src/Coscine.Api.Core.Entities/ConfigurationModels/ConnectionConfiguration.cs

@@ -10,9 +10,9 @@ public class ConnectionConfiguration
     /// </summary>
     public static readonly string Section = "ConnectionConfiguration";
 
-    [JsonPropertyName("ProxyUrl")]
+    [JsonPropertyName("ServiceUrl")]
     [Required]
-    public required string ProxyUrl { get; set; }
+    public required string ServiceUrl { get; set; }
 
     [JsonPropertyName("ApplicationProfiles")]
     [Required]

src/Coscine.Api.Core.Entities/Coscine.Api.Core.Entities.csproj

@@ -4,7 +4,7 @@
 		<TargetFramework>net8.0</TargetFramework>
 		<ImplicitUsings>enable</ImplicitUsings>
 		<Nullable>enable</Nullable>
-		<Version>1.9.2</Version>
+		<Version>1.10.0</Version>
 	</PropertyGroup>
 
 	<ItemGroup>

src/Coscine.Api.Core.Entities/Models/QuadStore/DataCatalog.cs

@@ -10,7 +10,7 @@ namespace Coscine.Api.Core.Entities.Models.QuadStore;
 [RdfClass(LDP.Container)]
 [RdfClass(LDP.BasicContainer)]
 [RdfClass(FDP_O.MetadataService)]
-public class DataCatalog(UriRef uri) : Semiodesk.Trinity.Resource(uri)
+public class DataCatalog(Uri uri) : Semiodesk.Trinity.Resource(uri)
 {
     /// <summary>
     /// Gets or sets the ID of the associated metadata catalog.

src/Coscine.Api.Core.Entities/Models/QuadStore/HashEntity.cs

+using Semiodesk.Trinity;
+
+namespace Coscine.Api.Core.Entities.Models.QuadStore;
+
+[RdfClass("http://www.ebu.ch/metadata/ontologies/ebucore/ebucore#hashType")]
+public class HashEntity(Uri uri) : Semiodesk.Trinity.Resource(uri)
+{
+    [RdfProperty("http://www.ebu.ch/metadata/ontologies/ebucore/ebucore#hashFunction")]
+    public string? HashFunction { get; set; }
+
+    [RdfProperty("http://www.ebu.ch/metadata/ontologies/ebucore/ebucore#hashValue")]
+    public string? HashValue { get; set; }
+}

src/Coscine.Api.Core.Entities/Models/QuadStore/MetadataCatalog.cs

@@ -7,7 +7,7 @@ namespace Coscine.Api.Core.Entities.Models.QuadStore;
 /// Represents a catalog of metadata entries within the data catalog.
 /// </summary>
 [RdfClass(DCAT.Catalog)]
-public class MetadataCatalog(UriRef uri) : Semiodesk.Trinity.Resource(uri)
+public class MetadataCatalog(Uri uri) : Semiodesk.Trinity.Resource(uri)
 {
     /// <summary>
     /// Gets or sets the list of entity URIs in the metadata catalog.

src/Coscine.Api.Core.Entities/Models/QuadStore/MetadataEntity.cs

@@ -7,7 +7,7 @@ namespace Coscine.Api.Core.Entities.Models.QuadStore;
 /// Represents a metadata entry within the metadata catalog.
 /// </summary>
 [RdfClass("http://www.w3.org/ns/prov#Entity")]
-public class MetadataEntity(UriRef uri) : Semiodesk.Trinity.Resource(uri)
+public class MetadataEntity(Uri uri) : Semiodesk.Trinity.Resource(uri)
 {
     /// <summary>
     /// Gets or sets the date and time when the metadata was generated.
@@ -27,7 +27,22 @@ public class MetadataEntity(UriRef uri) : Semiodesk.Trinity.Resource(uri)
     /// </summary>
     /// <remarks>Corresponds to the <see cref="MetadataEntity"/> class.</remarks>
     [RdfProperty("http://www.w3.org/ns/prov#wasRevisionOf")]
-    public Uri? WasRevisionOf { get; set; }
+    public List<Uri> WasRevisionOf { get; set; } = [];
+
+    /// <summary>
+    /// Gets or sets the URI of the entity that this one is a revision of.
+    /// </summary>
+    /// <remarks>Corresponds to the <see cref="MetadataEntity"/> class.</remarks>
+    [RdfProperty("https://purl.org/coscine/terms/metadatatracker#hasVariant")]
+    public List<Uri> HasVariant { get; set; } = [];
+
+    /// <summary>
+    /// Gets or sets the similarity to the last version.
+    /// String because of compatibility issues with Virtuoso.
+    /// </summary>
+    /// <remarks>Corresponds to the <see cref="MetadataEntity"/> class.</remarks>
+    [RdfProperty("https://purl.org/coscine/terms/metadatatracker#similarityToLastVersion")]
+    public string? SimilarityToLastVersion { get; set; }
 
