concepts

## concepts concepts |

## Functions

librdf_node * | librdf_get_concept_resource_by_index ()
librdf_uri * | librdf_get_concept_uri_by_index ()
librdf_uri * | librdf_get_concept_ms_namespace ()
librdf_uri * | librdf_get_concept_schema_namespace ()

## Types and Values

#define | LIBRDF_MS_Alt
#define | LIBRDF_MS_Alt_URI
#define | LIBRDF_MS_Bag
#define | LIBRDF_MS_Bag_URI
#define | LIBRDF_MS_Description
#define | LIBRDF_MS_Description_URI
#define | LIBRDF_MS_Property
#define | LIBRDF_MS_Property_URI
#define | LIBRDF_MS_RDF
#define | LIBRDF_MS_RDF_URI
#define | LIBRDF_MS_Seq
#define | LIBRDF_MS_Seq_URI
#define | LIBRDF_MS_Statement
#define | LIBRDF_MS_Statement_URI
#define | LIBRDF_MS_aboutEach
#define | LIBRDF_MS_aboutEachPrefix
#define | LIBRDF_MS_aboutEachPrefix_URI
#define | LIBRDF_MS_aboutEach_URI
#define | LIBRDF_MS_li
#define | LIBRDF_MS_li_URI
#define | LIBRDF_MS_object
#define | LIBRDF_MS_object_URI
#define | LIBRDF_MS_predicate
#define | LIBRDF_MS_predicate_URI
#define | LIBRDF_MS_subject
#define | LIBRDF_MS_subject_URI
#define | LIBRDF_MS_type
#define | LIBRDF_MS_type_URI
#define | LIBRDF_MS_value
#define | LIBRDF_MS_value_URI
#define | LIBRDF_RS_List
#define | LIBRDF_RS_List_URI
#define | LIBRDF_RS_XMLLiteral
#define | LIBRDF_RS_XMLLiteral_URI
#define | LIBRDF_RS_first
#define | LIBRDF_RS_first_URI
#define | LIBRDF_RS_nil
#define | LIBRDF_RS_nil_URI
#define | LIBRDF_RS_nodeID
#define | LIBRDF_RS_nodeID_URI
#define | LIBRDF_RS_rest
#define | LIBRDF_RS_rest_URI
#define | LIBRDF_S_Class
#define | LIBRDF_S_Class_URI
#define | LIBRDF_S_ConstraintProperty
#define | LIBRDF_S_ConstraintProperty_URI
#define | LIBRDF_S_ConstraintResource
#define | LIBRDF_S_ConstraintResource_URI
#define | LIBRDF_S_Container
#define | LIBRDF_S_ContainerMembershipProperty
#define | LIBRDF_S_ContainerMembershipProperty_URI
#define | LIBRDF_S_Container_URI
#define | LIBRDF_S_Literal
#define | LIBRDF_S_Literal_URI
#define | LIBRDF_S_Resource
#define | LIBRDF_S_Resource_URI
#define | LIBRDF_S_comment
#define | LIBRDF_S_comment_URI
#define | LIBRDF_S_domain
#define | LIBRDF_S_domain_URI
#define | LIBRDF_S_isDefinedBy
#define | LIBRDF_S_isDefinedBy_URI
#define | LIBRDF_S_label
#define | LIBRDF_S_label_URI
#define | LIBRDF_S_range
#define | LIBRDF_S_range_URI
#define | LIBRDF_S_seeAlso
#define | LIBRDF_S_seeAlso_URI
#define | LIBRDF_S_subClassOf
#define | LIBRDF_S_subClassOf_URI
#define | LIBRDF_S_subPropertyOf
#define | LIBRDF_S_subPropertyOf_URI
#define | LIBRDF_URI_RDF_MS
#define | LIBRDF_URI_RDF_SCHEMA

## Description

## Functions

### librdf_get_concept_resource_by_index ()

    librdf_node *
    librdf_get_concept_resource_by_index (librdf_world *world,
                                          librdf_concepts_index idx);

Get Redland node object for RDF concepts.

#### Parameters

world | redland world object |
idx | librdf_concepts_index |

#### Returns

librdf_node pointer or NULL on failure.

### librdf_get_concept_uri_by_index ()

    librdf_uri *
    librdf_get_concept_uri_by_index (librdf_world *world,
                                     librdf_concepts_index idx);

Get Redland uri object for RDF concepts.

#### Parameters

world | redland world object |
idx | librdf_concepts_index |

#### Returns

librdf_uri pointer or NULL on failure.

### librdf_get_concept_ms_namespace ()

    librdf_uri *
    librdf_get_concept_ms_namespace (librdf_world *world);

Get a shared librdf_uri for the RDF Syntax namespace.

#### Parameters

world | librdf world object |

#### Returns

librdf_uri pointer or NULL on failure.

