Advanced Searching - Search Fields


This section contains some examples of the query syntax that can be used to find CEDAR artifacts by field name and/or value.

Finding metadata instances by field name and/or field value

Suppose the following metadata instance:

Examples of queries that will retrieve the instance above:

  • Search by field name and value:

    title:statistics

    publisher:"City of New York"

    "publishing institution":"City of New York" (note that ‘Publishing Institution’ has been defined in the template as the preferred label of the field ‘Publisher’)

  • Search by field name (any value):

    publisher:*, or publisher:

  • Search by field value (any name):

    *:"New York", or :"New York"

  • Boolean queries:

    title:Statistics OR title:Math (the OR is optional)

    title:(Statistics OR Math)

    title:Math OR (title:Statistics AND publisher:"New York")

    Dataset OR disease:CRC

  • Wildcard queries:

    • One or more characters: title:stat*

    • Single character: title:stat?stics

  • URLs:

    url:https://catalog.data.gov/dataset/demographic-statistics-by-zip-code-acfc9

  • Ontology terms:

    • Search by term label: topic:statistics

    • Search by term URI: topic:http://edamontology.org/topic_2269

    • Search by term label and URI: topic:http://edamontology.org/topic_2269 AND topic:data

Finding templates, elements, and fields, by field name

Given the template for the previous instance:

Here are some examples of queries that can be used to find the template above:

title:*, or simply title:

Publish*:

"Contact Email":

to?ic:



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© 2016 Center for Expanded Data Annotation and Retrieval
CEDAR is supported by the National Institutes of Health through an NIH Big Data to Knowledge program grant. (Grant Number 1U54AI117925-01)
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