     /// <summary>
     /// Gets or sets the URI of the extracted data related to this entity.

src/Coscine.Api.Core.Entities/Models/QuadStore/MetadataExtractedEntity.cs

@@ -6,7 +6,7 @@ namespace Coscine.Api.Core.Entities.Models.QuadStore;
 /// Represents extracted metadata information.
 /// </summary>
 [RdfClass("https://purl.org/coscine/terms/metatadataextraction#Entity")]
-public class MetadataExtractedEntity(UriRef uri) : Semiodesk.Trinity.Resource(uri)
+public class MetadataExtractedEntity(Uri uri) : Semiodesk.Trinity.Resource(uri)
 {
     /// <summary>
     /// Gets or sets the version of the extracted metadata.

src/Coscine.Api.Core.Entities/Models/QuadStore/ProjectRdf.cs

@@ -9,7 +9,7 @@ namespace Coscine.Api.Core.Entities.Models.QuadStore;
 [RdfClass(ORG.OrganizationalCollaboration)]
 [RdfClass(VCARD.Group)]
 [RdfClass(LDP.Container)]
-public class ProjectRdf(UriRef uri) : Semiodesk.Trinity.Resource(uri)
+public class ProjectRdf(Uri uri) : Semiodesk.Trinity.Resource(uri)
 {
     [RdfProperty(DCTERMS.title)]
     public string? ProjectName { get; set; }

src/Coscine.Api.Core.Entities/Models/QuadStore/RawDataCatalog.cs

@@ -4,7 +4,7 @@ using Semiodesk.Trinity;
 namespace Coscine.Api.Core.Entities.Models.QuadStore;
 
 [RdfClass(DCAT.Catalog)]
-public class RawDataCatalog(UriRef uri) : Semiodesk.Trinity.Resource(uri)
+public class RawDataCatalog(Uri uri) : Semiodesk.Trinity.Resource(uri)
 {
     [RdfProperty("http://www.w3.org/ns/ldp#describedBy")]
     public Uri? DescribedBy { get; set; }
@@ -15,4 +15,11 @@ public class RawDataCatalog(UriRef uri) : Semiodesk.Trinity.Resource(uri)
     /// <remarks>Corresponds to the <see cref="RawDataEntity"/> class.</remarks>
     [RdfProperty("http://www.w3.org/ns/dcat#dataset")]
     public List<Uri> EntityIds { get; set; } = [];
+
+    /// <summary>
+    /// Gets or sets the list of extracted URIs in the metadata catalog.
+    /// </summary>
+    /// <remarks>Corresponds to the <see cref="RawDataEntity"/> class.</remarks>
+    [RdfProperty("http://www.w3.org/ns/dcat#distribution")]
+    public List<Uri> ExtractedIds { get; set; } = [];
 }

src/Coscine.Api.Core.Entities/Models/QuadStore/RawDataEntity.cs

@@ -4,7 +4,7 @@ using Semiodesk.Trinity;
 namespace Coscine.Api.Core.Entities.Models.QuadStore;
 
 [RdfClass("http://www.w3.org/ns/prov#Entity")]
-public class RawDataEntity(UriRef uri) : Semiodesk.Trinity.Resource(uri)
+public class RawDataEntity(Uri uri) : Semiodesk.Trinity.Resource(uri)
 {
     [RdfProperty("http://www.w3.org/ns/prov#generatedAtTime")]
     public DateTime? GeneratedAt { get; set; }
@@ -13,11 +13,14 @@ public class RawDataEntity(UriRef uri) : Semiodesk.Trinity.Resource(uri)
     public Uri? InvalidatedBy { get; set; }
 
