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feat(core): tuning for better search (#7713)

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EYHN
2024-08-05 02:29:50 +00:00
parent ad26102815
commit f108b95704
3 changed files with 3 additions and 2 deletions
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1
packages/common/infra/src/sync/indexer/impl/indexeddb/__tests__/bm25.spec.ts
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@@ -6,4 +6,5 @@ test('bm25', () => {
expect(bm25(1, 1, 10, 10, 15)).toEqual(3.2792079793859643);
expect(bm25(2, 1, 10, 10, 15) > bm25(1, 1, 10, 10, 15)).toBeTruthy();
expect(bm25(1, 1, 10, 10, 15) > bm25(2, 1, 10, 100, 15)).toBeTruthy();
expect(bm25(1, 1, 10, 10, 15) > bm25(1, 1, 10, 100, 15)).toBeTruthy();
});

2
packages/common/infra/src/sync/indexer/impl/indexeddb/bm25.ts
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@@ -57,6 +57,6 @@ export const bm25 = (
invDocFreq *
(d +
(termFreq * (k + 1)) /
(termFreq + k * (1 - b + (b * fieldLength) / avgFieldLength)))
(termFreq + k * (1 - b + b * (fieldLength / avgFieldLength))))
);
};