activity
20222026
most citedCausal Intervention Improves Implicit Sentiment Analysis

9 citations · 24 across the 22 of their papers we have counts for

collaborators

23 papers

cs.RO2026

WCM: A World Critic Model for Vision-Language-Action Reinforcement Learning

Senyu Fei, Xiaopeng Yu, Siyin Wang +3

Reinforcement learning (RL) post-training of Vision-Language-Action (VLA) models has shown strong promise for robotic manipulation. Among RL methods, critic-based approaches rely o…

cs.RO2026

HiMe: Hierarchical Embodied Memory for Long-Horizon Vision-Language-Action Control

Li Ji, Siyin Wang, Pengfang Qian +5

Current Vision-Language-Action (VLA) models excel at robotic manipulation but often struggle with non-Markovian tasks requiring long-term memory and reasoning due to their reliance…

cs.RO2026

In-Context World Modeling for Robotic Control

Siyin Wang, Junhao Shi, Senyu Fei +4

Modern Vision-Language-Action (VLA) models often fail to generalize to novel setups, such as altered camera viewpoints or robot morphologies, because they are typically conditioned…

cs.RO2026

Learning to Move Before Learning to Do: Task-Agnostic pretraining for VLAs

Junhao Shi, Siyin Wang, Xiaopeng Yu +3

Vision-Language-Action (VLA) models are fundamentally bottlenecked by the scarcity of expert demonstrations -- triplets of observations, instructions, and actions that are costly t…

cs.RO2026

Advancing Omnimodal Embodied Agents from Isolated Skills to Everyday Physical Autonomy

Junhao Shi, Zezheng Huai, Siyin Wang +7

Building persistent embodied agents in unstructured environments demands unified orchestration of heterogeneous tools spanning both cyber (APIs, IoT) and physical (manipulation, na…

eess.AS2026

Augmenting Dysarthric Speech Severity Assessment with MOS Supervision

Kaimeng Jia, Minzhu Tu, Zengrui Jin +2

Dysarthria is a speech disorder marked by reduced intelligibility and communicative effectiveness. Automatic utterance-level assessment of dysarthric speech can support scalable sp…

cs.RO2026

Coarse-to-Control: Action-Token Planning for Vision-Language-Action Models

Jinhao Wu, Shiduo Zhang, Yicheng Liu +9

Most vision-language-action (VLA) models map observations directly to actions without explicit intermediate planning, which limits performance on long-horizon tasks where early mis…

cs.RO2026

World Action Models: The Next Frontier in Embodied AI

Siyin Wang, Junhao Shi, Zhaoyang Fu +11

Vision-Language-Action (VLA) models have achieved strong semantic generalization for embodied policy learning, yet they learn reactive observation-to-action mappings without explic…

cs.RO2025

SRPO: Self-Referential Policy Optimization for Vision-Language-Action Models

Senyu Fei, Siyin Wang, Li Ji +7

Vision-Language-Action (VLA) models excel in robotic manipulation but are constrained by their heavy reliance on expert demonstrations, leading to demonstration bias and limiting p…

cs.RO2025

RoboOmni: Proactive Robot Manipulation in Omni-modal Context

Siyin Wang, Jinlan Fu, Feihong Liu +11

Recent advances in Multimodal Large Language Models (MLLMs) have driven rapid progress in Vision-Language-Action (VLA) models for robotic manipulation. Although effective in many s…

cs.RO2025

LIBERO-Plus: In-depth Robustness Analysis of Vision-Language-Action Models

Senyu Fei, Siyin Wang, Junhao Shi +10

Visual-Language-Action (VLA) models report impressive success rates on robotic manipulation benchmarks, yet these results may mask fundamental weaknesses in robustness. We perform…

cs.AI2025

World-aware Planning Narratives Enhance Large Vision-Language Model Planner

Junhao Shi, Zhaoye Fei, Siyin Wang +3

Large Vision-Language Models (LVLMs) show promise for embodied planning tasks but struggle with complex scenarios involving unfamiliar environments and multi-step goals. Current ap…

cs.CL2025★ 1 cited

Unleashing Embodied Task Planning Ability in LLMs via Reinforcement Learning

Zhaoye Fei, Li Ji, Siyin Wang +3

Large Language Models (LLMs) have demonstrated remarkable capabilities across various tasks, yet they face significant challenges in embodied task planning scenarios that require c…

cs.CL2025

ConvSearch-R1: Enhancing Query Reformulation for Conversational Search with Reasoning via Reinforcement Learning

Changtai Zhu, Siyin Wang, Ruijun Feng +2

Conversational search systems require effective handling of context-dependent queries that often contain ambiguity, omission, and coreference. Conversational Query Reformulation (C…

cs.CL2025

VisuoThink: Empowering LVLM Reasoning with Multimodal Tree Search

Yikun Wang, Siyin Wang, Qinyuan Cheng +5

Recent advancements in Large Vision-Language Models have showcased remarkable capabilities. However, they often falter when confronted with complex reasoning tasks that humans typi…

cs.CL2025

World Modeling Makes a Better Planner: Dual Preference Optimization for Embodied Task Planning

Siyin Wang, Zhaoye Fei, Qinyuan Cheng +4

Recent advances in large vision-language models (LVLMs) have shown promise for embodied task planning, yet they struggle with fundamental challenges like dependency constraints and…

cs.AI2024★ 1 cited

Safe Inputs but Unsafe Output: Benchmarking Cross-modality Safety Alignment of Large Vision-Language Model

Siyin Wang, Xingsong Ye, Qinyuan Cheng +5

As Artificial General Intelligence (AGI) becomes increasingly integrated into various facets of human life, ensuring the safety and ethical alignment of such systems is paramount.…

cs.CL2024

In-Memory Learning: A Declarative Learning Framework for Large Language Models

Bo Wang, Tianxiang Sun, Hang Yan +3

The exploration of whether agents can align with their environment without relying on human-labeled data presents an intriguing research topic. Drawing inspiration from the alignme…

cs.CL2024★ 4 cited

Domain Generalization via Causal Adjustment for Cross-Domain Sentiment Analysis

Siyin Wang, Jie Zhou, Qin Chen +3

Domain adaption has been widely adapted for cross-domain sentiment analysis to transfer knowledge from the source domain to the target domain. Whereas, most methods are proposed un…

cs.CL2024

LLM can Achieve Self-Regulation via Hyperparameter Aware Generation

Siyin Wang, Shimin Li, Tianxiang Sun +6

In the realm of Large Language Models (LLMs), users commonly employ diverse decoding strategies and adjust hyperparameters to control the generated text. However, a critical questi…

cs.CL2023★ 1 cited

A Soft Contrastive Learning-based Prompt Model for Few-shot Sentiment Analysis

Jingyi Zhou, Jie Zhou, Jiabao Zhao +5

Few-shot text classification has attracted great interest in both academia and industry due to the lack of labeled data in many fields. Different from general text classification (…

cs.CL2023★ 8 cited

Evaluating Hallucinations in Chinese Large Language Models

Qinyuan Cheng, Tianxiang Sun, Wenwei Zhang +8

In this paper, we establish a benchmark named HalluQA (Chinese Hallucination Question-Answering) to measure the hallucination phenomenon in Chinese large language models. HalluQA c…

cs.CL2022★ 9 cited

Causal Intervention Improves Implicit Sentiment Analysis

Siyin Wang, Jie Zhou, Changzhi Sun +4

Despite having achieved great success for sentiment analysis, existing neural models struggle with implicit sentiment analysis. This may be due to the fact that they may latch onto…