### librdf_get_concept_schema_namespace ()

    librdf_uri *
    librdf_get_concept_schema_namespace (librdf_world *world);

Get a shared librdf_uri for the RDF Schema namespace.

#### Parameters

world | librdf world object |

#### Returns

librdf_uri pointer or NULL on failure.

## Types and Values

### LIBRDF_MS_Alt

    #define LIBRDF_MS_Alt

RDF namespace concept librdf_node Alt

### LIBRDF_MS_Alt_URI

    #define LIBRDF_MS_Alt_URI

RDF namespace concept URI Alt

### LIBRDF_MS_Bag

    #define LIBRDF_MS_Bag

RDF namespace concept librdf_node Bag

### LIBRDF_MS_Bag_URI

    #define LIBRDF_MS_Bag_URI

RDF namespace concept URI Bag

### LIBRDF_MS_Description

    #define LIBRDF_MS_Description

RDF namespace concept librdf_node Description

### LIBRDF_MS_Description_URI

    #define LIBRDF_MS_Description_URI

RDF namespace concept URI Description

### LIBRDF_MS_Property

    #define LIBRDF_MS_Property

RDF namespace concept librdf_node Property

### LIBRDF_MS_Property_URI

    #define LIBRDF_MS_Property_URI

RDF namespace concept URI Property

### LIBRDF_MS_RDF

    #define LIBRDF_MS_RDF

RDF namespace concept librdf_node RDF

### LIBRDF_MS_RDF_URI

    #define LIBRDF_MS_RDF_URI

RDF namespace concept URI RDF

### LIBRDF_MS_Seq

    #define LIBRDF_MS_Seq

RDF namespace concept librdf_node Seq

### LIBRDF_MS_Seq_URI

    #define LIBRDF_MS_Seq_URI

RDF namespace concept URI Seq

### LIBRDF_MS_Statement

    #define LIBRDF_MS_Statement

RDF namespace concept librdf_node Statement

### LIBRDF_MS_Statement_URI

    #define LIBRDF_MS_Statement_URI

RDF namespace concept URI Statement

### LIBRDF_MS_aboutEach

    #define LIBRDF_MS_aboutEach

RDF namespace concept librdf_node aboutEach

### LIBRDF_MS_aboutEachPrefix

    #define LIBRDF_MS_aboutEachPrefix

RDF namespace concept librdf_node aboutEachPrefix

### LIBRDF_MS_aboutEachPrefix_URI

    #define LIBRDF_MS_aboutEachPrefix_URI

RDF namespace concept URI aboutEachPrefix

### LIBRDF_MS_aboutEach_URI

    #define LIBRDF_MS_aboutEach_URI

RDF namespace concept URI aboutEach

### LIBRDF_MS_li

    #define LIBRDF_MS_li

RDF namespace concept librdf_node li

### LIBRDF_MS_li_URI

    #define LIBRDF_MS_li_URI

RDF namespace concept URI li

### LIBRDF_MS_object

    #define LIBRDF_MS_object

RDF namespace concept librdf_node object

### LIBRDF_MS_object_URI

    #define LIBRDF_MS_object_URI

RDF namespace concept URI object

### LIBRDF_MS_predicate

    #define LIBRDF_MS_predicate

RDF namespace concept librdf_node predicate

### LIBRDF_MS_predicate_URI

    #define LIBRDF_MS_predicate_URI

RDF namespace concept URI predicate

### LIBRDF_MS_subject

    #define LIBRDF_MS_subject

RDF namespace concept librdf_node subject

### LIBRDF_MS_subject_URI

    #define LIBRDF_MS_subject_URI

RDF namespace concept URI subject

### LIBRDF_MS_type

    #define LIBRDF_MS_type

RDF namespace concept librdf_node type

### LIBRDF_MS_type_URI

    #define LIBRDF_MS_type_URI

RDF namespace concept URI type

### LIBRDF_MS_value

    #define LIBRDF_MS_value

RDF namespace concept librdf_node value

### LIBRDF_MS_value_URI

    #define LIBRDF_MS_value_URI

RDF namespace concept URI value

### LIBRDF_RS_List

    #define LIBRDF_RS_List

RDF namespace concept librdf_node List

### LIBRDF_RS_List_URI

    #define LIBRDF_RS_List_URI

RDF namespace concept URI List

### LIBRDF_RS_XMLLiteral

    #define LIBRDF_RS_XMLLiteral

RDF namespace concept librdf_node XMLLiteral

### LIBRDF_RS_XMLLiteral_URI

    #define LIBRDF_RS_XMLLiteral_URI

RDF namespace concept URI XMLLiteral

### LIBRDF_RS_first

    #define LIBRDF_RS_first

RDF namespace concept librdf_node first

### LIBRDF_RS_first_URI

    #define LIBRDF_RS_first_URI

RDF namespace concept URI first

### LIBRDF_RS_nil

    #define LIBRDF_RS_nil

