occhi

<h2 id="%E5%89%8D%E6%8F%90%E7%9F%A5%E8%AD%98">
<a class="header-anchor-link" href="#%E5%89%8D%E6%8F%90%E7%9F%A5%E8%AD%98" aria-hidden="true"></a> 前提知識</h2>
<p>転置インデックス<br style="display:none">
<span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__f406b2848514f" src="https://embed.zenn.studio/card#zenn-embedded__f406b2848514f" data-content="https%3A%2F%2Fja.m.wikipedia.org%2Fwiki%2F%25E8%25BB%25A2%25E7%25BD%25AE%25E3%2582%25A4%25E3%2583%25B3%25E3%2583%2587%25E3%2583%2583%25E3%2582%25AF%25E3%2582%25B9" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://ja.m.wikipedia.org/wiki/%E8%BB%A2%E7%BD%AE%E3%82%A4%E3%83%B3%E3%83%87%E3%83%83%E3%82%AF%E3%82%B9" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://ja.m.wikipedia.org/wiki/転置インデックス</a></p>
<p>バイグラムによる転置インデックス<br style="display:none">
<span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__fda274f83f517" src="https://embed.zenn.studio/card#zenn-embedded__fda274f83f517" data-content="https%3A%2F%2Fgihyo.jp%2Fdev%2Fserial%2F01%2Fmake-findspot%2F0005" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://gihyo.jp/dev/serial/01/make-findspot/0005" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://gihyo.jp/dev/serial/01/make-findspot/0005</a></p>
<p>実例がわかりやすい記事<br style="display:none">
<span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__596c0aa191906" src="https://embed.zenn.studio/card#zenn-embedded__596c0aa191906" data-content="https%3A%2F%2Fwww.lifull.blog%2Fentry%2F2021%2F09%2F29%2F100000" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://www.lifull.blog/entry/2021/09/29/100000" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://www.lifull.blog/entry/2021/09/29/100000</a></p>


<h2 id="bigram(2-gram)%E3%81%AE%E4%BE%8B">
<a class="header-anchor-link" href="#bigram(2-gram)%E3%81%AE%E4%BE%8B" aria-hidden="true"></a> bigram(2-gram)の例</h2>
<div class="code-block-container"><pre><code>"東京都港区六本木一丁目"
=&gt; ["東京", "京都", "都港", "港区", "区六", "六本", "本木", "木一", "一丁", "丁目"]
</code></pre></div>

<p><span class="embed-block zenn-embedded zenn-embedded-card"><iframe id="zenn-embedded__99bff25ba0fd3" src="https://embed.zenn.studio/card#zenn-embedded__99bff25ba0fd3" data-content="https%3A%2F%2Fgithub.com%2Fsho-work%2Fngram_full_text_search" frameborder="0" scrolling="no" loading="lazy"></iframe></span><a href="https://github.com/sho-work/ngram_full_text_search" style="display:none" target="_blank" rel="nofollow noopener noreferrer">https://github.com/sho-work/ngram_full_text_search</a></p>
