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PerFairX: Is There a Balance Between Fairness and Personality in Large Language Model Recommendations?

arXiv.org Artificial Intelligence

The integration of Large Language Models (LLMs) into recommender systems has enabled zero-shot, personality-based personalization through prompt-based interactions, offering a new paradigm for user-centric recommendations. However, incorporating user personality traits via the OCEAN model highlights a critical tension between achieving psychological alignment and ensuring demographic fairness. To address this, we propose PerFairX, a unified evaluation framework designed to quantify the trade-offs between personalization and demographic equity in LLM-generated recommendations. Using neutral and personality-sensitive prompts across diverse user profiles, we benchmark two state-of-the-art LLMs, ChatGPT and DeepSeek, on movie (MovieLens 10M) and music (Last.fm 360K) datasets. Our results reveal that personality-aware prompting significantly improves alignment with individual traits but can exacerbate fairness disparities across demographic groups. Specifically, DeepSeek achieves stronger psychological fit but exhibits higher sensitivity to prompt variations, while ChatGPT delivers stable yet less personalized outputs. PerFairX provides a principled benchmark to guide the development of LLM-based recommender systems that are both equitable and psychologically informed, contributing to the creation of inclusive, user-centric AI applications in continual learning contexts.


The Sony Bravia 2 II TV, tested and reviewed: A budget-friendly and uncomplicated home theater upgrade

Daily Mail - Science & tech

Charlie Kirk's killer'identified' by law enforcement in manhunt after Trump indicated he knew assassin's motive Charlie Kirk's body arrives in hearse at Salt Lake City as devastated wife and family gather with JD Vance Trump's address to the nation hit by outrageous'fake' claim REVEALED: The truth about the'vanishing plane' five miles from Charlie Kirk's assassination... as private jet owner is unmasked And the armed militia mystery. FBI terror hunter blows the lid on search for Charlie Kirk's assassin... and the vital clue cops are desperate for'Shots fired' at UMass Boston: SWAT teams rush to hall of residence as terrified students sprint away from scene Elite sniper breaks down Charlie Kirk assassin's sick plot... and reveals tiny detail everyone's missed: The gun. Joe Rogan is speechless as he learns of Charlie Kirk's assassination on his podcast Fans claim NFL is'rigged' after bizarre Vikings play against Bears goes viral Biden insiders spew venom on Kamala Harris claiming her scathing critique of the former president is a'sloppy attempt at deflecting blame' for her failure Charlotte Tilbury reveals the secrets behind the Dallas Cowboys Cheerleaders' flawless look Americans are unknowingly eating endangered animals... as study finds grocery store meat is mislabeled Mom of Ukrainian stabbing suspect says'killer' is'NOT racist because he dates all kinds of girls' Dave Portnoy: Trump played a huge part in Charlie Kirk's death Charlie Kirk's assassin sniper's nest giving him a terrifying clear shot before he vanished into thin air Charlie Kirk's body to be flown home aboard Air Force Two in rare tribute Silenced by a bullet to the throat - then came the sneers. MAUREEN CALLAHAN's blistering rebuke as America faces greatest political crisis since the 60s Looking to level up your home entertainment setup this fall? Sony's newest budget smart TV is a strong contender Daily Mail journalists select and curate the products that feature on our site.


How China's Propaganda and Surveillance Systems Really Operate

WIRED

A series of corporate leaks show that Chinese technology companies function far more like their Western peers than one might imagine. A trove of internal documents leaked from a little-known Chinese company has pulled back the curtain on how digital censorship tools are being marketed and exported globally. Geedge Networks sells what amounts to a commercialized "Great Firewall" to at least four countries, including Kazakhstan, Pakistan, Ethiopia, and Myanmar. The groundbreaking leak shows in granular detail the capabilities this company has to monitor, intercept, and hack internet traffic. Researchers who examined the files described it as "digital authoritarianism as a service."


