A rule based on triple (subject, predicate, object) pattern.

• Class

Abstract result

The base class of validation results, typically not instantiated directly.

• Class

alternative path

The (single) value of this property must be a list of path elements, representing the elements of alternative paths.

• Property

and

RDF list of shapes to validate the value nodes against.

• Property

And constraint component

A constraint component that can be used to test whether a value node conforms to all members of a provided list of shapes.

• Constraint component

AndConstraintComponent-and

• Parameter

annotation property

The annotation property that shall be set.

• Property

annotation value

The (default) values of the annotation property.

• Property

annotation variable name

The name of the SPARQL variable from the SELECT clause that shall be used for the values.

• Property

ask

The SPARQL ASK query to execute.

• Property

Blank node

The node kind of all blank nodes.

• Node kind

Blank node or IRI

The node kind of all blank nodes or IRIs.

• Node kind

Blank node or literal

The node kind of all blank nodes or literals.

• Node kind

class

The type that all value nodes must have.

• Property

Class constraint component

A constraint component that can be used to verify that each value node is an instance of a given type.

• Constraint component

ClassConstraintComponent-class

• Parameter

closed

If set to true then the shape is closed.

• Property

Closed constraint component

A constraint component that can be used to indicate that focus nodes must only have values for those properties that have been explicitly enumerated via sh:property/sh:path.

• Constraint component

ClosedConstraintComponent-closed

• Parameter

ClosedConstraintComponent-ignoredProperties

• Parameter

condition

The shapes that the focus nodes need to conform to before a rule is executed on them.

• Property

conforms

True if the validation did not produce any validation results, and false otherwise.

• Property

constraint (in SPARQL)

Links a shape with SPARQL constraints.

• Property

Constraint component

The class of constraint components.

• Class

construct

The SPARQL CONSTRUCT query to execute.

• Property

datatype

Specifies an RDF datatype that all value nodes must have.

• Property

Datatype constraint component

A constraint component that can be used to restrict the datatype of all value nodes.

• Constraint component

DatatypeConstraintComponent-datatype

• Parameter

deactivated

If set to true then all nodes conform to this.

• Property

declare

Links a resource with its namespace prefix declarations.

• Property

default value

A default value for a property, for example for user interface tools to pre-populate input fields.

• Property

description

Human-readable descriptions for the property in the context of the surrounding shape.

• Property

detail

Links a result with other results that provide more details, for example to describe violations against nested shapes.

• Property

disjoint

Specifies a property where the set of values must be disjoint with the value nodes.

• Property

Disjoint constraint component

A constraint component that can be used to verify that the set of value nodes is disjoint with the the set of nodes that have the focus node as subject and the value of a given property as predicate.

• Constraint component

DisjointConstraintComponent-disjoint

• Parameter

entailment

An entailment regime that indicates what kind of inferencing is required by a shapes graph.

• Property

equals

Specifies a property that must have the same values as the value nodes.

• Property

Equals constraint component

A constraint component that can be used to verify that the set of value nodes is equal to the set of nodes that have the focus node as subject and the value of a given property as predicate.

• Constraint component

EqualsConstraintComponent-equals

• Parameter

exactly one

Specifies a list of shapes so that the value nodes must conform to exactly one of the shapes.

• Property

Exactly one constraint component

A constraint component that can be used to restrict the value nodes so that they conform to exactly one out of several provided shapes.

• Constraint component

expression

The node expression that must return true for the value nodes.

• Property

Expression constraint component

A constraint component that can be used to verify that a given node expression produces true for all value nodes.

• Constraint component

ExpressionConstraintComponent-expression

• Parameter

filter shape

The shape that all input nodes of the expression need to conform to.

• Property

flags

An optional flag to be used with regular expression pattern matching.

• Property

focus node

The focus node that was validated when the result was produced.

• Property

Function

The class of SHACL functions.

• Class

group

Can be used to link to a property group to indicate that a property shape belongs to a group of related property shapes.

• Property

has value

Specifies a value that must be among the value nodes.

• Property

Has-value constraint component

A constraint component that can be used to verify that one of the value nodes is a given RDF node.

• Constraint component

HasValueConstraintComponent-hasValue

• Parameter

IRI

The node kind of all IRIs.

• Node kind

IRI or literal

The node kind of all IRIs or literals.

• Node kind

ignored properties

An optional RDF list of properties that are also permitted in addition to those explicitly enumerated via sh:property/sh:path.

• Property

in

Specifies a list of allowed values so that each value node must be among the members of the given list.

• Property

In constraint component

A constraint component that can be used to exclusively enumerate the permitted value nodes.

• Constraint component

InConstraintComponent-in

• Parameter

Info

The severity for an informational validation result.

