Linked Web Storage Vocabulary

This document describes the Linked Web Storage Vocabulary, i.e., the RDFS [[RDF-SCHEMA]] vocabulary used by the Linked Web Storage Protocol [[lws-core]].

Alternate versions of the vocabulary definition exist in Turtle and JSON-LD.

Published:: 2026-10-23
Version Info:: 1.0
See Also:: https://www.w3.org/TR/lws10-core/

Term definitions

Property definitions

The following are property definitions in the lws namespace.

`items`

items

The list of resources contained in a container.

Domain:: Container

Relevant @context:: https://www.w3.org/ns/lws/v1

`totalItems`

total items

The total number of items in a container.

Domain:: Container

Relevant @context:: https://www.w3.org/ns/lws/v1

`format`

format

The media type of a data resource.

This term is formally defined in another vocabulary (as dct:format), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`modified`

modified

The date and time the resource was last modified.

This term is formally defined in another vocabulary (as dcterms:modified), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`size`

size

The size of the resource in bytes.

This term is formally defined in another vocabulary (as schema:size), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`capability`

capability

A capability supported by the storage.

Domain:: Storage

Relevant @context:: https://www.w3.org/ns/lws/v1

`appliesTo`

applies to

See the formal definition of the term.

The types of LWS resource a capability applies to.

Domain:: MoveResource

Relevant @context:: https://www.w3.org/ns/lws/v1

`preservesIdentifier`

preserves identifier

See the formal definition of the term.

Whether a storage preserves the identifier of a moved resource.

Domain:: MoveResource
Range:: xsd:boolean

Relevant @context:: https://www.w3.org/ns/lws/v1

`PreferLinkRelations`

Prefer Link Relations

A preference URI for including or omitting specific link relations in responses.

Relevant @context:: https://www.w3.org/ns/lws/v1

`subscriptionType`

subscription type

See the formal definition of the term.

The subscription types supported by a notification service.

Domain:: NotificationService

Relevant @context:: https://www.w3.org/ns/lws/v1

`subscription`

subscription

See the formal definition of the term.

The URI of the subscription resource or connection endpoint.

The property's value should be a URL, i.e., not a literal.

Relevant @context:: https://www.w3.org/ns/lws/v1

`activity`

activity

See the formal definition of the term.

The Activity Streams 2.0 activity payload within a notification.

Domain:: Notification
Range:: Activity

Relevant @context:: https://www.w3.org/ns/lws/v1

`topic`

topic

See the formal definition of the term.

One or more resource URIs covered by a subscription.

The property's value should be a URL, i.e., not a literal.

Relevant @context:: https://www.w3.org/ns/lws/v1

`storage`

storage

The canonical URI identifying an LWS storage.

The property's value should be a URL, i.e., not a literal.

Relevant @context:: https://www.w3.org/ns/lws/v1

`Move`

Move

An activity representing the move of a resource from one container to another.

This term is formally defined in another vocabulary (as as:Move), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`object`

object

The primary object of an activity.

The property's value should be a URL, i.e., not a literal.

This term is formally defined in another vocabulary (as as:object), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`actor`

actor

The agent that performed the activity.

The property's value should be a URL, i.e., not a literal.

This term is formally defined in another vocabulary (as as:actor), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`target`

target

The target of the activity.

The property's value should be a URL, i.e., not a literal.

This term is formally defined in another vocabulary (as as:target), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`origin`

origin

The origin of a Move activity.

The property's value should be a URL, i.e., not a literal.

This term is formally defined in another vocabulary (as as:origin), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`published`

published

The date and time the activity was published.

This term is formally defined in another vocabulary (as as:published), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`inbox`

inbox

A URI to which notifications are delivered via HTTP POST.

The property's value should be a URL, i.e., not a literal.

This term is formally defined in another vocabulary (as ldp:inbox), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`expires`

expires

The date and time at which a subscription expires.

This term is formally defined in another vocabulary (as schema:expires), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`access`

access

The access policies associated with an access request or grant.

Relevant @context:: https://www.w3.org/ns/lws/v1

`conformsTo`

conforms to

An established standard to which the described resource conforms.

This term is formally defined in another vocabulary (as dcterms:conformsTo), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`action`

action

The operation relating to the asset of the rule.

This term is formally defined in another vocabulary (as odrl:action), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`assignee`

assignee

The party that is assigned the rule.

This term is formally defined in another vocabulary (as odrl:assignee), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`target`

target

The asset that is the target of the rule.

This term is formally defined in another vocabulary (as odrl:target), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`constraint`

constraint

A constraint that refines the semantics of an action or rule.

This term is formally defined in another vocabulary (as odrl:constraint), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`leftOperand`

left operand

The left operand of a constraint.

This term is formally defined in another vocabulary (as odrl:leftOperand), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`operator`

operator

The operator of a constraint.

This term is formally defined in another vocabulary (as odrl:operator), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`rightOperand`

right operand

The right operand of a constraint.

This term is formally defined in another vocabulary (as odrl:rightOperand), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

Class definitions

The following are class definitions in the lws namespace.

`StorageResource`

Storage Resource

See the formal definition of the term.

An HTTP resource that supports the read operations defined by the Linked Web Storage Protocol.

Superclass of:: Container, DataResource

Relevant @context:: https://www.w3.org/ns/lws/v1

`Container`

Container

A resource that contains other resources.