The heartbreaking reason why 1,100 victims of 9/11 have yet to be identified decades after terror attack

Daily Mail - Science & tech

'Rapid developments' in manhunt for Charlie Kirk assassin after photos of'person of interest' were released: Live updates Charlie Kirk's body to be flown home aboard Air Force Two in rare tribute Dave Portnoy slams'insane' left in furious Charlie Kirk rant... but adds Donald Trump'played a part' in death Who are Charlie Kirk's parents and who was his mentor Bill Montgomery? Savannah Chrisley says she was set to join Charlie Kirk on his tour as she shares'heartbreak' over his death And the armed militia mystery. FBI terror hunter blows the lid on search for Charlie Kirk's assassin... and the vital clue cops are desperate for Shattered boyfriend of slain Ukrainian woman speaks out and reveals reason he WANTS everyone to watch the video: 'This is important to know' Elite sniper breaks down Charlie Kirk assassin's sick plot... and reveals tiny detail everyone's missed: The gun. Jimmy Kimmel reacts to assassination of Charlie Kirk: 'No finger pointing' Elon Musk unleashes explosive rant on Kirk assassination calling the left'the party of murder' 'Radicalized' Colorado school shooter who used revolver to open fire'again and again' at screaming kids is pictured Jennifer Lopez STILL living in $68M mansion she shared with Ben Affleck one year after listing, here's why Charlie Kirk's'incredibly strong' wife is too heartbroken to tell her children that'daddy isn't coming home' NBA's first openly-gay player Jason Collins reveals brain tumor as ex-Nets center starts cancer treatment MORE: Mystery of'fifth' 9/11 plane: United Airlines pilot claims his flight was intended to be hijacked The lab in charge of identifying the victims of the 9/11 terror attack has revealed why nearly half of their work remains unfinished more than two decades later. The New York City Office of the Chief Medical Examiner (OCME) said that approximately 1,100 people who were in the World Trade Center still haven't had their remains confirmed because of insufficient DNA evidence.


18 jaw-dropping images from the 2025 ZWO Astronomy Photographer of the Year awards

Popular Science

The image was taken during the G5 storm, the most extreme level of geomagnetic storm, in May. The reds were a level of intensity the photographer had never experienced. Breakthroughs, discoveries, and DIY tips sent every weekday. When the biggest geomagnetic storm in 20 years hit Earth in May 2024, photographer Kavan Chay was in Tumbledown Bay, New Zealand. Armed with a Nikon Z 7 astro-modified camera, Chay captured a absolutely spectacular shot (seen above) of the vibrant aurora that resulted from the G5-level storm.


Charlie Kirk Was Shot and Killed in a Post-Content-Moderation World

WIRED

Researchers say that in some cases the platforms are falling short on enforcing their own content moderation rules. Minutes after conservative political activist Charlie Kirk was shot yesterday at a speaking engagement at Utah Valley University, jarring videos of the incident began circulating on apps like TikTok, Instagram, and X. In the immediate aftermath, the majority of the videos viewed by WIRED did not contain content warnings. Many began autoplaying before viewers had the option to consent. And on X, an AI-generated recap of the incident falsely indicated that Kirk had survived the shooting.


New HARR-E robot lets you summon trash pickup like an Uber for your garbage

FOX News

Oshkosh Corp. unveils HARR-E, an autonomous trash collection robot that uses AI sensors and app control to provide on-demand garbage pickup for planned communities.


Microsoft denies any link to man behind 'evil' Charlie Kirk assassination post

Daily Mail - Science & tech

FBI under pressure over open airport five miles from Charlie Kirk assassination hit as private jet'vanishes' after shooting Dave Portnoy slams'insane' left in furious Charlie Kirk rant... but adds Donald Trump'played a part' in death Elon Musk unleashes explosive rant on Kirk assassination calling the left'the party of murder' And the armed militia mystery. FBI terror hunter blows the lid on search for Charlie Kirk's assassin... and the vital clue cops are desperate for Elite sniper breaks down Charlie Kirk assassin's sick plot... and reveals tiny detail everyone's missed: The gun. Jimmy Kimmel reacts to assassination of Charlie Kirk: 'No finger pointing' Charlie Kirk's'incredibly strong' wife is too heartbroken to tell her children that'daddy isn't coming home' Sweater weather starts here - the cozy, chic pieces from Soft Surroundings you'll actually wear all season Vile protester screams'f***' Charlie Kirk as he drives through vigil Jennifer Lopez STILL living in $68M mansion she shared with Ben Affleck one year after listing, here's why NBA's first openly-gay player Jason Collins reveals brain tumor as ex-Nets center starts cancer treatment Silenced by a bullet to the throat - then came the sneers. MAUREEN CALLAHAN's blistering rebuke as America faces greatest political crisis since the 60s Microsoft denies any link to man behind'evil' Charlie Kirk assassination post A post has gone viral on X, claiming to show a Microsoft employee making'evil' comments about Charlie Kirk's assassination. Benjamin Van der Zar commented on a post saying: 'Professional hit from a few hundred yards, good job soldier.' Kirk, 31, was shot while speaking to a crowd at Utah Valley University in Orem, Utah, at 12:20pm local time.


