Stopping RAG Answers at 'I Don't Know': Implementing Insufficient Evidence Detection in Python

When building a RAG system for internal documents, you will encounter situations where it plausibly answers things not ...
BIOENGINEER

Smartphones Track Daily Movement but Show Variable Agreement with Wearables

A naturalistic study of over 8,000 participants found that smartphone sensors provide moderate agreement with Fitbit ...
BIOENGINEER

Advanced Analysis Reveals Century-Long Atmospheric Corrosion Dynamics in Steel Truss Bridges

A computational study using advanced nonlinear structural analysis shows how atmospheric corrosion erodes steel truss bridge ...
Reuters

Data Privacy

Australia's spy agency, federal police hit by Microsoft outage Australia's spy agency and federal police were among organisations caught up in an outage of Microsoft programmes on ‌Friday, with the ...
腾讯网

Qwen4-Max Preview实测：4800万条数据26分钟跑完，强！

Qwen 系列模型在开源社区一直有很好的口碑，最近阿里发布了Qwen4-Max 预览版。 但最近忙深圳 GEO 大会，直到今天才有空测试。 跑了几个实际项目，感觉是国产第一梯队。 万圣节那天，他打开 Youtube 想看视频放松下，结果看到一堆为了流量夸张到极点的视频封面，内容也都很无聊。 一怒之下，他用 Claude Opus 5.5，消耗 5 亿 Token，两小时开发出了HackerTube ...