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search: boolean-filtered ranked search + 11 tests
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searchRankTfIdf/searchRankBm25 parse a boolean query, filter docs via evalQuery,
then rank survivors by relevance over the query's leaf terms (queryTerms) — the
filter-then-rank pattern. 225/225.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
giles
2026-06-06 23:58:37 +00:00
parent cfa68c3db3
commit db2a5dc6ab
7 changed files with 98 additions and 7 deletions
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plans/search-on-sx.md
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@@ -120,9 +120,15 @@ lib/search/index.sx lib/search/eval.sx
— 18 tests
- [x] proximity / NEAR — `nearDocs k t1 t2` (unordered, within k positions) — 9 tests
- [x] synonym / query expansion — `expandTerm`, `synDocs`, `synRankTfIdf` — 9 tests
- [x] boolean-filtered ranked search — `queryTerms`, `searchRankTfIdf`,
`searchRankBm25` (filter by boolean query, rank survivors by relevance) — 11 tests
## Progress log
- **Extension: boolean-filtered ranked search (225/225 total).** `searchRankTfIdf`/
`searchRankBm25` parse a boolean query, filter docs via evalQuery, then rank the
survivors by relevance over the query's leaf terms (`queryTerms`) — the real-world
filter-then-rank pattern. 11 tests.
- **Extension: synonyms/query expansion (214/214 total).** A synonym map
`[(Term,[Term])]` expands a query term to itself + synonyms (`expandTerm`); `synDocs`
unions, `synRankTfIdf` ranks the expanded set. 9 tests.