Papers by Zihao Deng

14 papers
DisCo_Speech: Controllable Zero-Shot Speech Generation with A Disentangled Speech Codec (2026.acl-long)

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Challenge: DisCo-Speech is a zero-shot controllable text-to-speech framework . standard codecs entangle timbre and prosody, which hinders independent control in continuation-based LMs.
Approach: They propose a disentangled speech codec and an LM-based generator to solve this problem . they propose fusion and reconstruction that merges content and prosody into unified tokens .
Outcome: DisCo-Speech achieves competitive voice cloning and superior zero-shot prosody control.
Too Long, Do Re-weighting for Efficient LLM Reasoning Compression (2026.acl-long)

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Challenge: Large Language Models (LLMs) have recently achieved remarkable progress on complex reasoning tasks by leveraging extended Chain-of-Thought (CoT) techniques.
Approach: They propose a method that uses Extended Chain-of-Thought (EFT) to reduce the number of output tokens by nearly 40% while maintaining the accuracy of the reasoning.
Outcome: The proposed method reduces the number of output tokens by nearly 40% while maintaining the accuracy of the reasoning.
LLMs Assist NLP Researchers: Critique Paper (Meta-)Reviewing (2024.emnlp-main)

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Challenge: a comparative analysis of paper (meta-)reviews by large language models (LLMs) aims to identify and distinguish LLMs from human activities .
Approach: They present a comparative analysis to identify and distinguish LLM activities from human activities.
Outcome: The proposed analysis aims to improve recognition of instances when someone implicitly uses LLMs for reviewing activities.
AdaMoE: Token-Adaptive Routing with Null Experts for Mixture-of-Experts Language Models (2024.findings-emnlp)

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Challenge: Existing MoE methods require a constant top-k routing for all tokens, which is restrictive because of the number of experts required for feature abstraction.
Approach: They propose a token-adaptive routing method that allows different tokens to select a different number of experts.
Outcome: a new method can reduce average expert load while achieving superior performance.
MLaKE: Multilingual Knowledge Editing Benchmark for Large Language Models (2025.coling-main)

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Challenge: Existing studies on knowledge editing focus on monolingual scenarios, neglecting the complexities presented by multilingual contexts and multi-hop reasoning.
Approach: They propose a benchmark to evaluate the adaptability of multilingual knowledge editing methods.
Outcome: The proposed benchmark evaluates the adaptability of multilingual knowledge editing methods across five languages.
SIFT: Grounding LLM Reasoning in Contexts via Stickers (2025.findings-emnlp)

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Challenge: Using a new approach, we can improve the pass@1 accuracy of LLM reasoning in large language models.
Approach: They propose a method that leverages increasing inference-time compute to ground LLM reasoning in contexts.
Outcome: The proposed approach improves pass@1 accuracy of DeepSeek-R1 on AIME2024 from 78.33% to **85.67%** and that on Aime2025 from 69.8% to **77.33%**.
MusiLingo: Bridging Music and Text with Pre-trained Language Models for Music Captioning and Query Response (2024.findings-naacl)

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Challenge: Large Language Models have shown immense potential in multimodal applications, but convergence between textual and musical domains remains unexplored.
Approach: They propose a system that aligns music representations with a frozen LLM . they train the system on an extensive music caption dataset and fine-tune it with instructional data .
Outcome: The proposed system bridges the gap between music audio and textual contexts by combining music captions with a frozen model . it performs well in generating music caption and composing music-related Q&A pairs . the proposed system is available for free download at http://www.musilingo.com/ .
A Comprehensive Study of Jailbreak Attack versus Defense for Large Language Models (2024.findings-acl)

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Challenge: Large Language Models (LLMs) have demonstrated capabilities for generating content that could be deemed harmful.
Approach: They conduct a comprehensive analysis of existing studies on jailbreaking LLMs and their defense techniques.
Outcome: The proposed techniques underperform existing white-box attacks and include special tokens significantly affects the likelihood of successful attacks.
Enhancing Transformers for Generalizable First-Order Logical Entailment (2025.acl-long)

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Challenge: Moreover, transformers have demonstrated proficiency in logical reasoning over natural language.
Approach: They propose a logic-aware architecture that improves the performance in generalizable first-order logical entailment by combining distribution shifts and unseen knowledge.
Outcome: The proposed architecture outperforms methods designed specifically for knowledge graph query answering on a dataset with a large dataset.
MMSearch-R1: Incentivizing LMMs to Search (2026.acl-long)

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Challenge: Existing approaches to deploying large multimodal models rely on rigid pipelines . Existing methods such as retrieval-augmented generation and prompt engineered search rely only on rigid knowledge sources.
Approach: They propose a framework that enables LMMs to perform on-demand, multi-turn search in real-world Internet environments.
Outcome: The proposed model outperforms existing models while reducing search calls by over 30%.
Mnemis: Dual-Route Retrieval on Hierarchical Graphs for Long-Term LLM Memory (2026.acl-long)

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Challenge: Existing methods for retrieving historical messages are based on similarity-based mechanisms.
Approach: They propose a system that integrates System-1 similarity search with a complementary System-2 mechanism, termed Global Selection.
Outcome: The proposed framework achieves state-of-the-art on long-term memory benchmarks and 93.9 on LoCoMo and 91.6 on LongMemEval-S.
The Evolution of Thought: Tracking LLM Overthinking via Reasoning Dynamics Analysis (2026.acl-long)

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Challenge: Explicit reasoning trajectories increase performance but often trigger overthinking . despite its importance, this study examines how each step of reasoning affects the final outcome .
Approach: They propose a Reasoning Completion Point Detector that detects the RCP by monitoring rank dynamics of termination tokens.
Outcome: The proposed method reduces token usage by up to 44% while preserving accuracy.
From Automation to Autonomy: A Survey on Large Language Models in Scientific Discovery (2025.emnlp-main)

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Challenge: Large Language Models (LLMs) are catalyzing a paradigm shift in scientific discovery, evolving from task-specific automation tools into increasingly autonomous agents.
Approach: They introduce a foundational three-level taxonomy to delineate their escalating autonomy and evolving responsibilities within the research lifecycle.
Outcome: The proposed frameworks provide a conceptual architecture and strategic foresight to navigate and shape the future of AI-driven scientific discovery.
Following the Autoregressive Nature of LLM Embeddings via Compression and Alignment (2025.emnlp-main)

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Challenge: Experimental results demonstrate that our method significantly outperforms traditional contrastive learning approaches when using the same amount of data.
Approach: They propose a new contrastive learning method built on embedding conditional probability distributions that integrates two tasks: information compression and conditional distribution alignment.
Outcome: The proposed method outperforms traditional contrastive learning approaches and achieves comparable performance to state-of-the-art models when using the same amount of data.

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