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Candidate Search on ResearchGate supports Boolean search queries with AND, OR, NOT, “ ”, and ( ). 

Use Boolean operators to optimise your queries

  • AND: Search for candidates that match both search terms
  • OR: Broaden your search by searching for candidates matching any term
  • NOT: Use to exclude candidates matching a specific term

Without the use of any operators, all search terms will automatically be “OR” connected.

Using Boolean operators helps find candidates that match a specific combination of search terms.

Example: Microglia AND Huntington’s disease


Use quotation marks “ ” to search for candidates who match an exact phrase

Quotation marks can help narrow down the list of search results to the most relevant candidates

Example: Huntington’s disease returns candidates who are matching either the exact phrase ‘Huntington’s disease’ or any part of it, both ‘Huntington’s’ or ‘disease’; whereas “Huntington’s disease” in quotations returns only candidates who are matching the exact phrase. 


Use parentheses ( ) to create a more complex search:

Candidate Search recognizes AND as the primary operator, meaning that search terms with AND will be connected together first.

Therefore, if you use a combination of AND and OR operators in your search, use parentheses for all the words you want to be “OR” connected. 

Examples: (Java OR Python) AND (Kafka OR Hbase OR Flink OR Hive)

“Brain stimulation” AND (Parkinson OR Dystonia)


Once you have found a candidate you would like to contact using Candidate Search, you will find the 'Send message' option on the Experience tab of their profile.