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DynaTree: Dynamic Agentic Retrieval Tree for Time-Sensitive News Retrieval

arXiv:2605.31377v1 Announce Type: new Abstract: Agentic Retrieval-Augmented Generation improves retrieval by integrating planning, tool use, and iterative reasoning, but existing agentic RAG methods often couple semantic expansion with retrieval decisions in short-horizon inference loops, leading to high inference cost and limited suitability for time-sensitive news retrieval. We propose DynaTree, a two-stage framework for efficient and adaptive news retrieval. In the offline stage, DynaTree...

arXiv CS 9d ago

What Makes a Strong Model? A Unified Spectral Analysis of Knowledge Transfer over High-dimensional Linear Regression

arXiv:2606.01292v1 Announce Type: new Abstract: Teacher-Student Knowledge Transfer (KT) is ubiquitous in modern machine learning, ranging from classical model compression via Knowledge Distillation (KD) to the emergent phenomenon of Weak-to-Strong (W2S) generalization. While existing studies offer isolated insights, a unified theoretical framework explaining the efficacy of KT across these disparate regimes remains lacking. In this work, we establish a unified spectral analysis of SGD...

arXiv CS 8d ago

10 best Spanish beaches to see the total solar eclipse 2026

10 best Spanish beaches to see the total solar eclipse 2026 On Aug. 12, 2026, some of the best beaches in the world will play host to totality. Praia de Alba e Sabón, Galicia - 2. Playa de Langre, Cantabria - 3.

Space.com 3d ago

Pave-GRPO: Beyond Instantaneous Guidance through Principled Average Velocity Decomposition

Announce Type: new Abstract: Post-training via Group Relative Policy Optimization (GRPO) has emerged as a powerful paradigm for aligning flow-based generative models with human preferences. However, the iterative denoising nature of flow models incurs substantial costs when generating group rollouts for policy-gradient updates, compelling existing methods to train with extremely few denoising steps. This temporal sparsity severely restricts preference optimization: reward feedback can only...

arXiv CS 8d ago

HORIZON: Recoverability-Governed Curriculum for Physical-Domain Scaling

Announce Type: new Abstract: Scaling robust robot policies requires more than broader randomization, because physical-domain experience must remain organized and learnable throughout training. We study when a policy can benefit from harder physics and identify recoverability as a central constraint in on-policy physical-domain scaling. In on-policy training, new dynamics are useful only insofar as they remain close enough to the current policy to generate corrective on-policy data, rather...

arXiv CS 6d ago

Hamas says won’t surrender arms but only police will carry weapons in Gaza

Hamas says won’t surrender arms but only police will carry weapons in Gaza Hamas official Husam Badran, in an exclusive interview with Al Jazeera, lays out what the group is ready to do ahead of Cairo talks. Hamas says it will not hand over its weapons right now, resisting ongoing disarmament demands and stating that the ultimate fate of its military arsenal will be decided following comprehensive discussions with other Palestinian factions. In an exclusive interview with Al Jazeera, Husam...

Al Jazeera 5d ago

Quantifying the Energy Floor: Direct Measurement and Replay Buffer Bias in SAC-Based HVAC Control on sbsim

Announce Type: new Abstract: We quantify the energy floor -- the minimum achievable cost given action space constraints -- for Soft Actor-Critic (SAC) HVAC control on the sbsim calibrated building simulator. Through minimum-action experiments, we directly measure this floor at USD 35.51/day, dominated by continuous electrical loads (USD 35.44, 99.8%) with negligible gas consumption. The standard SAC baseline, initialized with schedule-policy replay buffer transitions, converges to USD...

arXiv CS 8d ago

Grid Capacity Expansion under Data Centers and Electrified Manufacturing Large Loads

arXiv:2605.29053v2 Announce Type: replace Abstract: In this paper, we consider the expansion of power grids under emerging large loads from data centers and electrified manufacturing. We develop a multi-period grid capacity expansion model to determine optimal investment profiles for power generation, storage, and transmission capacity while accounting for hourly power dispatch, such that electricity demand is satisfied and the total planning and operation cost is minimized. We also propose...

arXiv CS 9d ago

LimeWire AI Studio Review 2023: Details, Pricing & Features

nbsp;In the rapidly advancing landscape of AI technology and innovation, LimeWire emerges as a unique platform in the realm of generative AI tools. This platform not only stands out from the multitude of existing AI tools but also brings a fresh approach to content generation. LimeWire not only empowers users to create AI content but also provides creators with creative ways to share and monetize their creations.

TechCrunch 911d ago

No Way to Make a Deal

President Trump skipped his eldest son’s wedding and held staff back in Washington over the holiday weekend, expecting that a deal with Iran that he said on Saturday was “largely negotiated” would soon be ready. His secretary of state, Marco Rubio, who was on a four-day trip to India, said on Sunday that a deal could come that day. Then he said the same thing on Monday.

The Atlantic 14d ago