     [RdfProperty("http://www.w3.org/ns/prov#wasRevisionOf")]
-    public Uri? WasRevisionOf { get; set; }
+    public List<Uri> WasRevisionOf { get; set; } = [];
 
     [RdfProperty("https://purl.org/coscine/terms/metatadataextraction#extracted")]
     public Uri? ExtractedId { get; set; }
 
+    [RdfProperty("http://www.ebu.ch/metadata/ontologies/ebucore/ebucore#hash")]
+    public Uri? Hash { get; set; }
+
     /// <summary>
     /// Gets the Version of this entity.
     /// </summary>

src/Coscine.Api.Core.Entities/Models/QuadStore/RawDataExtractedEntity.cs

@@ -3,7 +3,7 @@
 namespace Coscine.Api.Core.Entities.Models.QuadStore;
 
 [RdfClass("https://purl.org/coscine/terms/metatadataextraction#Entity")]
-public class RawDataExtractedEntity(UriRef uri) : Semiodesk.Trinity.Resource(uri)
+public class RawDataExtractedEntity(Uri uri) : Semiodesk.Trinity.Resource(uri)
 {
     [RdfProperty("https://purl.org/coscine/terms/metatadataextraction#version")]
     public string? ExtractedVersion { get; set; }

src/Coscine.Api.Core.Entities/Models/QuadStore/ResourceRdf.cs

@@ -6,7 +6,7 @@ using Semiodesk.Trinity;
 namespace Coscine.Api.Core.Entities.Models.QuadStore;
 
 [RdfClass(DCAT.Catalog)]
-public class ResourceRdf(UriRef uri) : Semiodesk.Trinity.Resource(uri)
+public class ResourceRdf(Uri uri) : Semiodesk.Trinity.Resource(uri)
 {
     [RdfProperty(DCAT.service)]
     public Uri? TypeId { get; set; }

src/Coscine.Api.Core.Entities/Models/QuadStore/Variant.cs

+using Semiodesk.Trinity;
+
+namespace Coscine.Api.Core.Entities.Models.QuadStore;
+
+/// <summary>
+/// Represents a variant within the metadata catalog.
+/// </summary>
+[RdfClass("https://purl.org/coscine/terms/metadatatracker#Variant")]
+public class Variant(Uri uri) : Semiodesk.Trinity.Resource(uri)
+{
+    /// <summary>
+    /// Gets or sets the URI of the entity that it is a variant of.
+    /// </summary>
+    /// <remarks>Corresponds to the <see cref="Variant"/> class.</remarks>
+    [RdfProperty("https://purl.org/coscine/terms/metadatatracker#isVariantOf")]
+    public Uri? VariantOf { get; set; }
+
+    /// <summary>
+    /// Gets or sets the similarity value.
+    /// String because of compatibility issues with Virtuoso.
+    /// </summary>
+    /// <remarks>Corresponds to the <see cref="Variant"/> class.</remarks>
+    [RdfProperty("https://purl.org/coscine/terms/metadatatracker#similarity")]
+    public string? Similarity { get; set; }
+}

src/Coscine.Api.Core.Entities/Operations/ResourceOperations.cs

@@ -6,18 +6,23 @@ public static class ResourceOperations
 {
     public static OperationAuthorizationRequirement Create { get; } = new() { Name = nameof(Create) };
     public static OperationAuthorizationRequirement CreateBlob { get; } = new() { Name = nameof(CreateBlob) };
+    public static OperationAuthorizationRequirement CreateExtractionTree { get; } = new() { Name = nameof(CreateExtractionTree) };
     public static OperationAuthorizationRequirement CreateTree { get; } = new() { Name = nameof(CreateTree) };
 
