第二是事件聚类去重。对所有内容做 Embedding 向量嵌入（用的 text-embedding-3-small，非常便宜），计算相关性，剔除针对同一个主题、不同信息源的重复内容。这里有一套三级通知降噪机制：相似度低于 0.85 的视为全新事件，完整推送；0.85 到 0.97 之间的视为增量更新，只推送新增信息；超过 0.97 且实体高度重合的，直接静默。一个事件簇如果连续 7 天没有更新，会自动归档。
Россиянам раскрыли способ упаковки вещей в ручную кладь по методу «судоку»20:51
，详情可参考体育直播
Staying informedTechnological protection is vital, but the ultimate layer of security is an informed user. The landscape changes rapidly—one month it’s a surge in SMS phishing "smishing") targeting super accounts, the next it’s a new exploit in popular browser extensions. Understanding why a certain threat exists is often just as important as having the software to block it.
The verify data calculated from this hash is cf919626f1360c536aaad73a.