QUALITY_0004 — unnecessary-parentheses

Error Code: QUALITY_0004

Message: Unnecessary parentheses in queries

Problematic query:

("digital health" OR "eHealth") OR ("remote monitoring" OR "telehealth")

Recommended query:

"digital health" OR "eHealth" OR "remote monitoring" OR "telehealth

Explanation: Parentheses are unnecessary when all operators used are associative and have equal precedence (like a series of ORs or a series of ANDs). In such cases, the grouping does not influence the evaluation result and adds unnecessary complexity.

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