RDF namespace concept librdf_node nil

### LIBRDF_RS_nil_URI

    #define LIBRDF_RS_nil_URI

RDF namespace concept URI nil

### LIBRDF_RS_nodeID

    #define LIBRDF_RS_nodeID

RDF namespace concept librdf_node nodeID

### LIBRDF_RS_nodeID_URI

    #define LIBRDF_RS_nodeID_URI

RDF namespace concept URI nodeID

### LIBRDF_RS_rest

    #define LIBRDF_RS_rest

RDF namespace concept librdf_node rest

### LIBRDF_RS_rest_URI

    #define LIBRDF_RS_rest_URI

RDF namespace concept URI rest

### LIBRDF_S_Class

    #define LIBRDF_S_Class

RDFS namespace concept Class

### LIBRDF_S_Class_URI

    #define LIBRDF_S_Class_URI

RDFS namespace concept URI Class

### LIBRDF_S_ConstraintProperty

    #define LIBRDF_S_ConstraintProperty

RDFS namespace concept ConstraintProperty

### LIBRDF_S_ConstraintProperty_URI

    #define LIBRDF_S_ConstraintProperty_URI

RDFS namespace concept URI ConstraintProperty

### LIBRDF_S_ConstraintResource

    #define LIBRDF_S_ConstraintResource

RDFS namespace concept ConstraintResource

### LIBRDF_S_ConstraintResource_URI

    #define LIBRDF_S_ConstraintResource_URI

RDFS namespace concept URI ConstraintResource

### LIBRDF_S_Container

    #define LIBRDF_S_Container

RDFS namespace concept Container

### LIBRDF_S_ContainerMembershipProperty

    #define LIBRDF_S_ContainerMembershipProperty

RDFS namespace concept ContainerMembershipProperty

### LIBRDF_S_ContainerMembershipProperty_URI

    #define LIBRDF_S_ContainerMembershipProperty_URI

RDFS namespace concept URI ContainerMembershipProperty

### LIBRDF_S_Container_URI

    #define LIBRDF_S_Container_URI

RDFS namespace concept URI Container

### LIBRDF_S_Literal

    #define LIBRDF_S_Literal

RDFS namespace concept Literal

### LIBRDF_S_Literal_URI

    #define LIBRDF_S_Literal_URI

RDFS namespace concept URI Literal

### LIBRDF_S_Resource

    #define LIBRDF_S_Resource

RDFS namespace concept Resource

### LIBRDF_S_Resource_URI

    #define LIBRDF_S_Resource_URI

RDFS namespace concept URI Resource

### LIBRDF_S_comment

    #define LIBRDF_S_comment

RDFS namespace concept comment

### LIBRDF_S_comment_URI

    #define LIBRDF_S_comment_URI

RDFS namespace concept URI comment

### LIBRDF_S_domain

    #define LIBRDF_S_domain

RDFS namespace concept domain

### LIBRDF_S_domain_URI

    #define LIBRDF_S_domain_URI

RDFS namespace concept URI domain

### LIBRDF_S_isDefinedBy

    #define LIBRDF_S_isDefinedBy

RDFS namespace concept isDefinedBy

### LIBRDF_S_isDefinedBy_URI

    #define LIBRDF_S_isDefinedBy_URI

RDFS namespace concept URI isDefinedBy

### LIBRDF_S_label

    #define LIBRDF_S_label

RDFS namespace concept label

### LIBRDF_S_label_URI

    #define LIBRDF_S_label_URI

RDFS namespace concept URI label

### LIBRDF_S_range

    #define LIBRDF_S_range

RDFS namespace concept range

### LIBRDF_S_range_URI

    #define LIBRDF_S_range_URI

RDFS namespace concept URI range

### LIBRDF_S_seeAlso

    #define LIBRDF_S_seeAlso

RDFS namespace concept seeAlso

### LIBRDF_S_seeAlso_URI

    #define LIBRDF_S_seeAlso_URI

RDFS namespace concept URI seeAlso

### LIBRDF_S_subClassOf

    #define LIBRDF_S_subClassOf

RDFS namespace concept subClassOf

### LIBRDF_S_subClassOf_URI

    #define LIBRDF_S_subClassOf_URI

RDFS namespace concept URI subClassOf

### LIBRDF_S_subPropertyOf

    #define LIBRDF_S_subPropertyOf

RDFS namespace concept subPropertyOf

### LIBRDF_S_subPropertyOf_URI

    #define LIBRDF_S_subPropertyOf_URI

RDFS namespace concept URI subPropertyOf

### LIBRDF_URI_RDF_MS

    #define LIBRDF_URI_RDF_MS

librdf_uri for `rdf:` namespace. Copy with `librdf_new_uri_from_uri()` before using.

### LIBRDF_URI_RDF_SCHEMA

    #define LIBRDF_URI_RDF_SCHEMA

librdf_uri for `rdfs:` namespace. Copy with `librdf_new_uri_from_uri()` before using.