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Command Query

   Enter your Command Query in the box below:





Command Query performs searches using the "Lucene" search engine syntax. With this syntax you can utilize the following searching techniques and search modification functions:

Search terms are either in the form of single words or groups of words (phrases) in double quotation marks (where the text exactly as it appears between the quotation marks is treated as a single search term). The searching techniques and search modification functions are used with search terms to generate queries.

NOTE: Keyword searching by default: If search terms (either single words or phrases) are searched for in an "Expert Query" search without a specific data field being specified and without other query syntax being utilized it will be treated as a simple keyword search, in which all fields are searched and terms indexed from full text documents are also searched. (This is equivalent to the keyword search which is available on any page in the Research Repository).

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Data fields and Data field specification

Data fields which may be searched specifically in Command Query are the following:
  • title  (for the title of the item)
  • creator  (for the name of an author or of an organisation involved with the publication of the item, such as a school or department)
  • rights  (for information about the copyright status of the item and use and reproduction policies of publishers)
  • description
  • relation  (for the title of a journal in which an article appears, or the title of a book in which a chapter appears)
  • publisher  (for the name of a publisher of place of publication)
  • type  (for the broad type of the item, such as a conference paper, journal article, book chapter, or book)
  • date  (for the year of publication)

How to searching using Data field specification

To search for text within specific Data fields, enter the field name, then a colon, and then the term to be searched. For example:

       creator:smith   should find records with the text  smith  in the  creator  field.

       rights:green   should find records with the text  green  in the  rights  field.

NOTE: Scope of Data field specification:

A field specified for searching will only apply to the search term that comes directly after it. This query,

     title:"effect of rainfall patterns"

will search for  effect of rainfall patterns  as a whole phrase in the  title  index (the quotation marks make the phrase into a single search term), whereas this query,

     title:effect of rainfall patterns

will search for only  effect  as a term in the  title  index and will search for  of ,  rainfall , and  patterns  individually as separate keyword terms.
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Boolean Operator searches

Boolean Operator searches are used in Command Query to combine multiple searching operations into a more complex query operation. The Boolean Operators are the following:
  • AND  (must be in upper case), looks for records which meet the requirements of both of the search operations that it is joining. For example, to look for records containing the term smith in the creator field that also contain the term elephant in the title field, the following search could be used:

         creator:smith AND title:elephant

    Or this search would look for records containing the term smith in any field, that also contain the term elephant in any field:

         smith AND elephant

    And this search would look for records containing the term smith in the creator field that also contain the term elephant anywhere in any field:

         creator:smith AND elephant

  • &&   can be used exactly as AND (above) is used.


  • NOT   (must be in upper case), excludes records containing a specified term. For example, to look for records containing the term smith in the creator field but not containing the term elephant in the title field, the following search could be used:

         creator:smith NOT title:elephant

    This search would look for records containing the term smith anywhere in any field which do not contain the term elephant in any field:

         smith NOT elephant

    (NOTE: the NOT operator cannot be used alone with just one search term as a complete Boolean Operator search (i.e. to retrieve all of the records which do not contain a specified term). It must be used in conjunction with a search for at least one other term which is not being used with the NOT operator.)

  • !   can be used exactly as NOT (above) is used.


  • OR  (must be in upper case), looks for records which meet the requirements of either or both of the search operations that it is joining. For example, to look for records containing the term smith in the creator field or containing the term elephant in the title field (or containing both), the following search could be used:

         creator:smith OR title:elephant

    This search would look for records containing the term smith in any field and also for records containing the term elephant in any field:

         smith OR elephant

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"Wildcards"
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Fuzzy searching
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Proximity searching
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Range searching
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Query grouping
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