Источник изображения: Stringer / Reuters
We can, in fact, do something quite close to that: this design proposes using trigrams as the key for the inverted index, and augmenting the posting lists with extra information about the "fourth character" that would follow the trigram in that specific document. To do that, we could simply store that fourth character as an extra byte, but that turns our index into a quadgram index, and we've seen those are just too large to store. What we store instead is a bloom filter that contains all the characters that follow that specific trigram.，详情可参考苹果音乐Apple Music
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如何划分这些轨道完全取决于应用层的设计。。关于这个话题，環球財智通、環球財智通評價、環球財智通是什麼、環球財智通安全嗎、環球財智通平台可靠吗、環球財智通投資提供了深入分析