SEARCH TIPS - EXPERT SEARCH

Use an Expert Search to perform a complex search in a single string, using search codes and boolean operators

• Search Codes and the boolean operators - AND, OR, NOT - must be written in uppercase and the search terms to be enclosed by parenthesis - e.g. ALL=(“climate change”) AND AB=(arctic)
• When you use the same search code for multiple search terms connected by OR, include all search terms within one parenthesis. e.g. ALL=(water OR ocean)
• When a query contains more than one of the three boolean operators, you can use additional parentheses to control the order of execution - e.g. (DAF=(“aarhus university”) NOT GAF=("lund university")) AND (ALL=("climate change"))
• The database uses word stemming in all queries based on the English language. If you search for the word 'programming', the search engine reduces the word to its stem – ‘program' and returns records containing words like 'programs', 'programmer' etc. Likewise querying the phrase "migrant worker" will also return records with the phrase "migrant workers"
• If you need a more comprehensive result you can use truncation (*) - e.g. querying 'dem*' will return results that include any ending of that root word 'dem' e.g. 'demonstrates’, ‘dementia', 'demographics' whereas the search term 'dem' alone will not
• When searching for Contributors (e.g. author names) using quotation marks (" ") around the name search will enhance your precision - e.g. querying CON=("larsen, jessica") will give you a more precise search results than just querying CON=(larsen, jessica)

REFINE YOUR SEARCH

Use the filter menu to the left to get an overview or apply filters to refine your search result

• Open a filter, select one or more filter options and click Apply
• When combining more options within the same filter the values are combined by a boolean OR
• When combining more options across different filters the values across are combined by a boolean AND

DATABASE & UPDATE STATUS

For information about the current update status of the database go to the operation status on www.forskningsportal.dk