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Xinpeng Lv

7 accepted papers

2026

Beyond Rational Illusion: Behaviorally Realistic Strategic Classification

ICML 2026poster

Strategic classification studies the interaction between decision models and agents who strategically manipulate their features for favorable outcomes. Existing SC frameworks typically rely on the idealized assumption that agents are strictly rational. However, evidence from behavioral economics and…

Cited by 0SourceScholar
2026

Learning Kernelized Hypothesis for Hidden Confounder Detection

IJCAI 2026

Detecting hidden confounding is crucial for reliable causal analysis from observational data, directly determining which downstream causal inference method to be deployed. Inspired by the theory of higher-order regression, recent sample-efficient hypothesis testing strategies overcome the restrictiv

Cited by 0Scholar
2026

Partial Fairness Awareness: Belief-Guided Strategic Mechanism for Strategic Agents

AAAI 2026technical

Strategic machine learning investigates scenarios where agents manipulate their features to receive favorable decisions from predictive models. To address fairness concerns intrinsic to strategic classification, recent work has introduced group-specific fairness constraints. However, current fairnes

Cited by 0SourcePDFScholar
2026

Unveiling Prior-data Fitted Networks on Causal Effect Estimation: Pre-training or Finetuning?

ICML 2026poster

Amortized causal inference via Prior-data Fitted Networks (PFNs) has emerged as a promising paradigm, enabling zero-shot estimation of causal effects without the need for dataset-specific model tuning. However, the principled effectiveness of unified pre-training across general interventional regime…

Cited by 0SourceScholar
2026

When Tabular Foundation Models Meet Strategic Tabular Data: A Prior Alignment Approach

ICML 2026poster

Tabular foundation models via pretrained prior-data fitted networks (PFNs) achieve remarkable generalization performance on arbitrary testing tabular data, when sample distributions are independent of the deployed classifiers, i.e., a non-strategic regime. In a variety of real-world scenarios, howev…

Cited by 0SourceScholar
2025

Breaking the Gradient Barrier: Unveiling Large Language Models for Strategic Classification

NeurIPS 2025poster

Strategic classification (SC) explores how individuals or entities modify their features strategically to achieve favorable classification outcomes. However, existing SC methods, which are largely based on linear models or shallow neural networks, face significant limitations in terms of scalability…

Cited by 0SourceScholar
2024

Modality Re-Balance for Visual Question Answering: A Causal Framework

ICASSP 2024accepted

Visual Question Answering (VQA) models often prioritize language cues over visual knowledge, leading to the "language prior" phenomenon. To address this, researchers have proposed methods to balance language and image information during training and inference. However, these approaches often struggl…

Cited by 0SourceScholar