#Boolean search and pdf#
This isn’t a bad thing if it’s intentional, but I have a feeling it isn’t for some of these.įor instance, its site has a lead-generation landing page for a white paper about the total cost of ownership for 3D printers:īut this PDF is indexed, so you can easily access it without filling in your details: Dropped in 2019 when Google+ shut down.Įyeballing the results of a site: search for your website can uncover potential indexing issues.įor example, if we combine it with the filetype: operator, we see that this 3D printing company has quite a few PDFs indexed: Search for information about a specific page or website. Search for pages linking to a particular domain or URL. Search for posts with certain words in the title in Google’s discontinued Blog Search. Same as inpostauthor:, but removes the need for quotes. Search for posts by a specific author in the discontinued Google Blog Search. Search for results mentioning an exact word or phrase. Not working (officially dropped by Google) Search operator Search for results from a particular date range. Search for pages with two words or phrases within X words of one another.įind news from a certain location in Google News. Search for pages with backlinks containing multiple words in their anchor text. Search for pages with backlinks containing specific anchor text. You can also use the _ operator, which acts as a wildcard in Google Autocomplete. Search for results from after a particular date. Search for results from before a particular date. Search for results from a particular source in Google News. Search for stock information for a ticker. Search for pages with multiple words in their content. Search for pages with a particular word in their content.
Search for pages with multiple words in the URL. Search for pages with a particular word in the URL. Search for pages with multiple words in the title tag. Search for pages with a particular word in the title tag. Search for sites related to a given domain. Search for results from a particular website. Search for particular types of files (e.g., PDF). Search for the definition of a word or phrase. Search for results that don’t mention a word or phrase. Search for results that mention a word or phrase. Here’s the full list: Working Search operator Not working – Officially deprecated by Google.Unreliable – Not officially deprecated by Google, but results are hit-and-miss.Every item about dengue would be returned, as would those that discuss both of the other two.Google search operators: the complete listīelow is a brief description of what every Google search operator does. Since dengue fever has been a concern for over 250 years, this search would yield different results. dengue OR ( malaria AND zika) = every article about dengue, or those that discuss both zika and malaria.
As the zika virus has only recently been a serious issue, this would limit the number of results. Every item returned would mention zika, and either dengue or malaria. ( dengue OR malaria) AND zika = articles about dengue or malaria, that also discuss zika.For example:ĭengue OR malaria AND zika can be interpreted as To make sure you get the search you want, use parentheses - every database follows those rules. Different databases have different rules about combining searches. Think of your search in concepts, then put those concepts inside parentheses. Searching on "dengue fever" will return only items with that exact phrase. If you're searching for a phrase rather than just a single word, you can group the words together with quotation marks. Note: sometimes AND NOT is used serves the same function as NOT. Searching on malaria NOT zika returns items that are about malaria, but will specifically NOT return items that contain the word zika. NOT eliminates items that contain the specified term.Searching on dengue OR malaria OR zika returns all items that contain any of the three search terms. OR searches find one term or the other.For example, searching on dengue AND malaria AND zika returns only results that contain all three search terms.
There are three basic Boolean search commands: AND, OR and NOT.ĪND searches find all of the search terms. Using the correct Boolean operator can make all the difference in a successful search. Boolean logic is a building block of many computer applications and is an important concept in database searching.
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