87 lines
5.4 KiB
XML
87 lines
5.4 KiB
XML
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<polygon points="0 0, 7 2.5, 0 5" fill="#555"/>
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</defs>
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<text x="360" y="22" fill="#333" font-size="14" font-weight="bold" text-anchor="middle">Word2Vec: CBOW vs Skip-gram</text>
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<!-- === CBOW (left side) === -->
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<text x="170" y="50" fill="#3498db" font-size="13" font-weight="bold" text-anchor="middle">CBOW</text>
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<text x="170" y="66" fill="#666" font-size="10" text-anchor="middle">Predict target from context</text>
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<!-- Context words (input) -->
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<text x="65" y="104" fill="#3498db" font-size="11" text-anchor="middle">the</text>
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<text x="65" y="139" fill="#3498db" font-size="11" text-anchor="middle">cat</text>
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<rect x="30" y="175" width="70" height="28" rx="5" fill="#3498db" opacity="0.12" stroke="#3498db" stroke-width="1.5"/>
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<text x="65" y="194" fill="#3498db" font-size="11" text-anchor="middle">on</text>
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<rect x="30" y="210" width="70" height="28" rx="5" fill="#3498db" opacity="0.12" stroke="#3498db" stroke-width="1.5"/>
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<text x="65" y="229" fill="#3498db" font-size="11" text-anchor="middle">the</text>
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<!-- Average box -->
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<text x="170" y="160" fill="#f39c12" font-size="11" text-anchor="middle" font-weight="bold">Average</text>
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<!-- Arrows to average -->
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<line x1="100" y1="134" x2="130" y2="152" stroke="#555" stroke-width="1" marker-end="url(#w2v-arrow)"/>
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<line x1="100" y1="189" x2="130" y2="160" stroke="#555" stroke-width="1" marker-end="url(#w2v-arrow)"/>
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<line x1="100" y1="224" x2="130" y2="164" stroke="#555" stroke-width="1" marker-end="url(#w2v-arrow)"/>
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<!-- Target word (output) -->
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<rect x="248" y="140" width="70" height="32" rx="5" fill="#e74c3c" opacity="0.15" stroke="#e74c3c" stroke-width="2"/>
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<text x="283" y="161" fill="#e74c3c" font-size="12" text-anchor="middle" font-weight="bold">sat</text>
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<line x1="210" y1="156" x2="248" y2="156" stroke="#555" stroke-width="1.2" marker-end="url(#w2v-arrow)"/>
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<text x="65" y="80" fill="#666" font-size="9" text-anchor="middle">Context</text>
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<text x="283" y="135" fill="#666" font-size="9" text-anchor="middle">Target</text>
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<!-- Divider -->
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<line x1="360" y1="45" x2="360" y2="300" stroke="#ccc" stroke-width="1" stroke-dasharray="5,3"/>
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<!-- === Skip-gram (right side) === -->
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<text x="550" y="50" fill="#27ae60" font-size="13" font-weight="bold" text-anchor="middle">Skip-gram</text>
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<text x="550" y="66" fill="#666" font-size="10" text-anchor="middle">Predict context from target</text>
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<!-- Target word (input) -->
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<rect x="420" y="140" width="70" height="32" rx="5" fill="#e74c3c" opacity="0.15" stroke="#e74c3c" stroke-width="2"/>
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<text x="455" y="161" fill="#e74c3c" font-size="12" text-anchor="middle" font-weight="bold">sat</text>
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<text x="455" y="135" fill="#666" font-size="9" text-anchor="middle">Target</text>
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<!-- Hidden layer -->
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<rect x="520" y="140" width="60" height="32" rx="6" fill="#f39c12" opacity="0.15" stroke="#f39c12" stroke-width="1.5"/>
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<text x="550" y="161" fill="#f39c12" font-size="10" text-anchor="middle" font-weight="bold">Hidden</text>
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<!-- Context words (output) -->
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<rect x="620" y="85" width="70" height="28" rx="5" fill="#27ae60" opacity="0.12" stroke="#27ae60" stroke-width="1.5"/>
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<text x="655" y="104" fill="#27ae60" font-size="11" text-anchor="middle">the</text>
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<rect x="620" y="120" width="70" height="28" rx="5" fill="#27ae60" opacity="0.12" stroke="#27ae60" stroke-width="1.5"/>
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<text x="655" y="139" fill="#27ae60" font-size="11" text-anchor="middle">cat</text>
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<rect x="620" y="175" width="70" height="28" rx="5" fill="#27ae60" opacity="0.12" stroke="#27ae60" stroke-width="1.5"/>
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<text x="655" y="194" fill="#27ae60" font-size="11" text-anchor="middle">on</text>
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<rect x="620" y="210" width="70" height="28" rx="5" fill="#27ae60" opacity="0.12" stroke="#27ae60" stroke-width="1.5"/>
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<text x="655" y="229" fill="#27ae60" font-size="11" text-anchor="middle">the</text>
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<!-- Arrows from hidden to context -->
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<line x1="580" y1="148" x2="620" y2="103" stroke="#555" stroke-width="1" marker-end="url(#w2v-arrow)"/>
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<line x1="580" y1="152" x2="620" y2="137" stroke="#555" stroke-width="1" marker-end="url(#w2v-arrow)"/>
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<line x1="580" y1="160" x2="620" y2="185" stroke="#555" stroke-width="1" marker-end="url(#w2v-arrow)"/>
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<line x1="580" y1="164" x2="620" y2="220" stroke="#555" stroke-width="1" marker-end="url(#w2v-arrow)"/>
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<text x="655" y="80" fill="#666" font-size="9" text-anchor="middle">Context</text>
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<!-- Bottom note -->
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<text x="360" y="280" fill="#666" font-size="10" text-anchor="middle">Both architectures learn dense word embeddings as a byproduct of prediction.</text>
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<text x="360" y="296" fill="#666" font-size="10" text-anchor="middle">Skip-gram works better for rare words; CBOW is faster for frequent words.</text>
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</svg> |