1. Query Syntax for All Operators

   • General rule: For each Search Operator (SO), except the 'Job Title' operator, every term must be explicitly marked with its operator. Avoid grouping multiple terms in one set of parentheses under a single operator, even though it might seem to work algebraically. This prevents LinkedIn’s algorithm from making incorrect extrapolations.
   • Correct examples (each term marked with its operator):
     • skills:(Java) OR skills:(Python)
     • industry:(14) AND industry:(46)
     • functions:(8) OR functions:(24)
     • companysize:(A) OR companysize:(B)
   • It is recommended to never group terms without an operator for each value in the query. This ensures that the terms are properly confined to their respective fields. Terms not preceded by a specific operator in parentheses may be searched across other areas of the profile, leading to unexpected results. Therefore, every term must be marked by a Search Operator (SO) to avoid errors.
   • With all operators except Job Title, parentheses do not ensure that the terms inside them will appear close to each other in the search results. In the Job Title field, quotation marks can guarantee that two terms are adjacent, but this is not the case for operators like headline, summary, or skills. Grouping terms together in parentheses for these fields won’t force LinkedIn to treat them as a single, combined search unit. Instead, each term will be searched independently, possibly leading to results where the terms are scattered throughout the profile.

   Incorrect example (misusing parentheses to assume proximity):

   summary:(Project Manager) – This will not ensure that "Project" and "Manager" are next to each other in the summary.

   Correct examples (structuring queries to account for LinkedIn’s limitations):

   summary:(Project) AND summary:(Manager) – This ensures both terms are present in the summary, but not necessarily adjacent.

   headline:(Java) AND headline:(Engineer) – This ensures both terms are in the headline but not necessarily adjacent.

Why Follow These Rules?

• Precision: Ensures that queries return relevant and accurate results.
• Noise reduction: By avoiding combined parentheses without an operator, you minimize the risk of noise (i.e., results that might be valid but not in the field you intended to search).
• Improved readability: Clearly structured queries with operators for each term are easier to read and analyze

2. Handling multi-job profiles:

Some profiles may have multiple current employers/positions. Operators likeindustry:, seniority:, companytype:, and companysize: apply to all current positions in a profile.