Accelerate your tech game Paid Content How the New Space Race Will Drive Innovation How the metaverse will change the future of work and society Managing the ...

Zipping files enables users to organize their files more efficiently and expedite sharing. Windows 11's native tools enable users to compress multiple files and folders without additional software.

Storing and syncing files in the cloud makes your life easier and keeps your data safer. The top cloud storage services we've tested let you easily share and access files from anywhere and restore ...

KazMunayGas事件是一面镜子，映照出当前网络安全生态在高对抗环境下的脆弱认知结构。当技术指标被迅速转化为地缘政治叙事，误判不仅可能引发市场波动、外交摩擦，更会消耗本应用于真实威胁的防御资源。解决之道不在否定威胁存在，而在建立更严谨的事实—推断 ...

BM25 是一种用于信息检索的排名函数，用于衡量查询与文档的相关性。它基于词频（t）和文档长度进行加权计算，同时考虑逆文档频率（IDF）以惩罚常见词。在整个公式中，需重点关注总文档数 N 和文档频率 DF 等全局统计信息，这些信息直接影响实现的难度。

Think your Wi-Fi is safe? Your coding tools? Or even your favorite financial apps? This week proves again how hackers, ...

Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...