http://programmer.ie/tags/neighborhood-preservation/ Recent content in Neighborhood Preservation on Programmer.ie: Modern AI programming Hugo en-us Wed, 09 Sep 2026 01:50:00 +0000 http://programmer.ie/books/embeddings-from-first-principles/25-chapter/ Wed, 09 Sep 2026 01:50:00 +0000 http://programmer.ie/books/embeddings-from-first-principles/25-chapter/ <p><em>Research Coda — What Alignment Really Preserves</em></p> <h2 id="the-result-that-looks-like-success">The result that looks like success</h2> <p>Suppose a bridge translates vectors from space A into space B. On a held-out set, the true B-space counterpart appears in the translated vector&rsquo;s top ten <strong>99.7%</strong> of the time.</p> <p>That sounds finished.</p> <p>Now ask a different question: does the translated vector have the same ten neighbors as the native B-space vector?</p> <p>The answer can be barely <strong>59%</strong>.</p>