Cache Entry Metadata Vocabulary

Author: Dorian Taylor
Created: October 3, 2025
Namespace URI: https://vocab.methodandstructure.com/cache-metadata#
Preferred Namespace Prefix: cache

This vocabulary is intended to describe the metadata necessary to positively identify HTTP cache entries.

@prefix cache: <https://vocab.methodandstructure.com/cache-metadata#> .
@prefix tfo:   <https://vocab.methodandstructure.com/transformation#> .
@prefix dct:   <http://purl.org/dc/terms/> .
@prefix ht:    <http://www.w3.org/2011/http#> .
@prefix hth:   <http://www.w3.org/2011/http-headers#> .
@prefix htm:   <http://www.w3.org/2011/http-methods#> .
@prefix prov:  <http://www.w3.org/ns/prov#> .
@prefix xsd:   <http://www.w3.org/2001/XMLSchema#> .

<urn:uuid:b30c0e75-6b53-4212-8b95-a04629aa03d9> a cache:Entry ;
  cache:entity <ni:///sha-256;ocz5wuIt2_E5vOW_DqPkJSONCUg61TPJ8c81fBKH5co> ;
  cache:expires "2025-10-07T01:52:07Z"^^xsd:dateTime ;
  cache:header [
    a ht:RequestHeader ;
    ht:hdrName hth:accept ;
    ht:fieldName "Accept";
    ht:fieldValue "text/html, application/xhtml+xml, */*;q=0.1" ], [
    a ht:RequestHeader ;
    ht:hdrName hth:accept-language ;
    ht:fieldName "Accept-Language";
    ht:fieldValue "en-us, en, fr;q=0.8" ] ;
  cache:method htm:GET ;
  cache:origin <https://internet.home/page> ;
  cache:principal <mailto:some@personal.email> ;
  dct:format "text/html"^^tfo:content-type ;
  dct:language "en"^^xsd:token ;
  dct:modified "2025-10-07T01:22:07Z"^^xsd:dateTime ;
  prov:generatedAtTime "2025-10-07T01:22:07Z"^^xsd:dateTime .

Turtle serialization of an individual cache entry.

Classes

`Entry`

The class cache:Entry represents (canonically) an individual HTTP cache entry.

Subclass of:: prov:Entity
Properties:: cache:entity; cache:expires; cache:header; cache:method; cache:origin; cache:principal

Properties

`entity`

This denotes the actual literal representation of the cache entry.

Domain:: cache:Entry
Range:: rdfs:Resource
Cardinality:: 1

`expires`

The xsd:dateTime when the cache expires.

Domain:: cache:Entry
Range:: xsd:dateTime
Cardinality:: 1

`method`

Denotes the HTTP method of the associated request.

Domain:: cache:Entry
Range:: ht:Method
Cardinality:: 1

`origin`

This relates the cache entry to the origin resource that was retrieved.

Domain:: cache:Entry
Range:: rdfs:Resource
Cardinality:: 1

`principal`

This relates the cache entry to an authentication principal, if applicable.

Domain:: cache:Entry
Range:: rdfs:Resource