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Estimating LLM Consistency: A User Baseline vs Surrogate Metrics

arXiv.org Artificial Intelligence

Large language models (LLMs) are prone to hallucinations and sensitive to prompt perturbations, often resulting in inconsistent or unreliable generated text. Different methods have been proposed to mitigate such hallucinations and fragility, one of which is to measure the consistency of LLM responses -- the model's confidence in the response or likelihood of generating a similar response when resampled. In previous work, measuring LLM response consistency often relied on calculating the probability of a response appearing within a pool of resampled responses, analyzing internal states, or evaluating logits of responses. However, it was not clear how well these approaches approximated users' perceptions of consistency of LLM responses. To find out, we performed a user study ($n=2,976$) demonstrating that current methods for measuring LLM response consistency typically do not align well with humans' perceptions of LLM consistency. We propose a logit-based ensemble method for estimating LLM consistency and show that our method matches the performance of the best-performing existing metric in estimating human ratings of LLM consistency. Our results suggest that methods for estimating LLM consistency without human evaluation are sufficiently imperfect to warrant broader use of evaluation with human input; this would avoid misjudging the adequacy of models because of the imperfections of automated consistency metrics.


FalconWing: An Ultra-Light Indoor Fixed-Wing UAV Platform for Vision-Based Autonomy

arXiv.org Artificial Intelligence

We introduce FalconWing, an ultra-light (150 g) indoor fixed-wing UAV platform for vision-based autonomy. Controlled indoor environment enables year-round repeatable UAV experiment but imposes strict weight and maneuverability limits on the UAV, motivating our ultra-light FalconWing design. FalconWing couples a lightweight hardware stack (137g airframe with a 9g camera) and offboard computation with a software stack featuring a photorealistic 3D Gaussian Splat (GSplat) simulator for developing and evaluating vision-based controllers. We validate FalconWing on two challenging vision-based aerial case studies. In the leader-follower case study, our best vision-based controller, trained via imitation learning on GSplat-rendered data augmented with domain randomization, achieves 100% tracking success across 3 types of leader maneuvers over 30 trials and shows robustness to leader's appearance shifts in simulation. In the autonomous landing case study, our vision-based controller trained purely in simulation transfers zero-shot to real hardware, achieving an 80% success rate over ten landing trials. We will release hardware designs, GSplat scenes, and dynamics models upon publication to make FalconWing an open-source flight kit for engineering students and research labs.


Leaked recording reveals Campbell's exec's sickening remarks about iconic soup's ingredients

Daily Mail - Science & tech

Leaked recording reveals Campbell's exec's sickening remarks about iconic soup's ingredients How Lauren Sanchez would REALLY look if she'd never had rumored plastic surgery Trump's losing control... MAGA's imploding... and White House insiders tell me why they're REALLY worried: ANDREW NEIL Billionaire family posts VERY unusual obituary after heir, 40, met violent end at $2.8m hunting lodge following marriage scandal These women have lost as much as nine stone WITHOUT jabs: Now they reveal secret to their stunning success, the extraordinary event that brought them together and how it's changed their lives... Judge throws out Comey and James cases as Trump's beauty queen prosecutor is humiliated Her moving videos about the handsome boyfriend who ghosted her went viral and catapulted her to overnight fame. Kate Gosselin's ex Jon is seen at his splashy wedding for the first time as son Collin weighs in on his siblings not attending Fugitive'Slender Man' stabber Morgan Geyser snapped'just Google me' when asked for ID by cops who found her with MUCH older lover It all seems to be falling apart now! Pete Hegseth drops hammer on Democrat senator in'sedition' storm as court martial looms after Trump's execution threat Sabrina Carpenter looks unrecognisable in throwback snap from seven years ago as fans call her rebranding'wild' Neuralink's'Patient 4' feared missing months after getting revolutionary brain chip... now his wife tells the REAL heartbreaking story NFL's first transgender cheerleader makes explosive allegation against Carolina Panthers Slash your cholesterol by a third in just a month... hundreds of thousands are on a new diet that's transforming lives. Leaked recording reveals Campbell's exec's sickening remarks about iconic soup's ingredients Campbell Soup is facing a firestorm after a former employee allegedly secretly recorded a vice president insulting both the company's products and its customers. Robert Garza of Michigan filed a lawsuit against Campbell's on Thursday and released audio he says features Vice President and Chief Information Security Officer Martin Bally.


Trump launches 'Genesis Mission' to supercharge US scientific AI innovation

FOX News

President Donald Trump signed an executive order launching the "Genesis Mission" to accelerate AI use for scientific discovery through public-private collaboration.


