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 ...

Energy & Green Tech

Simulations evaluate new electrolytes for batteries of the future

A computational study published in the Journal of Molecular Liquids makes important contributions to the development of new, safe, high-performance batteries by investigating compounds that can be used as electrolytes in ...

Computer Sciences

AI tech can compress LLM chatbot conversation memory by 3–4 times

Seoul National University College of Engineering announced that a research team led by Professor Hyun Oh Song from the Department of Computer Science and Engineering has developed a new AI technology called KVzip that intelligently ...

Computer Sciences

Design principles for more reliable and trustworthy AI artists

When users ask ChatGPT to generate an image in a Ghibli style, the actual image is created by DALL-E, a tool powered by diffusion models. Although these models produce stunning images—such as transforming photos into artistic ...

Computer Sciences

Human-centric photo dataset aims to help spot AI biases responsibly

A database of more than 10,000 human images to evaluate biases in artificial intelligence (AI) models for human-centric computer vision is presented in Nature this week. The Fair Human-Centric Image Benchmark (FHIBE), developed ...

Computer Sciences

Computer model mimics human audiovisual perception

A new computer model developed at the University of Liverpool can combine sight and sound in a way that closely resembles how humans do it. This model is inspired by biology and could be useful for artificial intelligence ...

Computer Sciences

RiverMamba: New AI architecture improves flood forecasting

Extreme weather events such as heavy rain and flooding pose growing challenges for early warning systems worldwide. Researchers at the University Bonn, the Forschungszentrum Jülich (FZJ), and the Lamarr Institute for Machine ...

Consumer & Gadgets

VR hand gestures risk excluding millions, study finds

Hand gesture controls being developed for the next generation of virtual and augmented reality systems risk excluding millions of people, including those with common conditions such as arthritis and carpal tunnel syndrome, ...

Business

Firefly-inspired algorithm tackles resource allocation problem

Bio-inspired computational methods have gained popularity recently. These methods mimic the seemingly complex behavior of organisms to tackle difficult and often overwhelming problems. For example, algorithms have been inspired ...

Computer Sciences

Anonymity's ARX nemesis

A team of faculty and students from George Mason University recently discovered a vulnerability in a widely used anonymization tool. They presented their findings last week in Taiwan at the Association for Computing Machinery ...