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Vocabulary # {#vocabulary}

Namespace: https://w3id.org/tree#

Prefixes:

@prefix tree: <https://w3id.org/tree#>.
@prefix hydra: <http://www.w3.org/ns/hydra/core#>.
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

Classes ## {#classes}

tree:Collection ### {#collection}

A collection has members that may adhere to a certain shape.

tree:Node ### {#Node}

A tree:Node is a node that may contain links to other dereferenceable resources that lead to a full overview of a tree:Collection.

tree:Relation ### {#Relation}

An entity that describes a relation between two tree:Nodes.

The tree:Relation has specific sub-classes that implement a more specific type between the values. These types are described in the ontology (all classes are rdf:subClassOf tree:Relation):

  • String, Date or Number comparison:
    • tree:PrefixRelation — All elements in the related node have this prefix
    • tree:SubstringRelation — All elements in the related node have this substring
    • tree:SuffixRelation — All members of this related node end with this suffix
    • tree:GreaterThanRelation — the related Node’s members are greater than the value. For string comparison, this relation can refer to a comparison configuration
    • tree:GreaterThanOrEqualToRelation — similar to ↑
    • tree:LessThanRelation
    • tree:LessThanOrEqualToRelation
    • tree:EqualToRelation
    • tree:NotEqualToRelation
  • Geo-spatial comparison (requires the node values to be WKT-strings):

tree:ConditionalImport ### {#ConditionalImport}

A class to import a file or a stream based on a tree:path of properties. This way it can import the necessary data for complying to the SHACL shape, or evaluating a relation type.

tree:ViewDescription ### {#ViewDescription}

Describes a specific TREE structure on top of the tree:Collection.

Properties ## {#properties}

tree:relation ### {#relation}

Links a node to a relation

Domain: tree:Node

Range: tree:Relation

tree:remainingItems ### {#remainingItems}

Remaining number of items of this node, the items in its children included.

Domain: tree:Relation

Range: xsd:integer

tree:node ### {#node}

The URL to be derefenced when this relation cannot be pruned.

Domain: tree:Relation

Range: tree:Node

tree:value ### {#value}

The contextual value of this node: may contain e.g., a WKT-string with the bound of a rectangle, may contain a string, an integer, or even link to another resource where clear comparison rules apply.

Domain: tree:Relation

tree:path ### {#path}

A property path, as defined by SHACL, that indicates what resource the tree:value affects.

See

Domain: tree:Relation

tree:view ### {#view}

Links the collection to the current tree:Node.

Domain: tree:Collection

Range: tree:Node

tree:search ### {#search}

Links a tree:Node to a hydra:IriTemplate. The search form will search the remaining items of the node.

Domain: tree:Node

Range: hydra:IriTemplate

tree:shape ### {#shape}

The SHACL shape the members of the collection adhere to.

Domain: tree:Collection

Range: sh:NodeShape

tree:member ### {#member}

Links to the collection’s items that are the sh:targetNodes of the SHACL shape defined with tree:shape.

Domain: tree:Collection

tree:import ### {#import}

Imports a document containing triples needed for complying to the SHACL shape, or for evaluating the relation.

tree:conditionalImport ### {#conditionalImport}

Imports a document only when the client is interesting in a specific tree:path.

tree:zoom ### {#zoom}

A search form parameter: the zoom level of the tile cfr. OSM convention.

As defined by Slippy Map Tilenames in OpenStreetMap

tree:longitudeTile ### {#longitudeTile}

A search form parameter: the X tile number from longitude cfr. OSM convention.

As defined by Slippy Map Tilenames in OpenStreetMap

tree:latitudeTile ### {#latitudeTile}

A search form parameter: the Y tile number from latitude cfr. OSM convention.

As defined by Slippy Map Tilenames in OpenStreetMap

tree:timeQuery ### {#timeQuery}

A search form parameter: accompagnied by a tree:path, it indicates the property on which a time search can be done

tree:viewDescription ### {#viewDescription}

Links together a tree:Node with its description of this TREE structure.

Domain: tree:Node

Range: tree:ViewDescription