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Physical Reservoir Computing in Hook-Shaped Rover Wheel Spokes for Real-Time Terrain Identification

arXiv.org Artificial Intelligence

Effective terrain detection in unknown environments is crucial for safe and efficient robotic navigation. Traditional methods often rely on computationally intensive data processing, requiring extensive onboard computational capacity and limiting real-time performance for rovers. This study presents a novel approach that combines physical reservoir computing with piezoelectric sensors embedded in rover wheel spokes for real-time terrain identification. By leveraging wheel dynamics, terrain-induced vibrations are transformed into high-dimensional features for machine learning-based classification. Experimental results show that strategically placing three sensors on the wheel spokes achieves 90$\%$ classification accuracy, which demonstrates the accuracy and feasibility of the proposed method. The experiment results also showed that the system can effectively distinguish known terrains and identify unknown terrains by analyzing their similarity to learned categories. This method provides a robust, low-power framework for real-time terrain classification and roughness estimation in unstructured environments, enhancing rover autonomy and adaptability.


On the Definition of Robustness and Resilience of AI Agents for Real-time Congestion Management

arXiv.org Artificial Intelligence

The European Union's Artificial Intelligence (AI) Act defines robustness, resilience, and security requirements for high-risk sectors but lacks detailed methodologies for assessment. This paper introduces a novel framework for quantitatively evaluating the robustness and resilience of reinforcement learning agents in congestion management. Using the AI-friendly digital environment Grid2Op, perturbation agents simulate natural and adversarial disruptions by perturbing the input of AI systems without altering the actual state of the environment, enabling the assessment of AI performance under various scenarios. Robustness is measured through stability and reward impact metrics, while resilience quantifies recovery from performance degradation. The results demonstrate the framework's effectiveness in identifying vulnerabilities and improving AI robustness and resilience for critical applications.


Large Language Model-Based Knowledge Graph System Construction for Sustainable Development Goals: An AI-Based Speculative Design Perspective

arXiv.org Artificial Intelligence

From 2000 to 2015, the UN's Millennium Development Goals guided global priorities. The subsequent Sustainable Development Goals (SDGs) adopted a more dynamic approach, with annual indicator updates. As 2030 nears and progress lags, innovative acceleration strategies are critical. This study develops an AI-powered knowledge graph system to analyze SDG interconnections, discover potential new goals, and visualize them online. Using official SDG texts, Elsevier's keyword dataset, and 1,127 TED Talk transcripts (2020.01-2024.04), a pilot on 269 talks from 2023 applies AI-speculative design, large language models, and retrieval-augmented generation. Key findings include: (1) Heatmap analysis reveals strong associations between Goal 10 and Goal 16, and minimal coverage of Goal 6. (2) In the knowledge graph, simulated dialogue over time reveals new central nodes, showing how richer data supports divergent thinking and goal clarity. (3) Six potential new goals are proposed, centered on equity, resilience, and technology-driven inclusion. This speculative-AI framework offers fresh insights for policymakers and lays groundwork for future multimodal and cross-system SDG applications.


Benchmarking Suite for Synthetic Aperture Radar Imagery Anomaly Detection (SARIAD) Algorithms

arXiv.org Artificial Intelligence

Anomaly detection is a key research challenge in computer vision and machine learning with applications in many fields from quality control to radar imaging. In radar imaging, specifically synthetic aperture radar (SAR), anomaly detection can be used for the classification, detection, and segmentation of objects of interest. However, there is no method for developing and benchmarking these methods on SAR imagery. To address this issue, we introduce SAR imagery anomaly detection (SARIAD). In conjunction with Anomalib, a deep-learning library for anomaly detection, SARIAD provides a comprehensive suite of algorithms and datasets for assessing and developing anomaly detection approaches on SAR imagery. SARIAD specifically integrates multiple SAR datasets along with tools to effectively apply various anomaly detection algorithms to SAR imagery. Several anomaly detection metrics and visualizations are available. Overall, SARIAD acts as a central package for benchmarking SAR models and datasets to allow for reproducible research in the field of anomaly detection in SAR imagery. This package is publicly available: https://github.com/Advanced-Vision-and-Learning-Lab/SARIAD.


KFinEval-Pilot: A Comprehensive Benchmark Suite for Korean Financial Language Understanding

arXiv.org Artificial Intelligence

We introduce KFinEval-Pilot, a benchmark suite specifically designed to evaluate large language models (LLMs) in the Korean financial domain. Addressing the limitations of existing English-centric benchmarks, KFinEval-Pilot comprises over 1,000 curated questions across three critical areas: financial knowledge, legal reasoning, and financial toxicity. The benchmark is constructed through a semi-automated pipeline that combines GPT-4-generated prompts with expert validation to ensure domain relevance and factual accuracy. We evaluate a range of representative LLMs and observe notable performance differences across models, with trade-offs between task accuracy and output safety across different model families. These results highlight persistent challenges in applying LLMs to high-stakes financial applications, particularly in reasoning and safety. Grounded in real-world financial use cases and aligned with the Korean regulatory and linguistic context, KFinEval-Pilot serves as an early diagnostic tool for developing safer and more reliable financial AI systems.


