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From USD Scenes to Knowledge Graphs: Zero-Shot Ontology Grounding with LLMs
new Abstract: Constructing knowledge graphs from 3D simulation scenes is essential for robot task reasoning, but the key bottleneck, grounding scene objects to formal ontology classes, still relies on manually curated dictionaries that are brittle and do not generalize across assets. We investigate whether large language models (LLMs) can automate this grounding step for Universal Scene Description (USD) scenes as a zero-shot, training-free alternative. On a kitchen scene (125 objects) with...
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...
Affine Filtering Measurements and Their Applications to Quantum Decoding
Announce Type: cross Abstract: Unambiguous state discrimination (USD) measurements are attractive because outcomes are either marked as conclusive (i.e., error free) or inconclusive (i.e., erased). We study affine filtering measurements, a structured variant of USD for decoding classical linear codes over pure-state classical-quantum channels, where a conclusive outcome identifies an affine subspace containing the transmitted codeword and an inconclusive outcome is treated as an erasure. For...
SUSD: Structured Unsupervised Skill Discovery through State Factorization
Announce Type: replace Abstract: Unsupervised Skill Discovery (USD) aims to autonomously learn a diverse set of skills without relying on extrinsic rewards. One of the most common USD approaches is to maximize the Mutual Information (MI) between skill latent variables and states. However, MI-based methods tend to favor simple, static skills due to their invariance properties, limiting the discovery of dynamic, task-relevant behaviors.
Bastet: A Fine-Grained Expert-Labeled Dataset for DeFi Smart Contract Vulnerability Detection
arXiv:2606.03387v1 Announce Type: new Abstract: Smart contract vulnerabilities in Decentralized Finance (DeFi) protocols resulted in over 1.49 billion USD in confirmed losses in 2024 alone, across 192 incidents [1]. As LLM-based vulnerability detection emerges as a promising approach to address these threats, the quality of evaluation datasets has become a critical bottleneck. Existing datasets suffer from three fundamental problems: they are built on outdated Solidity versions (e.g., v0.4)...
FIFA cancels mispriced free World Cup tickets after website error
FIFA cancels mispriced free World Cup tickets after website error June 5 : FIFA has cancelled World Cup tickets for about 60 fans who were able to mistakenly purchase them for free due to a website error, and world soccer's governing body is now asking for them to be paid in full. The affected fans were notified on Wednesday about tickets that were "allocated at no charge (0 USD) due to a prior payment issue during the checkout process", FIFA said on X. “The tickets requested by these fans...
Real-Time Group Dynamics with LLM Facilitation: Evidence from a Charity Allocation Task
arXiv:2605.14097v2 Announce Type: replace Abstract: As large language models (LLMs) evolve from single-user assistants to active participants in civic and workplace deliberation, evaluating their effects on collective decision making becomes a governance challenge. We present two empirical studies (N=879) of real-time, text-based group deliberation in an incentive-compatible charity allocation task with real financial stakes ($7,200 USD). Groups of three allocate a donation budget under...
FIFA cancels World Cup tickets for about 60 fans who got them for free
FIFA cancels World Cup tickets for about 60 fans who got them for free Mispriced tickets were sold through the official World Cup site ahead of next week’s showpiece event for FIFA. FIFA has cancelled World Cup tickets issued to about 60 fans who mistakenly got them for free because of a website error. The tickets were “allocated at no charge (0 USD) due to a prior payment issue during the checkout process,” FIFA said in a statement on Thursday.
FIFA cancels WC tickets given free by mistake
FIFA has canceled World Cup tickets issued to about 60 fans who mistakenly got them for free because of a website error. The tickets were "allocated at no charge (0 USD) due to a prior payment issue during the checkout process," FIFA said in a statement Thursday. "FIFA regrets the error and any inconvenience caused," soccer's ruling body said.
Fifa asks fans mistakenly issued free World Cup tickets to re-buy at full price
Governing body ‘regrets’ website error that caused glitchTicketing process being investigated by attorneys generalFifa has canceled World Cup tickets issued to about 60 fans who mistakenly got them for free because of a website error, and soccer’s governing body is now asking for them to be paid in full. The tickets were “allocated at no charge [0 USD] due to a prior payment issue during the checkout process,” Fifa said in a statement Thursday.