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natural language processing

6,613 papers

#artificial intelligence Preprint Open access Oct 2026

LLM Persuasion Is in the Eye of the Evaluation

Large language models (LLMs) have already been shown to match or exceed human experts in persuasion. While their persuasive capabilities hold promise for beneficial uses such as education and health communication, they can also be used to manipulate and misinform, making their evaluation a growing priority for develope...

Kamile Dementaviciute, Julija Vaitonyte, Tijl De Bie · 0 citations
#artificial intelligence Preprint Open access Oct 2026

From Prompts to Trees: Effective LLM-Guided Tree Generation for Few-Shot Tabular Classification

While Large Language Models (LLMs) possess rich world knowledge and impressive generalization capabilities, their direct application to tabular data classification is hindered by high inference costs and limited interpretability. In contrast, decision trees are fast and transparent but often underperform in low-data re...

Yue Qiu, Zekang Du, Yiqun Diao et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Beyond Outcome Rewards: Constructing and Assigning Retrieval Credit for Search Agents

Search agents enable Large Language Models (LLMs) to iteratively retrieve and use information for complex multi-hop questions. Reinforcement Learning with Verifiable Rewards (RLVR) offers a promising approach for post-training such agents, but its reliance on sparse, outcome-based supervision can make credit assignment...

Wenyu Huang, Xinyu Hou, Pavlos Vougiouklis et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

ExperienceIndex: Artifact-Grounded Memory

Knowledge-intensive tasks require answering many questions by reasoning about a shared corpus of artifacts (e.g., court cases, or scientific literature). As humans interact with these corpora, they naturally accumulate experiential knowledge about artifacts, enabling them to quickly identify the complete set of relevan...

Peter Baile Chen, Geoffrey X. Yu, Xinming Liu et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Itgan at NADI 2026 shared task: Parameter-Efficient Whisper Adaptation for Robust, Mixed-Dialect and Code-Switched Arabic ASR

We describe the Itgan systems for the three ASR subtasks of NADI 2026, namely robust country-level ASR (1.1), mixed-dialect ASR (1.2), and Tunisian code-switched ASR (1.3). All three share one recipe, Whisper adapted with LoRA on consumer GPUs, and each was carried by a different addition to it. On 1.1, where the diale...

Ibrahim Almajai · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Constrained-Action AI Remediation for SIEM/XDR via a NeMo-Guardrails Proxy

Security Operations Centers (SOCs) for information technology and operational technology share one incident-response problem: a flood of correlated alerts and too few analysts. Large Language Models (LLMs) are increasingly proposed as reasoning engines that triage alerts and, in autonomous deployments, issue commands t...

Georgios Koutidis, Nikolaos Kekatos, Tom Nianios et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

Training Advisors for LLM Agents from Task Outcomes

Large language model agents tackle multi-step tasks by interleaving reasoning and tool calls with observations from the environment. Prior work has shown that natural-language feedback can help these agents revise their decisions during task execution. We introduce Caddie, a method for training critics to provide natur...

Sergei Polezhaev, Barys Liskavets, Ori Press et al. · 0 citations
#artificial intelligence Preprint Open access Oct 2026

A Deafening Silence: Catastrophic Forgetting Lives in the Output Embeddings of Tokens the Data Never Speaks

Continual pre-training and fine-tuning in Large Language Models (LLMs) inevitably induce catastrophic forgetting, typically mitigated by replay using often-inaccessible original data. In this data-free regime, we analyze where forgetting occurs and why. Systematic parameter freezing across five settings up to 1.4B reve...

Jonghyun Han, Younghoon Song, Jongyoul Park · 0 citations
#artificial intelligence Preprint Open access Oct 2026

MIRROR: From Imitation to Internalization in LLM Personalization

The demand for personalized LLMs is shifting from style imitation toward content quality. We investigate whether self-distillation can bridge this gap in existing fine-tuning paradigm. To address this limitation, we introduce MIRROR(Meta- personalization by Internalizing Reference-Revealed On-policy Reflections), a nov...

Huayi Lai, Jicheng Yang, Min Yi et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Decoupling Logic from Persona: Structural Immunity of Edge LLM Agents to Context Pollution

Small language-model agents on edge devices must hold a persona and reason correctly at once, inside one context window that fills with conversational history and persona instructions. We study what happens to the logical part of such an agent when that history is long, misleading and persona-heavy (persona-logic inter...

Masaaki Nakatsu, Ren-Xiong Wang · 0 citations
#artificial intelligence Preprint Open access Oct 2026

PARC-Loc: Text-to-Point-Cloud Localization with Partial Assignment and Relational Consistency

Text-to-point-cloud localization estimates a position in a city-scale 3D map from descriptions of surrounding objects. Existing coarse-to-fine methods retrieve submaps using aggregate learned compatibility and then localize within a selected submap. However, repetitive or similar urban objects can inflate the embedding...

Shengkai Ma, Zhenyu Hou, Weihua Cao · 0 citations
#artificial intelligence Preprint Open access Oct 2026

From Pareto to Preference: Personalized Test-Time Scaling via Amortized Agentic Policy Discovery

Test-time scaling (TTS) improves the reasoning capabilities of large language models by allocating additional inference computation. Existing approaches to improving TTS efficiency largely optimize accuracy against one resource dimension at a time, advancing either the accuracy--cost or accuracy--latency Pareto frontie...

Xinglin Wang, Zishen Liu, Tong Zheng et al. · 0 citations

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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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