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J. Leskovec

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#natural language process... Preprint Oct 2026

One Block Ahead: Promoting Sampler State in Diffusion Language Models

Block-diffusion language models denoise a whole block of token positions in parallel so each forward pass can emit many tokens. However, blocks are still denoised in strict sequence, a cost that within-block acceleration leaves untouched. Here, we investigate decoding blocks concurrently and propose One Block Ahead (OB...

Yang-Yi Shen, Pin-Jui Ku, Nicolai Oswald et al. · 0 citations
#artificial intelligence Preprint Oct 2026

RT-J: Large-Scale Pretraining of Relational Transformers for Context-Efficient Predictions

Foundation models for tables and relational databases are increasingly used for predictive tasks across various scientific and industrial domains. However, adapting existing models to unseen datasets requires tens of thousands of examples. Here we introduce RT-J, an 85M-parameter relational foundation model (RFM) that...

Rishabh Ranjan, Vignesh Kothapalli, Harsh Agarwal et al. · 0 citations
#artificial intelligence Preprint Sep 2026

UniEvo-VL: An On-policy Self-Distillation Training Recipe for Multimodal Model Self-improvement

Modern multimodal models bring generation and understanding into a single unified system, which enables them to provide and learn from their own feedback. Motivated by this unified capacity, we introduce UniEvo-VL, a self-evolving framework for multimodal models to learn from this constructive self-correction feedback...

Fang Wu, Dan-Lei Xing, Yan-Jie Huang et al. · 0 citations
#explainable ai Review Open access Sep 2026

AutoScreen: AI Co-Scientist System for Target Discovery in Functional Genomics

This work introduces AutoScreen, an AI co-scientist system supporting target discovery through both Pre-screen Design, which constructs perturbation libraries de novo from free-text research descriptions, and Post-screen Analysis, which re-ranks experimental screen hits by integrating statistical scores with biological...

Yuan-Hao Qu, Xu-Feng Liu, Xiao-Tong Wang et al. · 0 citations
#machine learning Preprint Sep 2026

Data Scarcity and Model Sparsity: Mixtures-of-Experts Overfit More to Repeated Data

This work addresses the adverse interactions between sparsity and data repetition, and presents evidence for the core mechanisms of overfitting and its potential remediation, and suggests promising avenues for future methods to reduce over-specialization in model parameters by disrupting memorization patterns.

Atindra Jha, Margaret Li, J. Leskovec et al. · 1 citation
#machine learning Preprint Aug 2026

Advancing Open and Reproducible Relational Learning: RelArena-$\alpha$, TabPFN-Rel and RPI

This first release of Prior Labs in relational learning opens-source three pieces of software that expect to accelerate research in the field towards meaningful real-world impact and releases an initial version of RPI, an open-source, model-agnostic interface that enables early adopters to easily define problems on new...

A. Hayler, Klemens Flöge, Alan Arazi et al. · 3 citations · ⚡1
Jul 2026

Autonomous biomedical research with an artificial intelligence agent.

Biomni envisions artificial intelligence augmenting human scientists and accelerating discovery by interpreting multi-modal datasets, optimizing protein stability, orchestrating wet-lab instruments, and generating experimentally testable protocols.

Kexin Huang, Serena Zhang, Hanchen Wang et al. · 19 citations · ⚡2

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