Computer Sciences news

Computer Sciences

New index preserves AI search accuracy as records are added and deleted

When new information is continually added and old information is removed, an AI system may fail to find the correct material even when that material exists. KAIST researchers have developed a vector database technology that ...

Computer Sciences

Can scientists build a lie detector for AI chatbots?

Ask an AI chatbot for some medical advice and it might recommend you head to the hospital when all you really have is indigestion. One of the biggest issues with AI chatbots today is that they can still share false information, ...

Computer Sciences

The tests that grade AI may be getting it wrong

Before a new AI model reaches the public, its developers run it through a battery of tests known as "benchmarks," which score it on everything from reasoning ability to how safe it is for people to use. Billions of investment ...

Computer Sciences

File-notification systems leave Windows, Linux, Android and macOS vulnerable

Researchers at the Institute of Information Security at Graz University of Technology (TU Graz) have uncovered security risks in the file notification systems of the widely used operating systems Windows, Linux, Android and ...

Computer Sciences

How AI models decide not to answer a question

Large language models (LLMs), the artificial intelligence (AI) systems supporting the functioning of ChatGPT, Gemini and similar conversational platforms, are often expected to answer queries, generate texts for specific ...

Computer Sciences

A blueprint for keeping humans in control of AI

William Overman began his Ph.D. program at Stanford Graduate School of Business at an auspicious moment: just two months before ChatGPT launched publicly in November 2022, exploding the widely held understanding of what machines ...

Software

How randomness tames vast network problems

Networks are everywhere. They connect computers across the internet, carry electricity through power grids and represent transport routes for moving people and goods. Yet many problems that appear to have nothing to do with ...

Computer Sciences

Amazon's AI assistant struggles with diverse dialects, study finds

A new Cornell study has revealed that Amazon's AI shopping assistant, Rufus, gives vague or incorrect responses to users writing in some English dialects, such as African American English (AAE), especially when prompts contain ...

Computer Sciences

Can ChatGPT actually 'see' red? New study results are nuanced

ChatGPT works by analyzing vast amounts of text, identifying patterns and synthesizing them to generate responses to users' prompts. Color metaphors like "feeling blue" and "seeing red" are commonplace throughout the English ...

Computer Sciences

Novel system turns quantum bottlenecks into breakthroughs

Quantum computers have operated under a significant limitation: They can run only one program at a time. These million-dollar machines demand exclusive use even for the smallest tasks, leaving much of their expensive and ...

Computer Sciences

From position to meaning: How AI learns to read

The language capabilities of today's artificial intelligence systems are astonishing. We can now engage in natural conversations with systems like ChatGPT, Gemini, and many others, with a fluency nearly comparable to that ...