.

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;
 

ontology/graphofliberty.ttl

@@ -95,6 +95,12 @@ xsd:unsignedShort rdf:type rdfs:Datatype ;
              rdfs:label "derived with"@en .
 
 
+###  https://graphofliberty.org/2026/04/ont/nextUrl
+:nextUrl rdf:type owl:ObjectProperty ;
+         rdfs:comment "The next URL to use when creating a new document."@en ;
+         rdfs:label "Next URL"@en .
+
+
 #################################################################
 #    Data properties
 #################################################################
@@ -135,6 +141,11 @@ fedora:Container rdf:type owl:NamedIndividual ;
                  :readOnly "true"^^xsd:boolean .
 
 
+###  http://fedora.info/definitions/v4/repository#RepositoryRoot
+fedora:RepositoryRoot rdf:type owl:NamedIndividual ;
+                      :readOnly "true"^^xsd:boolean .
+
+
 ###  http://fedora.info/definitions/v4/repository#Resource
 fedora:Resource rdf:type owl:NamedIndividual ;
                 :readOnly "true"^^xsd:boolean .
@@ -160,6 +171,11 @@ fedora:hasParent rdf:type owl:NamedIndividual ;
                  :readOnly "true"^^xsd:boolean .
 
 
+###  http://fedora.info/definitions/v4/repository#hasTransactionProvider
+fedora:hasTransactionProvider rdf:type owl:NamedIndividual ;
+                              :readOnly "true"^^xsd:boolean .
+
+
 ###  http://fedora.info/definitions/v4/repository#lastModified
 fedora:lastModified rdf:type owl:NamedIndividual ;
                     :readOnly "true"^^xsd:boolean .

publish/src/app.rs

@@ -45,12 +45,12 @@ pub(crate) enum Message {
     NavigateTo(Url),
     FetchDocument(Url),
     LoadDocument(RdfSource<KeyedDataset<RowState>>),
+    ResourceNotFound,
     ShowNewDocumentButtons,
     HideNewDocumentButtons,
     ShowError(String),
     AddRow(Option<(QuadKey, RowState)>),
     DeleteRow(QuadKey),
-    DeleteAllRows,
     OpenQueryWindow(SearchResultClickAction),
     HoverRow(QuadKey),
     UnhoverRow(QuadKey),
@@ -68,7 +68,7 @@ pub(crate) enum Message {
     ShowOverwriteConfirmationModal,
     HideOverwriteConfirmationModal,
     ConfirmOverwrite,
-    NewDocument(NamedNode),
+    NewDocument(Class, Option<Url>),
     NavigateToPredicate(QuadKey),
     NavigateToObject(QuadKey),
     NavigateBack,
@@ -123,6 +123,7 @@ pub(crate) struct Publisher {
     show_overwrite_confirmation: bool,
     modified: bool,
     show_new_document_buttons: bool,
+    resource_not_found: bool,
 }
 
 impl Publisher {
@@ -180,6 +181,7 @@ impl Publisher {
                 show_overwrite_confirmation: false,
                 modified: false,
                 show_new_document_buttons: false,
+                resource_not_found: false,
             },
             task.map(|_| Message::ConnectToOntologyService("http://[::1]:3000".to_string())),
         )
@@ -259,8 +261,7 @@ impl Publisher {
                 }
             }
             Message::NavigateTo(url) => {
-                task = Task::done(Message::DeleteAllRows)
+                task = Task::done(Message::ResetState)
-                    .chain(Task::done(Message::ResetState))
                     .chain(Task::done(Message::FetchDocument(url)));
             }
             Message::FetchDocument(url) => {
@@ -280,7 +281,7 @@ impl Publisher {
                         },
                         Err(ldp::Error::Reqwest(err)) => {
                             if err.status() == Some(StatusCode::NOT_FOUND) {
-                                Message::ShowNewDocumentButtons
+                                Message::ResourceNotFound
                             } else {
                                 Message::ShowError(err.to_string())
                             }
@@ -289,6 +290,10 @@ impl Publisher {
                     }
                 });
             }
+            Message::ResourceNotFound => {
+                self.resource_not_found = true;
+                task = Task::done(Message::ShowNewDocumentButtons);
+            }
             Message::LoadDocument(document) => {
                 let nodes_to_look_up = document.dataset().quads.iter().map(|(_, quad)| {
                     let mut nodes = vec![ quad.predicate.clone() ];
@@ -342,10 +347,6 @@ impl Publisher {
                 self.document.dataset_mut().remove(key);
                 self.modified = true;
             }
-            Message::DeleteAllRows => {
-                self.document.dataset_mut().clear();
-                self.modified = true;
-            }
             Message::OpenQueryWindow(action) => {
                 let selected_entity_class = match action {
                     SearchResultClickAction::Predicate(_) => Some(vocab::rdf::PROPERTY),
@@ -538,21 +539,26 @@ impl Publisher {
             Message::HideNewDocumentButtons => {
                 self.show_new_document_buttons = false;
             }
-            Message::NewDocument(class) => {
+            Message::NewDocument(class, None) => {
-                let url = Url::parse(self.url_input.as_str()).expect("Invalid URL");
+                let client = self.http_client.clone();
-                let mut document: RdfSource<KeyedDataset<RowState>> = RdfSource::new(url);
+                task = tasks::navigate_to_next_url(client, class);
+            }
+            Message::NewDocument(class, Some(url)) => {
+                let mut document: RdfSource<KeyedDataset<RowState>> = RdfSource::new(url.clone());
                 let mut quad = document.new_quad();
                 quad.predicate = vocab::rdf::TYPE.into_owned();
-                quad.object = Term::NamedNode(class);
+                quad.object = Term::NamedNode(class.to_named_node().into_owned());
                 document.dataset_mut().quads.insert(quad);
 
