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natural language processing

2,491 papers

#artificial intelligence Preprint Aug 2026

Conducting Stylistic Analysis of Paintings through an Art-History Agent

This approach converts detailed visual features into descriptive terms, addressing a key challenge in art history, and connects the use of images as data with the semantic concerns of humanists, establishing vision-based computational art history as an area for future growth.

M. Walton, Astrid Harth · 0 citations
#artificial intelligence Review Aug 2026

Call Neighbours Yourself: Graph Walks with Destination-Conditioned On-Policy Self-Distillation

This work proposes Call Neighbours Yourself (CNY), a framework that enables LLMs to proactively explore graph neighbourhoods through topology-constrained graph-walk actions and introduces destination-conditioned on-policy self-distillation, which retrospectively evaluates a selected neighbour after its content is revealed and converts the resulting change in action preference into an action-level training signal.

Yilun Liu, Bo-Yu Luo, Yanran Tang et al. · 0 citations
#natural language process... Open access Aug 2026

OASIS: Optimizing Attacker Sequences for Hard-Label Black-Box Text Attacks

Experiments across multiple datasets, victim models, and large language models show that OASIS consistently outperforms strong standalone baselines and simple manually constructed chains, suggesting that attacker composition is not merely an implementation choice, but a practical optimization target for improving hard-label black-box text attacks.

Qian Chen, Shi-Liang Xiao, Yu-Zhi Liang · 0 citations
#computer vision Preprint Aug 2026

GeoAgent: Evaluating VLM Geolocalization Through Embodied Navigation

This work introduces GeoAgent, an agentic environment-based benchmark that requires agents to navigate Street View environments to refine their geolocalization through sequential reasoning, and establishes the challenges of embodied navigation and geospatial reasoning.

Arka Mukherjee, Soham Roy, Kartikeya Trivedi et al. · 0 citations

Vocabulary Growth Fundamentals: Bernstein Functions and Hausdorff Sequences

We survey the theory of vocabulary growth founded in the setting of stochastic processes. In particular, we model the expected number of types through Bernstein functions and Hausdorff sequences. These classes of mathematical objects, defined by alternating signs of their derivatives or differences, can be related to continuous-time Poisson point processes and discrete-time IID processes, respectively. Building on previous accounts of the vocabulary growth, we integrate the broader theories of Bernstein functions and Hausdorff sequences and connect them with recently developed hapax rate models. In particular, we prove that the logistic hapax rate model has a non-negative spectrum and hence it defines a Bernstein function, thereby solving an earlier posed problem. We also analyze the limitations of the Bernstein--Hausdorff theory of the vocabulary growth by considering its generalizations under stationary and Weibull renewal processes.

L. Debowski · 0 citations
#artificial intelligence Preprint Aug 2026

BIRD-History: A Benchmark for History-Driven Text-to-SQL with Fine-Grained Knowledge Annotations

BIRD-History is introduced, a benchmark consisting of 1,393 tasks across 11 databases, designed to evaluate text-to-SQL systems'ability to ground underspecified natural language questions using historical SQL scripts, and a plug-in retriever that extracts five types of external knowledge from historical SQL scripts, then retrieves and reranks relevant fragments for query generation.

Yunfan Zhou, Qiming Shi, Yi-Zhou Yang et al. · 0 citations
#artificial intelligence Preprint Aug 2026

Super Library Agent: Joint Generation and Maintenance of Multiple Applications Beyond the Single Codebase

This work introduces the Super Library Agent problem, where an agent sequentially generates a portfolio of N related applications while maintaining a shared Super Library of reusable cross-application components, and addresses candidate-guided extraction over code chunk summaries, pre-extraction codebase consolidation, and context-aware migration using extraction traces and call-graph information.

Daegyu Sung, Yukyeong Lee, Geon Park et al. · 0 citations
#artificial intelligence Preprint Aug 2026

How Identity and Opinion Shape Political Sycophancy in LLMs

A framework that disentangles two distinct triggers of political sycophancy: opinion (aligning with explicit narratives) and identity (stereotyping based on demographic labels) is introduced, highlighting how personalization may amplify identity- or opinion-conditioned shifts in the model's behaviors.

Li-Ni Fu, Chang-Chih Meng, Chien-Hua Chen et al. · 0 citations
#natural language process... Preprint Aug 2026

How Mental Health Self-Disclosure Becomes Visible: Evidence from Eight Conditions on Reddit

People share mental health diagnoses on social media, yet how such language becomes visible around their self-disclosure, and whether community engagement tracks it, remain unexamined across conditions. We analyze 89,605 Reddit posts from 739 users across eight conditions, removing each user's diagnosis disclosure and aligning their surrounding posts to that anchor. Within the pre-disclosure year, language-visible burden was highest in the month before disclosure for six conditions, earlier for post-traumatic stress disorder and furthest from it for borderline personality disorder, and remained visible afterward rather than resolving. The theme Seeking Clinical Explanations showed the largest early-to-late difference before disclosure in five conditions, yet engagement rarely tracked what users wrote: only 9 of 360 language--engagement correlations survived correction. Disclosure is therefore a waypoint in an unevenly visible process, and we offer implications for community practice and platform design where engagement metrics do not reflect clinical need.

Renkai Ma, Lingyao Li, Shan-Ting Chen et al. · 0 citations

From tech blogs

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MIT News · Artificial Intelligence Aug 27, 2026

Looking beyond natural sequences

A new machine-learning framework aims to improve the success rate of computational protein design while moving away from results that reproduce sequences found in nature.

MIT News · Artificial Intelligence Aug 20, 2026

Paving the way for greener ammonia production

New MIT research could lead to better materials for a fossil-fuel-free process for making the chemical that's essential to fertilizer and other products.

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