> For the complete documentation index, see [llms.txt](https://docs.wellcomecollection.org/catalogue-pipeline/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search.md).

# Search

- [wellcomecollection.org query development index](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/wellcomecollection.org-query-development-index.md)
- [Hypotheses](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses.md)
- [Concepts, subjects](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/concepts-subjects.md)
- [Contributors](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/contributors.md)
- [Titles](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/titles.md)
- [Genres](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/genres.md)
- [Reference numbers](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/reference-numbers.md)
- [Synonymous names and subjects](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/synonymous-names-and-subjects.md)
- [Mood](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/mood.md)
- [Phrases](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/phrases.md)
- [Concepts, subjects with other field](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/concepts-subjects-with-other-field.md)
- [Contributor with other field](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/contributor-with-other-field.md)
- [Title with other field](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/title-with-other-field.md)
- [Genre with other field](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/genre-with-other-field.md)
- [Reference number with other field](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/reference-number-with-other-field.md)
- [Behaviours](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/behaviours.md)
- [Further research and design considerations](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/hypotheses/further-research-and-design-considerations.md)
- [Analysis](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/analysis.md)
- [Less than 3-word searches](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/analysis/less-than-3-word-searches.md)
- [Searches with 3 words or more](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/analysis/searches-with-3-words-or-more.md)
- [Subsequent searches](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/analysis/subsequent-searches.md)
- [Query design](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/query-design.md)
- [Relevance tests](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/relevance-tests.md)
- [Test 1 - Explicit feedback](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/relevance-tests/test-1-explicit-feedback.md)
- [Test 2 - Implicit feedback](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/relevance-tests/test-2-implicit-feedback.md)
- [Test 3 - Adding notes](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/relevance-tests/test-3-adding-notes.md)
- [Test 4 - AND or OR](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/relevance-tests/test-4-and-or-or.md)
- [Test 5 - Scoring Tiers](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/relevance-tests/test-5-scoring-tiers.md)
- [Test 6 - English tokeniser and Contributors](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/relevance-tests/test-6-english-tokeniser-and-contributors.md)
- [Test 7 - BoolBoosted vs ConstScore](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/relevance-tests/test-7-boolboosted-vs-constscore.md)
- [Test 8 - BoolBoosted vs PhaserBeam](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/relevance-tests/test-8-boolboosted-vs-phaserbeam.md)
- [Collecting data](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/collecting-data.md)
- [Reporting and metrics](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/reporting-and-metrics.md)
- [Work IDs crib sheet](https://docs.wellcomecollection.org/catalogue-pipeline/other-topics/search/work-ids-crib-sheet.md)