Ontology (Shared code 0.0.2 API)

java.lang.Object
- org.wikidata.query.rdf.common.uri.Ontology

```
public final class Ontology
extends Object
```
Marks the kinds of things (items or properties).

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static class`	`Ontology.Geo` Predicates used to describe a geographic point.
`static class`	`Ontology.Quantity` Predicates used to describe a quantity.
`static class`	`Ontology.Time` Predicates used to describe a time.

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`BEST_RANK` Statements with the best rank.
`static String`	`DEPRECATED_RANK` Rank that isn't even considered best when there are no better statement.
`static String`	`DUMP` Wikibase exports dump information with this subject.
`static String`	`ITEM` Wikibase exports all items with an assertion that their RDF.TYPE is this and we filter that out.
`static String`	`NAMESPACE` Common prefix of all ontology parts.
`static String`	`NORMAL_RANK` Rank that is best if there are no preferred rank statements.
`static String`	`OLD_NAMESPACE` Old ontology prefix, for loading old dumps.
`static String`	`PREFERRED_RANK` Rank that overrides all normal rank statements.
`static String`	`PROPERTY` Wikibase exports all items with an assertion that their RDF.TYPE is this.
`static String`	`RANK` Predicate for marking Wikibase's Rank.
`static String`	`REFERENCE` Wikibase exports references with an assertion that their RDF.TYPE is this and we filter that out.
`static String`	`STATEMENT` Wikibase exports all statements with an assertion that their RDF.TYPE is this and we filter that out.
`static String`	`VALUE` Wikibase exports values with an assertion that their RDF.TYPE is this and we filter that out.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type Method and Description

static StringBuilder prefix(StringBuilder query)
Add prefix to a query.
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static StringBuilder`	`prefix(StringBuilder query)` Add prefix to a query.

- Field Detail
  - NAMESPACE
```
public static final String NAMESPACE
```
    Common prefix of all ontology parts.
    
    See Also:
    
    Constant Field Values
  - OLD_NAMESPACE
```
public static final String OLD_NAMESPACE
```
    Old ontology prefix, for loading old dumps. TODO: remove this when ontology stabilizes.
    
    See Also:
    
    Constant Field Values
  - ITEM
```
public static final String ITEM
```
    Wikibase exports all items with an assertion that their RDF.TYPE is this and we filter that out. Its also used as a inline literal type for inlining uris in Blazegraph.
    
    See Also:
    
    Constant Field Values
  - PROPERTY
```
public static final String PROPERTY
```
    Wikibase exports all items with an assertion that their RDF.TYPE is this. Its also used as a inline literal type for inlining uris in Blazegraph.
    
    See Also:
    
    Constant Field Values
  - STATEMENT
```
public static final String STATEMENT
```
    Wikibase exports all statements with an assertion that their RDF.TYPE is this and we filter that out.
    
    See Also:
    
    Constant Field Values
  - REFERENCE
```
public static final String REFERENCE
```
    Wikibase exports references with an assertion that their RDF.TYPE is this and we filter that out.
    
    See Also:
    
    Constant Field Values
  - VALUE
```
public static final String VALUE
```
    Wikibase exports values with an assertion that their RDF.TYPE is this and we filter that out.
    
    See Also:
    
    Constant Field Values
  - DUMP
```
public static final String DUMP
```
    Wikibase exports dump information with this subject.
    
    See Also:
    
    Constant Field Values
  - RANK
```
public static final String RANK
```
    Predicate for marking Wikibase's Rank.
    
    See Also:
    
    The documentation for ranking, Constant Field Values
  - BEST_RANK
```
public static final String BEST_RANK
```
    Statements with the best rank. These are the ones you usually want to find.
    
    See Also:
    
    Constant Field Values
  - PREFERRED_RANK
```
public static final String PREFERRED_RANK
```
    Rank that overrides all normal rank statements.
    
    See Also:
    
    Constant Field Values
  - NORMAL_RANK
```
public static final String NORMAL_RANK
```
    Rank that is best if there are no preferred rank statements.
    
    See Also:
    
    Constant Field Values
  - DEPRECATED_RANK
```
public static final String DEPRECATED_RANK
```
    Rank that isn't even considered best when there are no better statement. Its so bad you need to explicitly ask for things of this rank to get them.
    
    See Also:
    
    Constant Field Values
- Method Detail
  - prefix
```
public static StringBuilder prefix(StringBuilder query)
```
    Add prefix to a query.

Class Ontology

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

NAMESPACE

OLD_NAMESPACE

ITEM

PROPERTY

STATEMENT

REFERENCE

VALUE

DUMP

RANK

BEST_RANK

PREFERRED_RANK

NORMAL_RANK

DEPRECATED_RANK

Method Detail

prefix