Attorney General Pamela Bondi on Monday defended a controversial Trump administration proposal to eliminate the ATF and merge its functions into the Drug Enforcement Administration. The plan, outlined ...

As this year comes to a close, many experts have begun to look ahead to next year. Here are several predictions for trends in ...

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。（更多信息可自行搜索查阅） ...