Boolean operators AND, OR and NOT, combine with our precision search algorithm, can help refine your search by combining or limiting terms. Boolean logic is a system of showing relationships between sets by using the words "AND," "OR," and "NOT."
IntelligenceBank Boolean Search parameters:
| Operator | Search Term | IntelligenceBank Notes |
|---|---|---|
| None | ying yang | ying yang : both words must match. Results where they appear together as a phrase are ranked higher |
| None (3+ keywords) | ying yang zen | ying yang zen : at least 2 out of 3 words must match (70% minimum). Results where matching words appear together as phrases are ranked higher |
| Quotations | "ying yang" | "ying yang" : any documents that contain the exact phrase "ying yang" |
| And | ying AND yang | ying AND yang : any documents that must contain both the words ying and yang |
| And (no space) | ying ANDyang | ying ANDyang : any documents that contain the word ying OR the word ANDyang |
| And (combination) | ying AND "yang" | ying AND "yang" : any documents that must contain both the words ying and yang |
| And (no spaces) | yingANDyang | yingANDyang : any documents that contain the word yingANDyang |
| Or | ying OR yang | ying OR yang : any documents that contain the word yang or the word ying (at least one must match) |
| Not | ying NOT yang | ying NOT yang : any documents that contain the word ying but not the word yang |
Notes
- + is not equivalent to AND
- + requires the following term to exist in the document
- && is an equivalent to AND
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