Investigating cybersecurity incidents using large language models in latest-generation wireless networks

arXiv.org Artificial Intelligence

The purpose of research: Detection of cybersecurity incidents and analysis of decision support and assessment of the effectiveness of measures to counter information security threats based on modern generative models. The methods of research: Emulation of signal propagation data in MIMO systems, synthesis of adversarial examples, execution of adversarial attacks on machine learning models, fine tuning of large language models for detecting adversarial attacks, explainability of decisions on detecting cybersecurity incidents based on the prompts technique. Scientific novelty: A binary classification of data poisoning attacks was performed using large language models, and the possibility of using large language models for investigating cybersecurity incidents in the latest generation wireless networks was investigated. The result of research: Fine-tuning of large language models was performed on the prepared data of the emulated wireless network segment. Six large language models were compared for detecting adversarial attacks, and the capabilities of explaining decisions made by a large language model were investigated. The Gemma-7b model showed the best results according to the metrics Precision = 0.89, Recall = 0.89 and F1-Score = 0.89. Based on various explainability prompts, the Gemma-7b model notes inconsistencies in the compromised data under study, performs feature importance analysis and provides various recommendations for mitigating the consequences of adversarial attacks. Large language models integrated with binary classifiers of network threats have significant potential for practical application in the field of cybersecurity incident investigation, decision support and assessing the effectiveness of measures to counter information security threats.


'Easter truce' in Russia's Ukraine war marked by accusations of violations

Al Jazeera

Ukraine and Russia have accused each other of breaching an "Easter truce" announced by Russian President Vladimir Putin that Ukraine said was being violated from the moment it started. In a surprise announcement on Saturday, Putin ordered his forces to "stop all military activity" along the front line in the war against Ukraine, citing humanitarian reasons. The 30-hour cessation of hostilities would have been the most significant pause in the fighting throughout the three-year conflict. But just hours after the order was meant to have come into effect, air raid sirens sounded in Kyiv and several other Ukrainian regions, with President Volodymyr Zelenskyy accusing Russia of having maintained its attacks and engaging in a PR stunt. Russia's Ministry of Defence also alleged on Sunday that Ukraine had broken the truce more than 1,000 times.


It's not too late to stop Trump and the Silicon Valley broligarchy from controlling our lives, but we must act now Carole Cadwalladr

The Guardian

To walk into the lion's den once might be considered foolhardy. To do so again after being mauled by the lion? Six years ago I gave a talk at Ted, the world's leading technology and ideas conference. It led to a gruelling lawsuit and a series of consequences that reverberate through my life to this day. And last week I returned. To give another talk that would incorporate some of my experience: a Ted Talk about being sued for giving a Ted Talk, and how the lessons I'd learned from surviving all that were a model for surviving "broligarchy" – a concept I first wrote about in the Observer in July last year: the alignment of Silicon Valley and autocracy, and a kind of power the world has never seen before.


Ukraine's Zelenskyy skeptical of Putin's Easter ceasefire, says previous truce proposal by US was ignored

FOX News

Former CIA station chief Dan Hoffman joins'Fox News Live' to discuss Russian President Vladimir Putin's announcement of a ceasefire in Ukraine on Easter Day. Ukrainian President Volodymyr Zelenskyy expressed skepticism over Russian President Vladimir Putin's announcement Saturday that Russia would observe a temporary ceasefire during the Easter holiday. After the announcement, Zelenskyy posted on X that air raid alerts were ringing out across Ukraine, adding that Russian attack drones were detected in the skies. "Shahed drones in our skies reveal Putin's true attitude toward Easter and toward human life," he wrote. The Kremlin on Saturday shared a video in which Putin said, "Guided by humanitarian considerations, today from 18:00 to 00:00, from Sunday to Monday, the Russian side declares an Easter truce.'"


Russia-Ukraine war: List of key events, day 1,150

Al Jazeera

Russia launched eight missiles and 87 drones in an overnight attack on Ukraine on Saturday, causing damage in five regions across the country, the Ukrainian air force said. Air defence units shot down 33 Russian drones while another 36 were redirected by electronic warfare. Damage was recorded in five regions in the south, northeast and east. A Russian missile attack killed one person in Kharkiv, while a drone attack killed another in Sumy, with at least five children among dozens injured. Kharkiv Mayor Ihor Terekhov said 15 residential buildings, a business and an educational facility were damaged in the attack.