                 task = Task::done(Message::HideNewDocumentButtons)
+                    .chain(Task::done(Message::URLInputChanged(url.to_string())))
                     .chain(Task::done(Message::LoadDocument(document)));
             }
             Message::ResetState => {
                 self.modified = false;
                 self.show_new_document_buttons = false;
                 self.show_overwrite_confirmation = false;
+                self.resource_not_found = false;
             }
             Message::NavigateToPredicate(key) => {
                 if let Some(quad) = self.document.dataset_mut().quads.get_mut(key) {
@@ -811,72 +817,76 @@ impl Publisher {
             .into()
     }
 
-    pub(crate) fn view(&self, window: window::Id) -> Element<'_, Message> {
+    fn view_search_window<'a>(&'a self, search_state: &'a SearchState) -> Element<'a, Message> {
-        if let Some(search_state) = &self.search_state
+        let search_input = text_input("Query", &search_state.query)
-            && search_state.window_id == window
+            .on_input(Message::QueryUpdated)
-        {
+            .id("query");
-            let search_input = text_input("Query", &search_state.query)
-                .on_input(Message::QueryUpdated)
-                .id("query");
 
-            let type_selector = pick_list(
+        let type_selector = pick_list(
-                search_state.entity_class_selection.as_ref(),
+            search_state.entity_class_selection.as_ref(),
-                Class::ALL,
+            Class::ALL,
-                ToString::to_string,
+            ToString::to_string,
-            ).on_select(|selection| Message::UpdateQueryClass(selection));
+        ).on_select(|selection| Message::UpdateQueryClass(selection));
 
-            let mut columns = vec![table::column(text("CURIE"), |document: &HashMap<gl_search::Field, gl_search::OwnedValue>| {
+        let mut columns = vec![table::column(text("CURIE"), |document: &HashMap<gl_search::Field, gl_search::OwnedValue>| {
-                let iri = document.get(&Schema::iri_field())
+            let iri = document.get(&Schema::iri_field())
-                    .and_then(|value| value.as_str())
+                .and_then(|value| value.as_str())
-                    .unwrap_or_default();
+                .unwrap_or_default();
 
-                let abbreviated_iri = document.get(&Schema::curie_field())
+            let abbreviated_iri = document.get(&Schema::curie_field())
-                    .and_then(|value| value.as_str())
+                .and_then(|value| value.as_str())
-                    .unwrap_or_default();
+                .unwrap_or_default();
 
-                button(text(abbreviated_iri).wrapping(Wrapping::Word))
+            button(text(abbreviated_iri).wrapping(Wrapping::Word))
-                    .on_press(Message::SearchResultClicked(NamedNode::new_unchecked(iri)))
+                .on_press(Message::SearchResultClicked(NamedNode::new_unchecked(iri)))
-                    .style(button::text)
+                .style(button::text)
-            })];
+        })];
 
-            let fields = search_state.entity_class_selection
+        let fields = search_state.entity_class_selection
-                .as_ref()
+            .as_ref()
-                .map(|class| {
+            .map(|class| {
                 class.fields(language::ENGLISH_TAG.clone())
             }).unwrap_or_default();
 
-            for (field, label) in fields {
+        for (field, label) in fields {
-                columns.push(
+            columns.push(
-                    table::column(text(label), move |document: &HashMap<gl_search::Field, gl_search::OwnedValue>| {
+                table::column(text(label), move |document: &HashMap<gl_search::Field, gl_search::OwnedValue>| {
-                        let iri = document.get(&Schema::iri_field())
+                    let iri = document.get(&Schema::iri_field())
-                            .and_then(|value| value.as_str())
+                        .and_then(|value| value.as_str())
-                            .unwrap_or_default();
+                        .unwrap_or_default();
 
-                        let value = document
+                    let value = document
-                            .get(&field)
+                        .get(&field)
-                            .and_then(|value| value.as_str())
+                        .and_then(|value| value.as_str())
-                            .unwrap_or_default();
+                        .unwrap_or_default();
 
