product-example checked
PubMed Advanced Search Builder
Documents an advanced search builder that lets users pick fields, add terms with AND, OR, or NOT, browse indexes, preview result counts in history, combine prior searches, and inspect search details.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Advanced search | Choose advanced search when users must combine multiple search clauses before execution, such as field plus operator plus value joined by AND, OR, or NOT. | Adding a clause appends a visible field, operator, value, and joiner to the canonical query state. | PubMed documents advanced builder fields, Boolean add actions, indexes, history, result-count preview, and search details. |
Evidence Role
This source is treated as product-example evidence. Use it to validate the decision rules above, not as a visual style reference.
Publisher: National Library of Medicine. Last checked: .