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natural language processing

7,546 papers

#natural language process... Preprint Open access Sep 2026

POET: Preference Optimization for Enhanced Text-to-Image Generation

Recent advances in text-to-image (T2I) generation have achieved impressive results, yet existing models often struggle with simple or underspecified user prompts due to a distributional gap with their descriptive training captions. This frequently leads to suboptimal image-text alignment, aesthetics, and overall visual...

Ruibo Chen, Jiacheng Pan, Heng Huang et al. · 0 citations
#natural language process... Preprint Open access Sep 2026

TagPR: Tag-Guided Process Supervision for Personalization Reasoning in Large Language Models

Recent advancements have endowed Large Language Models with impressive general reasoning capabilities. However, these reasoning models often perform worse than non-reasoning models on personalization tasks. While some methods use outcome-based RL to improve personalization reasoning, they fail to supervise the reasonin...

Song Jin, Juntian Zhang, Ruyu Lyu et al. · 0 citations
#natural language process... Preprint Open access Sep 2026

Sycophancy Is Not One Thing: Causal Separation of Sycophantic Behaviors in LLMs

Large language models (LLMs) often exhibit sycophantic behaviors -- such as excessive agreement with or flattery of the user -- but it is unclear whether these behaviors arise from a single mechanism or multiple distinct processes. We decompose sycophancy into sycophantic agreement and sycophantic praise, contrasting b...

Daniel Vennemeyer, Phan Anh Duong, Tiffany Zhan et al. · 0 citations
#natural language process... Preprint Open access Sep 2026

Dynamic Optimizations of LLM Ensembles with Two-Stage Reinforcement Learning Agents

The advancement of LLMs and their accessibility have triggered renewed interest in multi-agent reinforcement learning as robust and adaptive frameworks for dynamically changing environments. This paper introduces \texttt{RL-Focal}, a two-stage RL agent framework that routes and ensembles LLMs. \textit{First}, we develo...

Selim Furkan Tekin, Gaowen Liu, Ramana Rao Kompella et al. · 0 citations
#computer vision Preprint Sep 2026

Imagine3D-LLM: Teaching MLLMs to Imagine 3D Scenes Before Answering

Reasoning about the 3D world from multi-view images remains a fundamental challenge for Multimodal Large Language Models (MLLMs). While modern MLLMs handle single-image inputs effectively, they struggle to integrate evidence across viewpoints into a coherent 3D understanding. A growing body of work attempts to close th...

Jaewoo Jung, Hyeonseo Yu, Honggyu An et al. · 0 citations
#natural language process... Preprint Sep 2026

EmoRES-TTS: Residual-Enhanced Vector Steering for Emotional Speech Generation

Emotion-conditioned text-to-speech (TTS) models may fail to express the requested emotion reliably, and improving controllability by additional training is costly in both computation and emotion-labeled speech training data. We therefore study vector steering, a training-free approach that modifies the internal represe...

Kuan-Po Huang, Hao-He Liu, Pu-Yuan Peng et al. · 0 citations
#natural language process... Preprint Sep 2026

Pruning for Efficiency, Paying in Fairness: Demographic Disparities in Pruned Speech-LLMs

Speech-LLMs are expensive to run, making compression important for real-world deployment. However, compressed models are usually selected using aggregate word error rate (WER), which can hide how pruning affects different demographic groups. In this work, we systematically study the effect of audio encoder pruning on S...

Ganesh Pavan Kartikeya Bharadwaj Kolluri, Michael Kampouridis, Ravi Shekhar · 0 citations
#natural language process... Preprint Sep 2026

Effective Dense Retrieval using Only In-Context Examples

Turning decoder-only large language models (LLMs) into strong dense retrievers typically requires some form of retriever training. In this paper, we ask whether LLMs can instead be prompted to produce effective representations for dense retrieval given only a few in-context examples. To answer this, we introduce RICE (...

Nour Jedidi, Abdul Basit Ali, Hang Li et al. · 0 citations
#natural language process... Preprint Sep 2026

LoLBench: Evaluating Coding Agents with Long-Horizon Proposals on Large Software Systems

LoLBench is a multilingual benchmark of 100 tasks across 29 software systems in five domains that shows that both perception and implementation remain central challenges for coding agents in practical modular development on large software systems.

Yun Peng, Zi-Han Wu, Ze-Yang Zhuang et al. · 1 citation
#natural language process... Preprint Sep 2026

Does a prosody-trained representation help beyond trainable fusion? A parameter-matched study with frozen HuBERT

Explicit prosodic cues may help automatic speech recognition (ASR) of spontaneous speech, but auxiliary representations typically require additional trainable components, making it unclear whether gains come from the auxiliary information or the fusion mechanism. We address this using a frozen HuBERT backbone and a 64-...

Ki Woong Moon, Dan Brenner · 0 citations
#natural language process... Preprint Open access Sep 2026

Reconstructing the Vocal Tract with Differentiable Acoustic Simulation

The vocal tract is the region of the human body responsible for filtering one's voice to create speech. In this paper, we present a differentiable and GPU accelerated acoustic simulator for the vocal tract. The differentiable simulator synthesizes speech by propagating sound along an acoustic tube model of the vocal tr...

Eric Ming Chen, Jin Woo Lee, Vincent Sitzmann · 0 citations
#natural language process... Preprint Sep 2026

TTMark: Pairwise Distortion-Free Watermarking Beyond Single-Token Entropy

Tandem Token WaterMark (TTMARK), a general pairwise watermarking framework that extends distortion-free watermarking from individual tokens to adjacent token pairs, and introduces a branch-isolating concatenated tandem generation algorithm that efficiently constructs the joint distribution in a single forward pass.

Rui-Bo Chen, Zheng-Mian Hu, Dong-Hang Lu et al. · 0 citations

From tech blogs

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MIT News · Artificial Intelligence Oct 15, 2026

AI model decodes the language cells use to communicate

A new computational approach reveals how cells communicate to assemble into tissues. This could accelerate stem cell engineering, improve disease models, and inform therapies.

Microsoft Research Blog Oct 15, 2026

Proof-based general-purpose computing with Magnetar

Zero-knowledge proofs can verify computing results without rerunning workloads or exposing sensitive data. Magnetar helps bring them into the mainstream with support for standard programming languages, major speed gains, and quantum-resistant security. The post Proof-based general-purpose computing with Magnetar appeared first on Microsoft Research.

MIT News · Artificial Intelligence Sep 24, 2026

Estimating suicide risk from text

A new language-processing tool could help identify the highest-risk individuals from natural language, enabling swifter interventions.

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