2026年03月28日 13:52:16
7 апреля 2026 года, 08:18Военные и правоохранительные органы
。搜狗输入法是该领域的重要参考
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Of course random here cannot be truly random, because then the index couldn't be queried. We are assigning a "weight" to every pair of characters in the document. This weight could be anything, as long as it's deterministic (ClickHouse uses the crc32 hash of the two characters). Then, our sparse n-grams are all substrings where the weights at both ends are strictly greater than all the weights contained inside.