Subclass of:: StorageResource

Domain of:: items, totalItems

Relevant @context:: https://www.w3.org/ns/lws/v1

`DataResource`

Data Resource

A data-bearing resource such as a document, image, or structured data file.

Subclass of:: StorageResource

Domain of:: format, modified, size

Relevant @context:: https://www.w3.org/ns/lws/v1

`Storage`

Storage

A Linked Web Storage instance.

Domain of:: capability

Relevant @context:: https://www.w3.org/ns/lws/v1

`StorageRoot`

Storage Root

A service endpoint for a storage root container.

Relevant @context:: https://www.w3.org/ns/lws/v1

`OpenIdProvider`

OpenID Provider

See the formal definition of the term.

An OpenID Connect identity provider service.

Relevant @context:: https://www.w3.org/ns/lws/v1

`Notification`

Notification

See the formal definition of the term.

A notification envelope describing an event that occurred on a resource.

Domain of:: activity

Relevant @context:: https://www.w3.org/ns/lws/v1

`NotificationService`

Notification Service

See the formal definition of the term.

A service through which clients subscribe to resource change notifications.

Domain of:: subscriptionType

Relevant @context:: https://www.w3.org/ns/lws/v1

`WebhookSubscription`

Webhook Subscription

See the formal definition of the term.

A subscription type that delivers notifications via HTTP POST to a subscriber-provided inbox URL.

Relevant @context:: https://www.w3.org/ns/lws/v1

`AccessProfile`

Access Profile

An access profile describes the requirements for expressing a valid access policy.

Relevant @context:: https://www.w3.org/ns/lws/v1

`AccessPolicy`

Access Policy

An access policy expresses the actions, targets, and constraints for a particular access request or grant.

Domain of:: action, assignee, target, constraint, leftOperand, operator, rightOperand

Relevant @context:: https://www.w3.org/ns/lws/v1

`AccessGrant`

Access Grant

An authorization by a storage controller granting access to resources.

Relevant @context:: https://www.w3.org/ns/lws/v1

`AccessGrantService`

Access Grant Service

A service endpoint for managing access grants.

Relevant @context:: https://www.w3.org/ns/lws/v1

`AccessRequest`

Access Request

An request by an agent to access to resources.

Relevant @context:: https://www.w3.org/ns/lws/v1

`AccessRequestService`

Access Request Service

A service endpoint for managing access requests.

Relevant @context:: https://www.w3.org/ns/lws/v1

`MoveResource`

Move Resource

See the formal definition of the term.

A capability indicating that clients are allowed to change the up link of a resource, and thereby to move resources between containers.

Domain of:: appliesTo, preservesIdentifier

Relevant @context:: https://www.w3.org/ns/lws/v1

`Activity`

Activity

Superclass of all activites.

This term is formally defined in another vocabulary (as as:Activity), but is frequently used with this vocabulary and has been included to aid readability of this document.

Range of:: activity

`Create`

Create

An activity representing the creation of a resource.

This term is formally defined in another vocabulary (as as:Create), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`Update`

Update

An activity representing the update of a resource.

This term is formally defined in another vocabulary (as as:Update), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

`Delete`

Delete

An activity representing the deletion of a resource.

This term is formally defined in another vocabulary (as as:Delete), but is frequently used with this vocabulary and has been included to aid readability of this document.

Relevant @context:: https://www.w3.org/ns/lws/v1

Definitions for individuals

The following are definitions for individuals in the lws namespace.

`create`

create

An action representing the creation of a new resource within a container.

Relevant @context:: https://www.w3.org/ns/lws/v1

`client`

client

A left operand representing the client identifier for an HTTP request.

Relevant @context:: https://www.w3.org/ns/lws/v1

Namespaces

@context files

Term definitions

Property definitions

items

totalItems

format

modified

size

capability

appliesTo

preservesIdentifier

PreferLinkRelations

subscriptionType

subscription

activity

topic

storage

Move

object

actor

target

origin

published

inbox

expires

access

conformsTo

action

assignee

target

constraint

leftOperand

operator

rightOperand

Class definitions

StorageResource

Container

DataResource

Storage

StorageRoot

OpenIdProvider

Notification

NotificationService

WebhookSubscription

AccessProfile

AccessPolicy

AccessGrant

AccessGrantService

AccessRequest

AccessRequestService

MoveResource

Activity

Create

Update

Delete

Definitions for individuals

create

client

`@context` files

`items`

`totalItems`

`format`

`modified`

`size`

`capability`

`appliesTo`

`preservesIdentifier`

`PreferLinkRelations`

`subscriptionType`

`subscription`

`activity`

`topic`

`storage`

`Move`

`object`

`actor`

`target`

`origin`

`published`

`inbox`

`expires`

`access`

`conformsTo`

`action`

`assignee`

`target`

`constraint`

`leftOperand`

`operator`

`rightOperand`

`StorageResource`

`Container`

`DataResource`

`Storage`

`StorageRoot`

`OpenIdProvider`

`Notification`

`NotificationService`

`WebhookSubscription`

`AccessProfile`

`AccessPolicy`

`AccessGrant`

`AccessGrantService`

`AccessRequest`

`AccessRequestService`

`MoveResource`

`Activity`

`Create`

`Update`

`Delete`

`create`

`client`