arXiv AI

On-the-fly Weight Generation: A Hypernetwork Proof of Concept on ARC-1D

The paper demonstrates that a hypernetwork can generate tiny specialist models for individual transformations in the ARC-1D benchmark directly from a few demonstrations. These generated parameters form a structured weight space, enabling partial compositional generalisation and improved performance on unseen transformations when explicit task identifiers are omitted. The study provides a proof of concept that few‑shot task context can be compiled on‑the‑fly into compact executable model parameters that support reuse and generalisation beyond known functions.

arXiv AI
Jul 9

Cost-Effective Agent Harnesses for Abstract Reasoning and Generalization on ARC-AGI-1

arXiv:2607. 06764v1 Announce Type: new Abstract: Recent progress on ARC-AGI-1 from disclosed architectures has come broadly from two regimes: heavy test-time compute over frontier models (evolutionary search, exhaustive sampling, extended chain-of-thought), or benchmark-specific training in which small models are fine-tuned on ARC data, often with task-specialized architectures.

By Kabir Moghe, Peter Chin
arXiv AI
Sep 21

Implicit Rule Induction with Test-Time Task Embeddings in ARC-like Tasks

The paper introduces a two‑step test‑time training protocol, Embed‑TTT, for Vision ARC (VARC) that first fine‑tunes only the task embedding and then fine‑tunes the backbone. This approach consistently produces task embeddings that better align with the underlying rules, improves retrieval and linear probing, and recovers the geometric structure of parametric rules. Even fine‑tuning only the tiny embedding component solves a significant portion of ARC‑AGI‑1, ConceptARC, and Mini‑ARC tasks, while the full two‑step pipeline further enhances performance and demonstrates compositional rule interpolation.

By Adrien Deli\`ege, Claas Beger, Marc Van Droogenbroeck, Melanie Mitchell
arXiv AI
1d ago

MESA: An Evaluation Framework for Compositional, Semantic, and Spatial Generalization in Robotics

MESA is an evaluation framework that precisely measures language‑conditioned policy generalization in robotics. It offers five evaluation suites that separate in‑distribution performance from four axes of generalization—spatial configuration, object instance, object category, and subtask composition—allowing researchers to pinpoint why policies fail. The authors also introduce MESA‑Gen, a task and demonstration generation pipeline, and release two benchmark suites: a single‑arm MESA and BiMESA for bimanual generalization, with baseline results showing current models achieve only about 50% success, indicating significant room for improvement.

By Albert Wilcox, Frank Chang, Nhi Nguyen, Aishani Chakraborty, Jeremy A. Collins, Vaibhav Saxena, Benjamin Joffe, Siddharth Karamcheti, Animesh Garg
arXiv AI
Oct 12

Decoupling the Declarative from the Procedural in Vision-Language-Action Models

The paper introduces w$^{2}$VLA, a Vision‑Language‑Action model that restructures information flow to separate declarative knowledge (concepts and entity semantics) from procedural knowledge (how to act). By modulating the robot state sequence with visual, spatial, and skill information in a compositional, interpretable way, the model achieves robust behavior cloning and unprecedented zero‑shot skill transfer to unseen objects, overcoming brittleness seen in current state‑of‑the‑art VLA models.

By Nikolaos Tsagkas, Andreas Sochopoulos, Chris Xiaoxuan Lu, Oisin Mac Aodha, Alexandros Kouris
arXiv Computation and Language
21h ago

Parametric Skills

arXiv:2606.30015v2 Announce Type: replace Abstract: For LLMs, skills are textual recipes encoding mature problem-solving experience. Despite widespread deployment, their utility is limited by the mod...

By Xuan Zhao, Haonan He, Qingyu Yang, Minglei Li, Zelin Tan, Bo Wan, Jingqi Ye, Chen Zhang, Shuyue Hu, Peng Ye