.

graph/src/category.rs

@@ -8,14 +8,14 @@ pub enum Category {
 impl Category {
     pub fn to_named_node(&self) -> NamedNodeRef<'_> {
         match self {
-            Category::AudioBook => vocab::gl::AUDIO_BOOK,
+            Category::AudioBook => vocab::glo::AUDIO_BOOK,
         }
     }
 
     pub fn try_from_named_node<'a>(node: impl Into<NamedNodeRef<'a>>) -> Option<Self> {
         let node = node.into();
         match node {
-            vocab::gl::AUDIO_BOOK => Some(Category::AudioBook),
+            vocab::glo::AUDIO_BOOK => Some(Category::AudioBook),
             _ => None,
         }
     }

graph/src/class.rs

@@ -1,7 +1,8 @@
 use std::collections::HashMap;
 use std::fmt::Display;
-use oxigraph::model::{NamedNode, NamedNodeRef};
+use oxigraph::model::{Graph, Literal, NamedNode, NamedNodeRef, NamedOrBlankNode, Term, Triple};
 use oxilangtag::LanguageTag;
+use url::Url;
 use gl_search::Schema;
 use crate::language::LanguageCondition;
 use crate::vocab;
@@ -45,6 +46,14 @@ impl Class {
         Class::Manifestation,
     ];
 
+    pub const CREATABLE: &[Class] = &[
+        Class::Work,
+        Class::Person,
+        Class::CorporateBody,
+        Class::Expression,
+        Class::Manifestation,
+    ];
+
     pub fn to_named_node(&self) -> NamedNodeRef<'_> {
         match self {
             Class::RdfProperty => vocab::rdf::PROPERTY,
@@ -105,4 +114,33 @@ impl Class {
             ],
         }
     }
+
+    pub fn next_url(&self) -> Option<Url> {
+        match self {
+            Class::Work => Some(Url::parse("http://fedora.quill.lan/rest/#Work").unwrap()),
+            _ => None,
+        }
+    }
+
+    pub fn template(&self, subject: NamedNode) -> Graph {
+        let empty_english_string = Term::Literal(Literal::new_language_tagged_literal_unchecked("", "en"));
+        let empty_node = Term::NamedNode(NamedNode::new_unchecked("#"));
+
+        match self {
+            Class::RdfProperty => Graph::new(),
+            Class::RdfsClass => Graph::new(),
+            Class::SkosConcept => Graph::new(),
+            Class::Work => Graph::from_iter([
+                Triple::new(NamedOrBlankNode::NamedNode(subject), vocab::rdawd::TITLE_OF_WORK, empty_english_string)
+            ]),
+            Class::Person => Graph::from_iter([
+                Triple::new(NamedOrBlankNode::NamedNode(subject.clone()), vocab::rdaao::IDENTIFIER_FOR_PERSON, empty_node),
+                Triple::new(NamedOrBlankNode::NamedNode(subject.clone()), vocab::rdaad::GIVEN_NAME, empty_english_string.clone()),
+                Triple::new(NamedOrBlankNode::NamedNode(subject), vocab::rdaad::SURNAME, empty_english_string),
+            ]),
+            Class::CorporateBody => Graph::new(),
+            Class::Expression => Graph::new(),
+            Class::Manifestation => Graph::new(),
+        }
+    }
 }

graph/src/vocab.rs

@@ -1,7 +1,7 @@
 pub use oxigraph::model::vocab::rdf;
 pub use oxigraph::model::vocab::rdfs;
 
-pub mod gl {
+pub mod glo {
     use oxigraph::model::NamedNodeRef;
 
     pub const AUDIO_BOOK: NamedNodeRef =
@@ -9,6 +9,9 @@ pub mod gl {
 
     pub const READ_ONLY: NamedNodeRef =
         NamedNodeRef::new_unchecked("https://graphofliberty.org/2026/04/ont/readOnly");
+
+    pub const NEXT_URL: NamedNodeRef =
+        NamedNodeRef::new_unchecked("https://graphofliberty.org/2026/04/ont/nextUrl");
 }
 
 pub mod skos {
@@ -57,6 +60,13 @@ pub mod rdaad {
         NamedNodeRef::new_unchecked("http://rdaregistry.info/Elements/a/datatype/P50032");
 }
 
+pub mod rdaao {
+    use oxigraph::model::NamedNodeRef;
+
+    pub const IDENTIFIER_FOR_PERSON: NamedNodeRef =
+        NamedNodeRef::new_unchecked("http://rdaregistry.info/Elements/a/object/P50094");
+}
+
 pub mod rdawd {
     use oxigraph::model::NamedNodeRef;