University Library

Search technique

The Primo search engine searches for all your search terms - i.e. a search for "global warming" (no quotation marks) will provide you with results that contain both words global and warming. Primo makes use of a number of techniques to make sure that you get the maximum number of relevant results. It uses inflections of search terms, synonyms etc.


Results are sorted according to relevance. The relevance calculation is based on where the search terms appear in the record, as well as on a number of other factors. You can change the sorting once you have a search result.

Special characters and combinations

  • If you type one or more words, all of them must appear in every record, if they are to be part of your result.
  • If you type someting in inverted commas - e.g. "global warming" - the entire strand must be matched in the search result.
  • 'AND' or 'OR' marks explicit search criteria - e.g. communication AND lean, danmark OR denmark
  • 'NOT' leaves out results with certain words - e.g. denmark NOT sweden
  • Wildcards: Use * for one or more signs - e.g. farm* for farmer, farming etc. Use ? for single characters - e.g. advi?e for advise, advice. Use ?? as wildcard for the Danish letters Æ, Ø and å.
  • You can refine your search result by limiting it using keywords, type of material etc. You can see your criteria for limitation to the left of your search result. 

Use facets

You can limit your search by using the facets to your left. You can e.g. limit your search to a specific type of material, or material from a specific database etc. It is an easy and quick way to reduce your result.

Please notice that some facets - e.g. author - may vary depending on the source. Thus, if you limit your search to "Hansen, Anders" as author, you are likely to get all of his results regardless of data source.

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Aalborg University Library, Aalborg University. All inquiries regarding the contents of this page should be directed to the library's web editors. Photos/model photos: and others.