congressional and hearing retrieves documents with both the word "congressional" and "hearing" anywhere inside the document.For example, entering and or AND will return the same results. Note: Boolean operators are not case sensitive. - Operator: The "-" operator is the same as the NOT operator and tells the search engine to exclude documents from a search if they contain the keywords.NOT: The NOT operator tells the search engine to exclude documents from a search if they contain the keywords.OR: The OR operator tells the search engine to return documents if they contain one or more keywords.This operator narrows the search and returns fewer search results AND: The AND operator tells the search engine to return only documents with all the keywords you entered.Note: Since "and" is in quotes, it is treated as a phrase instead of being treated as an operator.Ī Boolean search is a search that uses the logical (i.e., Boolean) operators (AND, OR, NOT, -) in addition to the keywords. ways "and" means retrieves Documents with the words "ways", "and", and "means" anywhere in the document. "ways and means" retrieves documents with the words "ways", "and", and "means" in the specified order, right next to each other."congressional hearing" retrieves Documents with the word "congressional" directly followed by the word "hearing".Quotation marks tell the search engine to return documents if and only if they contain the exact phrase or string of words between quotes. The search engine will look for both words in the document and return those documents where both words can be found anywhere in the document. To search for only those documents that contain both the words Bill and Clinton, you can enter Bill Clinton into the Search Box and click the Search button. It is recommended that parentheses be used around the proximity expression when creating complex queries. When proximity operators are used, the operator only applies to the word, or phrase in quotes, immediately before and after the operator. For example, title:(legislation environment). It is recommended that parentheses be used with field operators.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |