable and accurate modeling of human actions.

2023

Counterfactual Optimization of Treatment Policies Based on Temporal Point Process
Counterfactual Optimization of Treatment Policies Based on Temporal Point Process

Zilin Jing, Chao Yang, Shuang Li

ICML Workshop (IMLH) 2023

We propose a temporal point process-based framework to optimize specific treatment actions via counterfactual analysis, providing targeted, interpretable feedback under medical constraints.

Counterfactual Optimization of Treatment Policies Based on Temporal Point Process

Zilin Jing, Chao Yang, Shuang Li

ICML Workshop (IMLH) 2023

We propose a temporal point process-based framework to optimize specific treatment actions via counterfactual analysis, providing targeted, interpretable feedback under medical constraints.

2022

Reinforcement Logic Rule Learning for Temporal Point Processes
Reinforcement Logic Rule Learning for Temporal Point Processes

Chao Yang, Lu Wang, Kun Gao, Shuang Li

ICML Workshop (IMLH) 2022

We learn interpretable temporal logic rules for point processes by iteratively expanding a rule set, using reinforcement learning to efficiently search complex rule spaces and improve event likelihood.

Reinforcement Logic Rule Learning for Temporal Point Processes

Chao Yang, Lu Wang, Kun Gao, Shuang Li

ICML Workshop (IMLH) 2022

We learn interpretable temporal logic rules for point processes by iteratively expanding a rule set, using reinforcement learning to efficiently search complex rule spaces and improve event likelihood.