• Severity

intersection

A list of node expressions that shall be intersected.

• Property

inverse path

The (single) value of this property represents an inverse path (object to subject).

• Property

JSConstraint-js

• Parameter

JavaScript constraint

Constraints expressed in JavaScript.

• Property

JavaScript constraint component

A constraint component with the parameter sh:js linking to a sh:JSConstraint containing a sh:script.

• Constraint component

JavaScript executable

Abstract base class of resources that declare an executable JavaScript.

• Class

JavaScript function

The class of SHACL functions that execute a JavaScript function when called.

• Class

JavaScript function name

The name of the JavaScript function to execute.

• Property

JavaScript library

Represents a JavaScript library, typically identified by one or more URLs of files to include.

• Class

JavaScript library

Declares which JavaScript libraries are needed to execute this.

• Property

JavaScript library URL

Declares the URLs of a JavaScript library. This should be the absolute URL of a JavaScript file. Implementations may redirect those to local files.

• Property

JavaScript rule

The class of SHACL rules expressed using JavaScript.

• Class

JavaScript target

The class of targets that are based on JavaScript functions.

• Class

JavaScript target type

The (meta) class for parameterizable targets that are based on JavaScript functions.

• Class

JavaScript validator

A SHACL validator based on JavaScript. This can be used to declare SHACL constraint components that perform JavaScript-based validation when used.

• Class

JavaScript-based constraint

The class of constraints backed by a JavaScript function.

• Class

label template

Outlines how human-readable labels of instances of the associated Parameterizable shall be produced. The values can contain {?paramName} as placeholders for the actual values of the given parameter.

• Property

language in

Specifies a list of language tags that all value nodes must have.

• Property

Language-in constraint component

A constraint component that can be used to enumerate language tags that all value nodes must have.

• Constraint component

LanguageInConstraintComponent-languageIn

• Parameter

less than

Specifies a property that must have smaller values than the value nodes.

• Property

less than or equals

Specifies a property that must have smaller or equal values than the value nodes.

• Property

Less-than constraint component

A constraint component that can be used to verify that each value node is smaller than all the nodes that have the focus node as subject and the value of a given property as predicate.

• Constraint component

less-than-or-equals constraint component

A constraint component that can be used to verify that every value node is smaller than all the nodes that have the focus node as subject and the value of a given property as predicate.

• Constraint component

LessThanConstraintComponent-lessThan

• Parameter

LessThanOrEqualsConstraintComponent-lessThanOrEquals

• Parameter

Literal

The node kind of all literals.

• Node kind

max count

Specifies the maximum number of values in the set of value nodes.

• Property

max exclusive

Specifies the maximum exclusive value of each value node.

• Property

max inclusive

Specifies the maximum inclusive value of each value node.

• Property

max length

Specifies the maximum string length of each value node.

• Property

Max-count constraint component

A constraint component that can be used to restrict the maximum number of value nodes.

• Constraint component

Max-exclusive constraint component

A constraint component that can be used to restrict the range of value nodes with a maximum exclusive value.

• Constraint component

Max-inclusive constraint component

A constraint component that can be used to restrict the range of value nodes with a maximum inclusive value.

• Constraint component

Max-length constraint component

A constraint component that can be used to restrict the maximum string length of value nodes.

• Constraint component

MaxCountConstraintComponent-maxCount

• Parameter

MaxExclusiveConstraintComponent-maxExclusive

• Parameter

MaxInclusiveConstraintComponent-maxInclusive

• Parameter

MaxLengthConstraintComponent-maxLength

• Parameter

message

A human-readable message (possibly with placeholders for variables) explaining the cause of the result.

• Property

min count

Specifies the minimum number of values in the set of value nodes.

• Property

min exclusive

Specifies the minimum exclusive value of each value node.

• Property

min inclusive

Specifies the minimum inclusive value of each value node.

• Property

min length

Specifies the minimum string length of each value node.

• Property

Min-count constraint component

A constraint component that can be used to restrict the minimum number of value nodes.

• Constraint component

Min-exclusive constraint component

A constraint component that can be used to restrict the range of value nodes with a minimum exclusive value.

• Constraint component

Min-inclusive constraint component

A constraint component that can be used to restrict the range of value nodes with a minimum inclusive value.

• Constraint component

Min-length constraint component

A constraint component that can be used to restrict the minimum string length of value nodes.

• Constraint component

MinCountConstraintComponent-minCount

• Parameter

MinExclusiveConstraintComponent-minExclusive

• Parameter

MinInclusiveConstraintComponent-minInclusive

• Parameter

MinLengthConstraintComponent-minLength

• Parameter

name

Human-readable labels for the property in the context of the surrounding shape.

