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Zheng Chu

19 accepted papers

2026

CCFQA: A Benchmark for Cross-Lingual and Cross-Modal Speech and Text Factuality Evaluation

AAAI 2026technical

As Large Language Models (LLMs) are increasingly popularized in the multilingual world, ensuring hallucination-free factuality becomes markedly crucial. However, existing benchmarks for evaluating the reliability of Multimodal Large Language Models (MLLMs) predominantly focus on textual or visual m

Cited by 0SourcePDFScholar
2026

From Sampling to Cognition: Modeling Internal Cognitive Confidence in Language Models for Robust Uncertainty Calibration

AAAI 2026technical

Large Language Models (LLMs) have demonstrated remarkable performance across a wide range of tasks, yet they generally lack self-awareness, often displaying overconfidence when confronted with questions beyond their knowledge boundaries. This limitation severely hinders their trustworthiness in high

Cited by 0SourcePDFScholar
2026

Scalable Multilingual Multimodal Machine Translation with Speech-Text Fusion

ICLR 2026poster

Multimodal Large Language Models (MLLMs) have achieved notable success in enhancing translation performance by integrating multimodal information. However, existing research primarily focuses on image-guided methods, whose applicability is constrained by the scarcity of multilingual image-text pairs…

Cited by 0SourceScholar
2026

TOWARDS RELIABLE TIME SERIES FORECASTING UNDER FUTURE UNCERTAINTY: AMBIGUITY AND NOVELTY REJECTION MECHANISMS

ICASSP 2026poster

In real-world time series forecasting, uncertainty and lack of reliable evaluation pose significant challenges. Notably, forecasting errors often arise from underfitting in-distribution data and failing to handle out-of-distribution inputs. To enhance model reliability, we introduce a dual rejection…

Cited by 0SourcePDFScholar
2026

Vision-DeepResearch: Incentivizing DeepResearch Capability in Multimodal Large Language Models

ICML 2026poster

Multimodal large language models (MLLMs) have achieved remarkable success across a broad range of vision tasks. However, constrained by the capacity of their internal world knowledge, prior work has proposed augmenting MLLMs by ``reasoning-then-tool-call'' for visual and textual search engines to ob…

Cited by 0SourceScholar
2025

AnRe: Analogical Replay for Temporal Knowledge Graph Forecasting

ACL 2025long

Temporal Knowledge Graphs (TKGs) are vital for event prediction, yet current methods face limitations. Graph neural networks mainly depend on structural information, often overlooking semantic understanding and requiring high computational costs. Meanwhile, Large Language Models (LLMs) support zero-…

Cited by 0SourcePDFScholar
2025

Breaking the Reasoning Barrier A Survey on LLM Complex Reasoning through the Lens of Self-Evolution

ACL 2025finding

The release of OpenAI’s O1 and subsequent projects like DeepSeek R1 has significantly advanced research on complex reasoning in LLMs. This paper systematically analyzes existing reasoning studies from the perspective of self-evolution, structured into three components: data evolution, model evolutio…

Cited by 0SourcePDFScholar
2025

Investigating and Enhancing the Robustness of Large Multimodal Models Against Temporal Inconsistency

ACL 2025long

Large Multimodal Models (LMMs) have recently demonstrated impressive performance on general video comprehension benchmarks. Nevertheless, for broader applications, the robustness of their temporal analysis capability needs to be thoroughly investigated yet predominantly ignored. Motivated by this, w…

Cited by 0SourcePDFScholar
2025

MPFL: A Decentralised Federated Learning Framework Based on Multi-Population Genetic Algorithm

ICASSP 2025accepted

Federated Learning (FL) enables collaborative training while protecting the privacy of participant data. However, typical centralized FL structures are vulnerable to malicious client attacks. To mitigate such vulnerabilities, blockchain technology has been used to develop a decentralized FL framewor…

Cited by 0SourceScholar
2025

Self-Critique Guided Iterative Reasoning for Multi-hop Question Answering

ACL 2025finding

Although large language models (LLMs) have demonstrated remarkable reasoning capabilities, they still face challenges in knowledge-intensive multi-hop reasoning. Recent work explores iterative retrieval to address complex problems. However, the absence of intermediate guidance often leads to inaccur…

2025

Towards Faithful Multi-step Reasoning through Fine-Grained Causal-aware Attribution Reasoning Distillation

COLING 2025main

Despite the remarkable reasoning capabilities demonstrated by large language models (LLM), the substantial computational overhead limits their practices. Some efforts have been directed toward distilling multi-step reasoning capabilities into smaller models through chain-of-thought (CoT). While CoT…

2024

An Information Bottleneck Perspective for Effective Noise Filtering on Retrieval-Augmented Generation

ACL 2024long

Retrieval-augmented generation integrates the capabilities of large language models with relevant information retrieved from an extensive corpus, yet encounters challenges when confronted with real-world noisy data. One recent solution is to train a filter module to find relevant content but only ac…

2024

BeamAggR: Beam Aggregation Reasoning over Multi-source Knowledge for Multi-hop Question Answering

ACL 2024long

Large language models (LLMs) have demonstrated strong reasoning capabilities.Nevertheless, they still suffer from factual errors when tackling knowledge-intensive tasks.Retrieval-augmented reasoning represents a promising approach.However, significant challenges still persist, including inaccurate a…

2024

Divide-and-Conquer Meets Consensus: Unleashing the Power of Functions in Code Generation

NeurIPS 2024oral

Despite recent progress made by large language models in code generation, they still struggle with programs that meet complex requirements. Recent work utilizes plan-and-solve decomposition to decrease the complexity and leverage self-tests to refine the generated program. Yet, planning deep-inside…

Cited by 3SourcePDFScholar
2024

GUIDE: A Guideline-Guided Dataset for Instructional Video Comprehension

IJCAI 2024poster

There are substantial instructional videos on the Internet, which provide us tutorials for completing various tasks. Existing instructional video datasets only focus on specific steps at the video level, lacking experiential guidelines at the task level, which can lead to beginners struggling to lea…

Cited by 1SourcePDFScholar
2024

Navigate through Enigmatic Labyrinth A Survey of Chain of Thought Reasoning: Advances, Frontiers and Future

ACL 2024long

Reasoning, a fundamental cognitive process integral to human intelligence, has garnered substantial interest within artificial intelligence.Notably, recent studies have revealed that chain-of-thought prompting significantly enhances LLM’s reasoning capabilities, which attracts widespread attention f…

2024

TimeBench: A Comprehensive Evaluation of Temporal Reasoning Abilities in Large Language Models

ACL 2024long

Grasping the concept of time is a fundamental facet of human cognition, indispensable for truly comprehending the intricacies of the world.Previous studies typically focus on specific aspects of time, lacking a comprehensive temporal reasoning benchmark.To address this, we propose TimeBench, a compr…

2024

Towards Benchmarking Situational Awareness of Large Language Models:Comprehensive Benchmark, Evaluation and Analysis

EMNLP 2024finding

Situational awareness refers to the capacity to perceive and comprehend the present context and anticipate forthcoming events, which plays a critical role in aiding decision-making, anticipating potential issues, and adapting to dynamic circumstances. Nevertheless, the situational awareness capabili…

Cited by 0SourcePDFScholar
2023

MTGER: Multi-view Temporal Graph Enhanced Temporal Reasoning over Time-Involved Document

EMNLP 2023long findings

The facts and time in the document are intricately intertwined, making temporal reasoning over documents challenging. Previous work models time implicitly, making it difficult to handle such complex relationships. To address this issue, we propose MTGER, a novel Multi-view Temporal Graph Enhanced Re…

Cited by 0SourceScholar