Liberal Bluesky issues warning to all its 38m users about celebrating Charlie Kirk's assassination

Daily Mail - Science & tech

Revealed: The political activist charged for distracting cops after'saying HE shot Charlie Kirk' FBI under pressure over open airport five miles from Charlie Kirk assassination hit as private jet'vanishes' after shooting Elite sniper breaks down Charlie Kirk assassin's sick plot... and reveals tiny detail everyone's missed: The gun. Elon Musk unleashes explosive rant on Kirk assassination calling the left'the party of murder' Shocking moment left-wing politicians refuse to take part in minute's silence for Charlie Kirk in European Parliament - prompting screaming match with right-wing opponents Silenced by a bullet to the throat - then came the sneers. MAUREEN CALLAHAN's blistering rebuke as America faces greatest political crisis since the 60s Jimmy Kimmel reacts to assassination of Charlie Kirk: 'No finger pointing' Charlie Kirk's'incredibly strong' wife is too heartbroken to tell her children that'daddy isn't coming home' Sweater weather starts here - the cozy, chic pieces from Soft Surroundings you'll actually wear all season Trader Joe's continues USA takeover as it snaps up more land after opening new stores this year My last conversation with Charlie: MARK HALPERIN remembers a dedicated, political genius, who didn't hate anyone. TMZ forced to apologize after staff heard erupting in laughter as Charlie Kirk's death was announced Police tapes capture chilling details of Charlie Kirk gunman's appearance as FBI faces fury over his escape This Oscar-nominated actress, 68, will soon reunite with her ex in Spain for their daughter's wedding, can you guess who? MORE: America's most famous scientist sparks outrage among liberals after MAGA post Social media platform Bluesky has issued a warning to all of its users, saying it will remove posts or ban anyone who celebrates the assassination of Charlie Kirk.


Another French invasion! Orange and white spotted ladybirds seen for first time in the UK

Daily Mail - Science & tech

Charlie Kirk assassin's ammunition'engraved with transgender and antifascist' messages My last phone call with Charlie: MARK HALPERIN remembers a dedicated, political genius, who didn't hate anyone. FBI under pressure over open airport five miles from Charlie Kirk assassination hit as private jet'vanishes' after shooting Elite sniper breaks down Charlie Kirk assassin's sick plot... and reveals tiny detail everyone's missed: The gun. Silenced by a bullet to the throat - then came the sneers. MAUREEN CALLAHAN's blistering rebuke as America faces greatest political crisis since the 60s Musk dethroned as richest person by forgotten Wall Street darling's founder as stock soars 42% MSNBC analyst Matthew Dowd fired over'disgusting' on-air comments about Charlie Kirk shortly after conservative star was assassinated Jimmy Kimmel reacts to assassination of Charlie Kirk: 'No finger pointing' Charlie Kirk's widow wrestling with shattering truth kids must hear soon Sweater weather starts here - the cozy, chic pieces from Soft Surroundings you'll actually wear all season Trader Joe's continues USA takeover as it snaps up more land after opening new stores this year Fierce debate erupts over'non-human' technology in space after video captures UFO surviving Hellfire strike TMZ forced to apologize after staff heard erupting in laughter as Charlie Kirk's death was announced Police tapes capture chilling details of Charlie Kirk gunman's appearance as FBI faces fury over his escape This Oscar-nominated actress, 68, will soon reunite with her ex in Spain for their daughter's wedding, can you guess who? READ MORE: 'Cannibal' ladybirds from East Asia are wiping out British species It's been hundreds of years since the French last tried to conquer Britain.