• Property

namespace

The namespace associated with a prefix in a prefix declaration.

• Property

node

Specifies the node shape that all value nodes must conform to.

• Property

Node constraint component

A constraint component that can be used to verify that all value nodes conform to the given node shape.

• Constraint component

Node kind

The class of all node kinds, including sh:BlankNode, sh:IRI, sh:Literal or the combinations of these: sh:BlankNodeOrIRI, sh:BlankNodeOrLiteral, sh:IRIOrLiteral.

• Class

node kind

Specifies the node kind (e.g. IRI or literal) each value node.

• Property

Node shape

A node shape is a shape that specifies constraint that need to be met with respect to focus nodes.

• Class

Node-kind constraint component

A constraint component that can be used to restrict the RDF node kind of each value node.

• Constraint component

NodeConstraintComponent-node

• Parameter

NodeKindConstraintComponent-nodeKind

• Parameter

nodes

The node expression producing the input nodes of a filter shape expression.

• Property

not

Specifies a shape that the value nodes must not conform to.

• Property

Not constraint component

A constraint component that can be used to verify that value nodes do not conform to a given shape.

• Constraint component

NotConstraintComponent-not

• Parameter

object

An expression producing the nodes that shall be inferred as objects.

• Property

one or more path

The (single) value of this property represents a path that is matched one or more times.

• Property

optional

Indicates whether a parameter is optional.

• Property

or

Specifies a list of shapes so that the value nodes must conform to at least one of the shapes.

• Property

Or constraint component

A constraint component that can be used to restrict the value nodes so that they conform to at least one out of several provided shapes.

• Constraint component

OrConstraintComponent-or

• Parameter

order

Specifies the relative order of this compared to its siblings. For example use 0 for the first, 1 for the second.

• Property

Parameter

The class of parameter declarations, consisting of a path predicate and (possibly) information about allowed value type, cardinality and other characteristics.

• Class

parameter

The parameters of a function or constraint component.

• Property

Parameterizable

Superclass of components that can take parameters, especially functions and constraint components.

• Class

path

Specifies the property path of a property shape.

• Property

pattern

Specifies a regular expression pattern that the string representations of the value nodes must match.

• Property

Pattern constraint component

A constraint component that can be used to verify that every value node matches a given regular expression.

• Constraint component

PatternConstraintComponent-flags

• Parameter

PatternConstraintComponent-pattern

• Parameter

predicate

An expression producing the properties that shall be inferred as predicates.

• Property

prefix

The prefix of a prefix declaration.

• Property

Prefix declaration

The class of prefix declarations, consisting of pairs of a prefix with a namespace.

• Class

prefixes

The prefixes that shall be applied before parsing the associated SPARQL query.

• Property

property

Links a shape to its property shapes.

• Property

Property constraint component

A constraint component that can be used to verify that all value nodes conform to the given property shape.

• Constraint component

Property group

Instances of this class represent groups of property shapes that belong together.

• Class

Property shape

A property shape is a shape that specifies constraints on the values of a focus node for a given property or path.

• Class

property validator

The validator(s) used to evaluate a constraint in the context of a property shape.

• Property

PropertyConstraintComponent-property

• Parameter

qualified max count

The maximum number of value nodes that can conform to the shape.

• Property

qualified min count

The minimum number of value nodes that must conform to the shape.

• Property

qualified value shape

The shape that a specified number of values must conform to.

• Property

qualified value shapes disjoint

Can be used to mark the qualified value shape to be disjoint with its sibling shapes.

• Property

Qualified-max-count constraint component

A constraint component that can be used to verify that a specified maximum number of value nodes conforms to a given shape.

• Constraint component

Qualified-min-count constraint component

A constraint component that can be used to verify that a specified minimum number of value nodes conforms to a given shape.

• Constraint component

QualifiedMaxCountConstraintComponent-qualifiedMaxCount

• Parameter

QualifiedMaxCountConstraintComponent-qualifiedValueShape

• Parameter

QualifiedMaxCountConstraintComponent-qualifiedValueShapesDisjoint

• Parameter

QualifiedMinCountConstraintComponent-qualifiedMinCount

• Parameter

QualifiedMinCountConstraintComponent-qualifiedValueShape

• Parameter

QualifiedMinCountConstraintComponent-qualifiedValueShapesDisjoint

• Parameter

result

The validation results contained in a validation report.

• Property

Result annotation

A class of result annotations, which define the rules to derive the values of a given annotation property as extra values for a validation result.

• Class

result annotation

Links a SPARQL validator with zero or more sh:ResultAnnotation instances, defining how to derive additional result properties based on the variables of the SELECT query.

• Property

result message

Human-readable messages explaining the cause of the result.

