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natural language processing

9,261 papers

#artificial intelligence Preprint Aug 2026

The Situated Identity Test: Distinguishing Persistent Cognitive Identity from Persona Imitation

Large language models can convincingly adopt personas, recall past dialogues, and weave rich autobiographies. Yet this conversational eloquence conceals a fundamental attribution problem: looking the part does not mean having lived the life. Two individuals can share identical public profiles--the same age, hometown, o...

Jun-Fei He, De-Ying Yu · 1 citation
#machine learning Preprint Aug 2026

Fairness Beyond Anonymization? Demographic Leakage in German LLM-Generated Resumes

A two-stage audit of demographic leakage in German-language LLM-generated resumes demonstrates that apparently neutral resume generation can still preserve highly predictive demographic signals, raising concerns about anonymization-based fairness interventions in multilingual AI hiring pipelines.

Charlotte Leininger, Helena Veit, M. Aßenmacher et al. · 0 citations
#machine learning Preprint Aug 2026

SCoR: A Hierarchical Framework for Forecasting Relations Between Scientific Concepts

SCoR advances research-direction forecasting from predicting which concepts will co-occur to anticipating whether and how evidence-backed scientific relations will emerge, and introduces HiSCoR, a task-adapted model family that models relation emergence as a temporally evolving, hierarchically constrained process.

Jing-Ze Wang, Fred Sun, Shang-Qi Guo · 0 citations
#machine learning Preprint Aug 2026

Quantifying Hidden Salt for Precision Healthcare: Sodium Assessment via Joint-Factor Retrieval and Chain-of-Thought Inference

This framework introduces a Joint-Factor Embedding Retrieval module to locate similar recipes with specified sodium content for addressing the lack of contextual references, and designs a structured 4-hop Chain-of-Thought inference module to refine the vague estimation from language models through a multi-step sodium e...

Mingyu Huang, Wei-Qing Min, Yue-Hui Fang et al. · 0 citations
#machine learning Preprint Aug 2026

A Multi-Agent Pipeline for Source-Grounded Synthetic Note Generation from Longitudinal Structured EHR

MedNotes is a multi-agent synthetic data generation pipeline that converts longitudinal structured EHR into source-grounded clinical note representations under explicit quality control and improves downstream CPT prediction and paragraph-level section prediction when combined with limited real data.

Nina Fatehi, Reihaneh Hassanzadeh, Meysam Ghaffari et al. · 0 citations
#machine learning Preprint Aug 2026

Beyond Raw Context Transfer: Representation-based Federated Retrieval-Augmented Generation

FedRepRAG is proposed, a decentralized RAG framework that keeps raw documents at their owning clients and exchanges only compact latent representations during cross-client retrieval, and provides an effective and efficient framework for federated RAG without transferring raw retrieved content.

Can Peng, Yu Liu, Ying-Yu Yang et al. · 0 citations
#artificial intelligence Preprint Open access Sep 2026

Didactic knowledge or Clinical Cases? How Data Types Shape Medical Large Language Models

Medical large language models are commonly trained on mixtures of didactic data (e.g., textbooks) and clinical data (e.g., patient records), yet how these data types differentially shape model capabilities remains unclear. We address this issue with token-matched experiments that vary the didactic-to-clinical ratio and...

Yuzheng Fan, Haochun Wang, Sendong Zhao et al. · 0 citations
#machine learning Preprint Aug 2026

Do Language Models Know Their Own Constraints?

Comparing supervised fine tuning and Group Relative Policy Optimization against an untrained baseline on a four tier Constraint Awareness Benchmark shows the reward based signal is the more destructive of the two: a reward that penalizes banned ingredient tokens regardless of framing learns a context independent suppre...

Arin Agarwal · 0 citations
#machine learning Review Aug 2026

Beyond the Stitching Assumption: A Unified Framework for Multimodal Synthetic Data Evaluation via Semantic Quantization

A projection-based evaluator for tabular--text synthetic data and results support explicit cross-modal evaluation with permutation baselines and coverage reporting support cross-modal evaluation with permutation baselines and coverage reporting.

Ye-Feng Yuan, Zhan Shi, Liang Cheng et al. · 0 citations
#artificial intelligence Preprint Aug 2026

Multilingual Safety Signals Are Multi-Layered: Filtering Safety-Degrading Data for Safer LLMs

MMSAFE is proposed, a multi-layer framework for multilingual safety-degrading data identification that captures both shared and language-specific safety signals and reduces the average harmful-response ratio compared with random filtering and achieves stronger average performance than the strongest single-layer baselin...

Jia-Kun Li, Guo-Wei Song, Si-Jia Li et al. · 0 citations
#machine learning Preprint Aug 2026

Using Composition Operators to Linearize LLM Semantic Transformations

The use of composition operators are introduced, which generalize the Koopman operator and can map between distinct spaces, motivating the perspective that LLM transformations are rectangular infinite-dimensional operators.

Afjal Chowdhury, James Chen, A. Edelman · 0 citations
#machine learning Preprint Aug 2026

Does the Truthfulness Signal Survive Code-Mixing? Probing Hidden States for Hallucination Detection in Hinglish

It is found that the hallucination signal survives code-mixing well: transfer AUROC ranges from 0.88 to 0.99, with gaps of mostly under 0.05 AUROC relative to in-distribution performance, and that Hindi-trained probes transfer to Hinglish more reliably than English-trained probes.

Tanveer Singh · 0 citations

From tech blogs

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Microsoft Research Blog Oct 22, 2026

Flint-interactive: A language for creating interactive data visualizations

Flint-interactive gives AI agents a language for creating interactive visualizations. Click a chart, filter data, highlight related content, and explore beyond the view the author originally chose. The post Flint-interactive: A language for creating interactive data visualizations appeared first on Microsoft Research.

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.

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