-                        button(text(value).wrapping(Wrapping::Word))
+                    button(text(value).wrapping(Wrapping::Word))
-                            .on_press(Message::SearchResultClicked(NamedNode::new_unchecked(iri)))
+                        .on_press(Message::SearchResultClicked(NamedNode::new_unchecked(iri)))
-                            .style(button::text)
+                        .style(button::text)
-                    })
+                })
                     .width(Length::Fixed(256.0)),
-                );
+            );
-            }
+        }
 
-            let results_table = if columns.is_empty() {
+        let results_table = if columns.is_empty() {
-                None
+            None
-            } else {
+        } else {
-                Some(scrollable(table(columns, &search_state.results)))
+            Some(scrollable(table(columns, &search_state.results)))
-            };
+        };
 
-            return column![row![search_input, type_selector], results_table].into();
+        column![row![search_input, type_selector], results_table].into()
+    }
+
+    pub(crate) fn view(&self, window: window::Id) -> Element<'_, Message> {
+        if let Some(search_state) = &self.search_state
+            && search_state.window_id == window {
+            return self.view_search_window(search_state);
         }
 
         let back_button = button("\u{1f870}").on_press(Message::NavigateBack);
         let forward_button = button("\u{1f872}").on_press(Message::NavigateForward);
-        let add_row_button = button("Add row").on_press(Message::AddRow(None));
+        let new_document_button = button("New Document").on_press(Message::ShowNewDocumentButtons);
+        let add_row_button = button("Add Row").on_press(Message::AddRow(None));
 
         let address_input = iri_input(&self.curie_helper, "URL", None, &self.url_input)
             .on_input(Message::URLInputChanged)
@@ -895,25 +905,14 @@ impl Publisher {
             .collect();
 
         let body: Element<Message> = if self.show_new_document_buttons {
-            let buttons = Class::ALL.iter()
+            let buttons = Class::CREATABLE.iter()
                 .map(|class| {
-                    let node = class.to_named_node().into_owned();
+                    let url = if self.resource_not_found {
-                    let abbreviation = self.curie_helper
+                        Url::parse(&self.url_input).ok()
-                        .abbreviate(None, node.as_str())
+                    } else { None };
-                        .unwrap_or(node.to_string());
 
-                    let description = self.resource_descriptions
+                    button(text(class.to_string()))
-                        .get(&node);
+                        .on_press(Message::NewDocument(class.clone(), url))
-
-                    let button_text = if let Some(description) = description &&
-                        let Some(label) = &description.label {
-                        format!("{label} ({abbreviation})")
-                    } else {
-                        abbreviation
-                    };
-
-                    button(text(button_text))
-                        .on_press(Message::NewDocument(node))
                         .into()
                 });
 
@@ -1004,6 +1003,7 @@ impl Publisher {
 
         let content = navigation_area(column![
             row![
+                new_document_button,
                 add_row_button,
                 back_button,
                 forward_button,

publish/src/tasks.rs

@@ -1,5 +1,11 @@
 use iced::Task;
-use oxigraph::model::{Graph, NamedNode};
+use ldp::reqwest_middleware::ClientWithMiddleware;
+use ldp::ResourceRequestBuilder;
+use oxigraph::io::RdfFormat;
+use oxigraph::model::{Dataset, Graph, NamedNode, NamedNodeRef, NamedOrBlankNode, NamedOrBlankNodeRef, TermRef};
+use tracing::debug;
+use url::Url;
+use gl_graph::class::Class;
 use gl_graph::ontology::{ConnectedOntology, OntologyBuilder, ResourceSelector};
 use gl_graph::vocab;
 use crate::app::Message;
@@ -48,3 +54,33 @@ pub(crate) fn run_inference(mut ontology: ConnectedOntology, graph: Graph) -> Ta
         }
     })
 }
+
+pub(crate) fn navigate_to_next_url(client: ClientWithMiddleware, class: Class) -> Task<Message> {
+    if let Some(lookup_url) = class.next_url() {
+        Task::future(async move {
+            let request = ResourceRequestBuilder::with_client_and_url(client, lookup_url.clone())
+                .accept_rdf_format(RdfFormat::Turtle)
+                .follow_described_by(true)
+                .build();
+
+            match request.send().await {
+                Ok(resource) => match resource.into_rdf_source::<Dataset>().await {
+                    Ok(document) => {
+                        let node = NamedNodeRef::new_unchecked(lookup_url.as_str());
+                        let result = document.dataset()
+                            .quads_for_pattern(Some(NamedOrBlankNodeRef::NamedNode(node)), Some(vocab::glo::NEXT_URL), None, None)
+                            .next();
+                        if let Some(next_url_quad) = result {
+                            if let TermRef::NamedNode(next_url) = next_url_quad.object {
+                                let url = Url::parse(next_url.as_str()).unwrap();
+                                Message::NewDocument(class, Some(url))
+                            } else { Message::None }
+                        } else { Message::None }
+                    }
+                    _ => Message::None
+                }
+                _ => Message::None
+            }
+        })
+    } else { Task::none() }
+}