Module org.opengis.geoapi

Package org.opengis.metadata.identification

Interface Keywords

@UML(identifier="MD_Keywords",
     specification=ISO_19115)
public interface Keywords

Keywords, their type and reference source.

Note: when the resource described is a service, one instance of Keywords should refer to the service taxonomy defined in ISO 191119.

Since:

2.0

Method Summary

Modifier and Type	Method	Description
default KeywordClass	getKeywordClass()	User-defined categorization of groups of keywords that extend or are orthogonal to the standardized keyword type codes.
Collection<? extends InternationalString>	getKeywords()	Commonly used word(s) or formalised word(s) or phrase(s) used to describe the subject.
default Citation	getThesaurusName()	Name of the formally registered thesaurus or a similar authoritative source of keywords.
default KeywordType	getType()	Subject matter used to group similar keywords.

Method Details

getKeywords

@UML(identifier="keyword",
     obligation=MANDATORY,
     specification=ISO_19115)
Collection<? extends InternationalString> getKeywords()

Commonly used word(s) or formalised word(s) or phrase(s) used to describe the subject.

Returns:

word(s) or phrase(s) used to describe the subject.

getType

@UML(identifier="type",
     obligation=OPTIONAL,
     specification=ISO_19115)
default KeywordType getType()

Subject matter used to group similar keywords.

Returns:

subject matter used to group similar keywords, or null.

getThesaurusName

@UML(identifier="thesaurusName",
     obligation=OPTIONAL,
     specification=ISO_19115)
default Citation getThesaurusName()

Name of the formally registered thesaurus or a similar authoritative source of keywords.

Returns:

name of registered thesaurus or similar authoritative source of keywords, or null.

getKeywordClass

@UML(identifier="keywordClass",
     obligation=OPTIONAL,
     specification=ISO_19115)
default KeywordClass getKeywordClass()

User-defined categorization of groups of keywords that extend or are orthogonal to the standardized keyword type codes. Keyword classes are associated with on ontology that allow additional semantic query processing.

Note: the thesaurus citation specifies a collection of instances from some ontology, but is not an ontology. It might be a list of places that include rivers, mountains, counties and cities. There might be a Laconte county, the city of Laconte, the Laconte River, and Mt. Laconte; when searching it is useful for the user to be able to restrict the search to only rivers.

Returns:

user-defined categorization of groups of keywords, or null if none.

Since:

3.1