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

Rethinking rush hour with vehicle automation

It's often the worst part of many people's day—bottlenecked, rush-hour traffic. When the daily commute backs up, drivers lose time, burn fuel and waste energy. Researchers at the U.S. Department of Energy's National Transportation ...

Energy & Green Tech

Small modular reactors gain competitive edge with new digital twin

Advanced nuclear is within reach—and a new digital twin reveals how smarter plant operations can enhance the economic viability and safety of small modular reactors, or SMRs. In collaboration with the University of Tennessee ...

Computer Sciences

Does AI understand word impressions like humans do?

By now, it's no secret that large language models (LLMs) are experts at mimicking natural language. Trained on vast troves of data, these models have proven themselves capable of generating text so convincing that it regularly ...

Computer Sciences

New method helps AI reason like humans without extra training data

A study led by UC Riverside researchers offers a practical fix to one of artificial intelligence's toughest challenges by enabling AI systems to reason more like humans—without requiring new training data beyond test questions.

Internet

Making blockchain fast enough for IoT networks

The vision of a fully connected world is rapidly becoming a reality through the Internet of Things (IoT)—a growing network of physical devices that collect and share data over the Internet, including everything from small ...

Computer Sciences

Creative talent: Has AI knocked humans out?

Are generative artificial intelligence systems such as ChatGPT truly creative? A research team led by Professor Karim Jerbi from the Department of Psychology at the Université de Montréal, and including AI pioneer Yoshua ...

Computer Sciences

Using AI to understand how emotions are formed

Emotions are a fundamental part of human psychology—a complex process that has long distinguished us from machines. Even advanced artificial intelligence (AI) lacks the capacity to feel. However, researchers are now exploring ...