In the first group are all the people who have the keyword “recruitment” somewhere in their LinkedIn profile and in the second, all those who have the keyword “HR”. Level-up your approach to hiring with SocialTalent’s recruiting training solution. There is no limit to how often you can use any of these elements in a search, so you can create very specific search strings, which will save you a lot of time in filtering the results. These are:īy applying these appropriately, along with the keywords you wish to consider, you can create a huge range of search operations. The first important thing to appreciate about Boolean is that there are only five elements of syntax to understand. It produces more accurate and relevant results, allowing you to navigate through appropriate candidates, while disregarding the unrelated. What is Boolean Search?īoolean Search uses a combination of keywords and the three main Boolean operators ( AND, OR, and NOT) to organize and sift through your searches. But never fear! We’re here to teach you some of the tricks of the trade. However, fully constructed Boolean search strings can look both confusing and complex, and may seem difficult to write. This logic still underpins all digital devices to this day, existing in almost every line of computer code.īoolean search writing is a skill that top recruiters need to know in order to get meaningful candidate search results from a wide range of software, including LinkedIn, various job portals and Google. His legacy was Boolean logic, a theory of mathematics in which all variables are either “true” or “false”, or “on” or “off”. By equipping recruiters with the skills they need to use boolean search terms, interviewers can ensure that they can find the best people for the job.īoolean search is based on the work of prominent British mathematician George Boole. As a result, boolean search terms should be an integral part of any recruitment training program. Additionally, boolean search terms can be used to discover candidates that might not be found through traditional search methods. By understanding how to use boolean search terms, recruiters can more efficiently find candidates that are a good fit for the position they are trying to fill. If you don't put in the parentheses, the search statement is processed strictly from left to right, so that the AND is done first. This search strategy will retrieve records containing both of the concepts, Diet Therapy + Bulimia, or any records with the concept Anorexia.Boolean search terms are some of the essential tools a recruiter has at their disposal. For example, diet therapy AND ( bulimia OR anorexia ) will retrieve records containing the two concepts, Bulimia + Diet Therapy, or the two concepts, Anorexia + Diet Therapy, or records that contain all three concepts, Bulimia + Diet Therapy + Anorexia. Searches within parentheses are performed first and operations proceed from left to right. The order in which the operations (AND, OR, NOT) are processed can vary between systems. Use parentheses ( ) to separate keywords when you are using more than one operator and three or more keywords. Nesting, or mixing the Boolean operators, is a way to combine several search statements into one comprehensive search statement. For example, you could search multi-infarct dementia by using Dementia NOT Alzheimer's.īut be careful using this because you would eliminate records discussing both types of dementia, as all articles discussing Alzheimer's are eliminated. The final Boolean operator NOT allows you to exclude concepts not relevant to your search. The more concepts or keywords you OR together, the more records you will retrieve. For example, kidney disease OR renal diseases will retrieve citations using either (or both) terms. This expands your search by retrieving citations in which either or both terms appear. The Boolean operator OR allows you to broaden a concept and include synonyms. The more concepts you AND together, the fewer records you will retrieve. For example: "Does taking aspirin cause Reye's Syndrome in children?" This will retrieve citations that discuss all three concepts in each article. When terms/concepts are combined with the AND operator, retrieved records must contain all the terms. (The shading represents the outcome of the Boolean operation.) The circle diagrams that help illustrate the relationships between the sets used in Boolean logic were named after another mathematician, John Venn.
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