Pumpkin's secret health powers go far beyond the holidays, experts say

FOX News

Certified holistic nutritionist Robin DeCicco explains how pumpkin's antioxidants and carotenoids help protect against cell damage and reduce inflammatory conditions.


What Bigfoot hunters get right (and very wrong)

Popular Science

'Bigfooters' often employ credible scientific methods in their searches. Breakthroughs, discoveries, and DIY tips sent every weekday. Bigfoot remains firmly in the realm of cryptozoology, along with the likes of the Loch Ness monster . However, its pursuers often are not the stereotypical crackpots depicted across pop culture. According to two social scientists, they frequently rely on widely accepted, reliable methods and tools to search for the elusive Sasquatch.


Trump Is Boosting MAGA X Accounts Operating Overseas

WIRED

A new feature on X revealed that many influential MAGA accounts are not actually based in the US. President Donald Trump has continued sharing their posts anyway. A new feature on X has revealed that a number of major MAGA accounts on the platform are operated by people based overseas. And in the days since these accounts were exposed, President Donald Trump has continued boosting several of them. Many of the accounts, which have large followings and claim to be conservative people based in Texas or "America First" accounts "promoting good resisting evil," are actually operated everywhere from Chile and Nigeria to Russia and across eastern Europe .


Neuralink's 'Patient 4' feared missing months after getting revolutionary brain chip... now his wife tells the REAL heartbreaking story

Daily Mail - Science & tech

Leaked recording reveals Campbell's exec's sickening remarks about iconic soup's ingredients How Lauren Sanchez would REALLY look if she'd never had rumored plastic surgery Trump's losing control... MAGA's imploding... and White House insiders tell me why they're REALLY worried: ANDREW NEIL Billionaire family posts VERY unusual obituary after heir, 40, met violent end at $2.8m hunting lodge following marriage scandal These women have lost as much as nine stone WITHOUT jabs: Now they reveal secret to their stunning success, the extraordinary event that brought them together and how it's changed their lives... Judge throws out Comey and James cases as Trump's beauty queen prosecutor is humiliated Her moving videos about the handsome boyfriend who ghosted her went viral and catapulted her to overnight fame. Kate Gosselin's ex Jon is seen at his splashy wedding for the first time as son Collin weighs in on his siblings not attending Fugitive'Slender Man' stabber Morgan Geyser snapped'just Google me' when asked for ID by cops who found her with MUCH older lover It all seems to be falling apart now! Pete Hegseth drops hammer on Democrat senator in'sedition' storm as court martial looms after Trump's execution threat Sabrina Carpenter looks unrecognisable in throwback snap from seven years ago as fans call her rebranding'wild' Neuralink's'Patient 4' feared missing months after getting revolutionary brain chip... now his wife tells the REAL heartbreaking story NFL's first transgender cheerleader makes explosive allegation against Carolina Panthers Slash your cholesterol by a third in just a month... hundreds of thousands are on a new diet that's transforming lives. Neuralink's'Patient 4' feared missing months after getting revolutionary brain chip... now his wife tells the REAL heartbreaking story Rumors are swirling that one of Elon Musk's brain chip patients has vanished under mysterious circumstances. Whispers about the disappearance of Mike Melgarejo, known as'Patient 4,' began after his social media accounts went dark and a GoFundMe appeared claiming he was'not in a good place.'


Poems can hack ChatGPT? A new study reveals dangerous AI flaw

PCWorld

When you purchase through links in our articles, we may earn a small commission. Researchers found that feeding dangerous prompts in the form of poems managed to evade AI safeguards--up to 90 percent of the time. Forcing an "AI" to do your will isn't a tall order to fill--just feed it a line that carefully rhymes and you'll get it to casually kill. According to a new study, it's easy to get "AI" large language models like ChatGPT to ignore their safety settings. All you need to do is give your instructions in the form of a poem.


Your pet dog really does have wolf genes

Popular Science

Chihuahuas have about 0.2 percent wolf ancestry, according to a new study. Breakthroughs, discoveries, and DIY tips sent every weekday. While that chihuahua might seem about as similar to a wolf as a shrub is to a mighty redwood tree, some small breeds like the tiny, big-eared chihuahua have some wolf ancestry. New research published today in the journal (), finds that the majority of dogs living today have low but detectable levels of post-domestication wolf ancestry. These genes have likely helped shape multiple characteristics, including personality traits, sense of smell, and body size.