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The box for the full-text search is at the top right of the status bar. The full-text search helps you to look for search terms in the course or group content, in a forum or even in PDF and Word files. You can furthermore look for users, portfolio folders, artefacts, and documents in any user folder. The only exceptions are private folders since they will not be indexed.

You will only get search results of the course contents you have access to.

In order to search in more detail please use the advanced search. You will find it when clicking on the magnifier icon next to the full-text search box. Select the option "Advanced search." The mode Advanced search enables you to refine your search. Please note that these different fields have to be linked by the Boolean AND operator. This means that e.g. by filling in the fields Title and Author you will find documents containing the respective terms in all indicated fields.

Exception: The field Full-text search searches through all fields.

You will be provided with a list of search results that is linked to the learning content along with your search term. For more detailed information regarding the lucene search syntax used in OLAT please go to Apache Lucene.

Syntax

You can modify your query by means of the following syntax. 

Single terms: e.g. OLAT

Phrases: should be put in double quotation marks, e.g. "carbonated water"

Boolean operators: Single terms as well as phrases can be linked by Boolean operators. Attention Boolean operators have to be in capital letters.

  • OR: If you do not use Boolean operators between terms you are searching for the OR operator will be used.For example: "Analysing water" Calcium and "Analysing water" OR Calcium will generate the same results, that is, all documents containing either "Analysing water" or "Calcium"
  • AND: Using the AND operator will show documents containing all terms you are searching for.For example: "Analysing water" AND "Calcium" will show documents containing "Analysing water" as well as "Calcium".
  • NOT: Using the NOT operator will eliminate documents containing specific terms.For example: "Analysing water" AND "Calcium" NOT "Tap water" will show a document containing "Analysing water" and "Calcium" but not "Tap water".


Searching by means of wildcards: You can choose between two different kinds of wildcards in order to look for specific word fragments.

  • The question mark within a term stands for any single letter. For example: The query te?t will result in finding all documents containing the words "test", "text" etc.
  • The asterisk within a term stands for any number of letters. For example: The query test* will result in finding all documents containing words beginning with "test". The asterisk can also be put within a term: te*t


Fuzzy search: By means of the tilde (swung dash) ~ you can search for words with similar spelling. For example: The query sauna~ will result in finding documents containing words such as "sauna", "saunas" or "fauna".

Special characters: The following characters are part of the search syntax in OLAT:

+ - && | ! ( ) { } [ ] ^ " ~ * ? : \

If your query contains one of these characters you have to mask it using the backslash \. For example: If you are looking for the equation (1+1):2=? you have to write \(1\+1\)\:2=\? instead.

Searching through fields: In order to search through fields you can select the mode Advanced search (different fields are linked by the AND operator). Or you can search through fields by means of your own Boolean link. In order to do this please use the following field names in the Simple search mode:

    • title (=Title)
  • description(=Description)
  • content (=Searching through a text)
  • documenttype (=Document type)
  • filetype (=File type)
  • author (=Author)
  • created (=Creation date)
  • changed (=Last modification)

Example: description:Calcium will only search through the field Description.

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