Australia's NEXTDC inks MoU with OpenAI to develop AI infrastructure in Sydney, shares jump NEXTDC Ltd said on Friday it inked a memorandum of understanding with ChatGPT maker OpenAI to collaborate on ...

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。

Benin's government said on Sunday its armed forces had foiled a coup attempt after a group of soldiers in the West African nation claimed on national television to have seized power. Israeli soldiers ...