How Do I Construct a Search Using Boolean Operators?
While Google-type searching will work in HeinOnline, advanced searching techniques may be used to formulate more specific searches. Either method will produce on-point results, but using the syntax described below will help to refine those results.
When forming a search query using the main search bar or advanced search options, you may use Boolean Operators (AND, +, OR, NOT, -) to combine multiple terms. If using these operators, you must capitalize the words AND, OR, and NOT to form the most effective search queries. Additionally, quotations are important when searching for a phrase or multiple phrases. Below are a few tips for building search queries using the Advanced and main search bar options.
Tip #1 – Boolean Operators must be all CAPITALS. Use AND vs. and, OR vs. or, NOT vs. not. Using lower case operators can greatly impact the quantity and quality of your search results.
Example: “power imbalance” OR “power balance in mediation”
Tip #2 – A phrase must be enclosed in “quotation marks”. When building a search query, use quotations around a phrase to ensure that your results include documents containing the entire phrase.
Example: “global warming”
The above tips are applicable when building a search query in the main search bar or Advanced Search options. Note that fields are defined within the Advanced Search tool, so while the search parameters still apply, be sure to search within the appropriate fields. For example, to find articles with both the phrase “civil rights” AND the word criminal within the article title, use the Article Title field: