These commands are listed below with examples. This is not an inclusive list of the commands and operators used on Dialog. Please see the various documents in the IT Lab or refer to the online resources listed above. You can also expand on a search term and find related terms if they exist. Boolean Logic is used to broaden and narrow your search.
Parentheses can add to the power of the search even further.
Parentheses can be used to dictate the order in which Dialog searches. You can search a database using the prefix PD for records with a particular publication date, or CN for those containing a particular country name. Each database has their own set of codes, so take a look at them in the Bluesheets. Language TOP Stop Words Stop words are highly common words which Dialog excludes in its index of searchable words and phrases. You will get zero results if you include these words in your search strategy.