• Property

result path

The path of a validation result, based on the path of the validated property shape.

• Property

result severity

The severity of the result, e.g. warning.

• Property

return type

The expected type of values returned by the associated function.

• Property

Rule

The class of SHACL rules. Never instantiated directly.

• Class

rule

The rules linked to a shape.

• Property

SPARQL ASK executable

The class of SPARQL executables that are based on an ASK query.

• Class

SPARQL ASK validator

The class of validators based on SPARQL ASK queries. The queries are evaluated for each value node and are supposed to return true if the given node conforms.

• Class

SPARQL CONSTRUCT executable

The class of SPARQL executables that are based on a CONSTRUCT query.

• Class

SPARQL CONSTRUCT rule

The class of SHACL rules based on SPARQL CONSTRUCT queries.

• Class

SPARQL SELECT executable

The class of SPARQL executables based on a SELECT query.

• Class

SPARQL SELECT validator

The class of validators based on SPARQL SELECT queries. The queries are evaluated for each focus node and are supposed to produce bindings for all focus nodes that do not conform.

• Class

SPARQL UPDATE executable

The class of SPARQL executables based on a SPARQL UPDATE.

• Class

SPARQL constraint

The class of constraints based on SPARQL SELECT queries.

• Class

SPARQL constraint component

A constraint component that can be used to define constraints based on SPARQL queries.

• Constraint component

SPARQL executable

The class of resources that encapsulate a SPARQL query.

• Class

SPARQL function

A function backed by a SPARQL query - either ASK or SELECT.

• Class

SPARQL target

The class of targets that are based on SPARQL queries.

• Class

SPARQL target type

The (meta) class for parameterizable targets that are based on SPARQL queries.

• Class

SPARQLConstraintComponent-sparql

• Parameter

select

The SPARQL SELECT query to execute.

• Property

Severity

The class of validation result severity levels, including violation and warning levels.

• Class

severity

Defines the severity that validation results produced by a shape must have. Defaults to sh:Violation.

• Property

Shape

A shape is a collection of constraints that may be targeted for certain nodes.

• Class

shape validator

The validator(s) used to evaluate a constraint in the context of a node shape.

• Property

shapes graph

Shapes graphs that should be used when validating this data graph.

• Property

shapes graph well-formed

If true then the validation engine was certain that the shapes graph has passed all SHACL syntax requirements during the validation process.

• Property

source constraint

The constraint that was validated when the result was produced.

• Property

source constraint component

The constraint component that is the source of the result.

• Property

source shape

The shape that is was validated when the result was produced.

• Property

subject

An expression producing the resources that shall be inferred as subjects.

• Property

suggested shapes graph

Suggested shapes graphs for this ontology. The values of this property may be used in the absence of specific sh:shapesGraph statements.

• Property

Target

The base class of targets such as those based on SPARQL queries.

• Class

target

Links a shape to a target specified by an extension language, for example instances of sh:SPARQLTarget.

• Property

target class

Links a shape to a class, indicating that all instances of the class must conform to the shape.

• Property

target node

Links a shape to individual nodes, indicating that these nodes must conform to the shape.

• Property

target objects of

Links a shape to a property, indicating that all all objects of triples that have the given property as their predicate must conform to the shape.

• Property

target subjects of

Links a shape to a property, indicating that all subjects of triples that have the given property as their predicate must conform to the shape.

• Property

Target type

The (meta) class for parameterizable targets. Instances of this are instantiated as values of the sh:target property.

• Class

this

A node expression that represents the current focus node.

• Resource

union

A list of node expressions that shall be used together.

• Property

unique languages

Specifies whether all node values must have a unique (or no) language tag.

• Property

Unique-languages constraint component

A constraint component that can be used to specify that no pair of value nodes may use the same language tag.

• Constraint component

UniqueLangConstraintComponent-uniqueLang

• Parameter

update

The SPARQL UPDATE to execute.

• Property

Validation report

The class of SHACL validation reports.

• Class

Validation result

The class of validation results.

• Class

Validator

The class of validators, which provide instructions on how to process a constraint definition. This class serves as base class for the SPARQL-based validators and other possible implementations.

• Class

validator

The validator(s) used to evaluate constraints of either node or property shapes.

• Property

value

An RDF node that has caused the result.

• Property

Violation

The severity for a violation validation result.

• Severity

W3C Shapes Constraint Language (SHACL) Vocabulary

This vocabulary defines terms used in SHACL, the W3C Shapes Constraint Language.

• Ontology

Warning

The severity for a warning validation result.

• Severity

XoneConstraintComponent-xone

• Parameter

zero or more path

The (single) value of this property represents a path that is matched zero or more times.

• Property