     public static OperationAuthorizationRequirement Read { get; } = new() { Name = nameof(Read) };
     public static OperationAuthorizationRequirement ReadBlob { get; } = new() { Name = nameof(ReadBlob) };
+    public static OperationAuthorizationRequirement ReadProvenance { get; } = new() { Name = nameof(ReadProvenance) };
     public static OperationAuthorizationRequirement ReadTree { get; } = new() { Name = nameof(ReadTree) };
     public static OperationAuthorizationRequirement ReadQuota { get; } = new() { Name = nameof(ReadQuota) };
     public static OperationAuthorizationRequirement ReadOptions { get; } = new() { Name = nameof(ReadOptions) };
 
     public static OperationAuthorizationRequirement Update { get; } = new() { Name = nameof(Update) };
     public static OperationAuthorizationRequirement UpdateBlob { get; } = new() { Name = nameof(UpdateBlob) };
+    public static OperationAuthorizationRequirement UpdateExtractionTree { get; } = new() { Name = nameof(UpdateExtractionTree) };
+    public static OperationAuthorizationRequirement UpdateProvenance { get; } = new() { Name = nameof(UpdateProvenance) };
     public static OperationAuthorizationRequirement UpdateTree { get; } = new() { Name = nameof(UpdateTree) };
 
     public static OperationAuthorizationRequirement Delete { get; } = new() { Name = nameof(Delete) };
     public static OperationAuthorizationRequirement DeleteBlob { get; } = new() { Name = nameof(DeleteBlob) };
+    public static OperationAuthorizationRequirement DeleteTree { get; } = new() { Name = nameof(DeleteTree) };
 }
\ No newline at end of file

src/Coscine.Api.Core.Entities/OtherModels/HashParameters.cs

+using System.Security.Cryptography;
+
+namespace Coscine.Api.Core.Entities.OtherModels;
+
+public class HashParameters
+{
+    public required HashAlgorithmName AlgorithmName { get; init; }
+    public required string Value { get; init; }
+}

src/Coscine.Api.Core.Entities/OtherModels/MetadataTree.cs

@@ -4,10 +4,13 @@ namespace Coscine.Api.Core.Entities.OtherModels;
 
 public class MetadataTree : Tree
 {
-    public Uri Id { get; init; } = null!;
+    public Uri? Id { get; init; }
     public string Version { get; init; } = null!;
     public IEnumerable<string> AvailableVersions { get; init; } = new List<string>();
-    public string Definition { get; init; } = null!;
+    public string? Definition { get; init; } = null!;
     public RdfFormat Format { get; init; }
+    public bool SkipValidation { get; init; } = false;
+    public bool ForceNewMetadataVersion { get; init; } = false;
     public MetadataTreeExtracted? Extracted { get; init; }
+    public Provenance? Provenance { get; init; }
 }

src/Coscine.Api.Core.Entities/OtherModels/Provenance.cs

+namespace Coscine.Api.Core.Entities.OtherModels;
+
+public class Provenance
+{
+    public required Uri Id { get; init; }
+    public DateTime? GeneratedAt { get; init; }
+    public required IEnumerable<Uri> WasRevisionOf { get; init; }
+    public required IEnumerable<Variant> Variants { get; init; }
+    public Uri? WasInvalidatedBy { get; init; }
+    public string? MetadataExtractorVersion { get; init; }
+    public decimal? SimilarityToLastVersion { get; init; }
+    public HashParameters? HashParameters { get; init; }
+
+    /// <summary>
+    /// Represents the variants of this specific metadata tree.
+    /// </summary>
+    /// <param name="GraphName">Name of the graph.</param>
+    /// <param name="Similarity">Similarity value 0-1</param>
+    public record Variant(Uri GraphName, double Similarity);
+}

src/Coscine.Api.Core.Entities/OtherModels/TreeUriResolver.cs

 using System.Text.RegularExpressions;
+using System.Web;
 
 namespace Coscine.Api.Core.Entities.OtherModels;
 
@@ -20,7 +21,7 @@ public partial class TreeUriResolver
 
     /// <summary>
     /// The tree graph data path (file and folder).
-    /// URL Encoded!
+    /// URL Decoded!
     /// </summary>
     /// <remarks>
     /// Does not start nor end with a slash '<c>/</c>'.
@@ -67,6 +68,18 @@ public partial class TreeUriResolver
         var typeMatch = TypeRegex().Match(absoluteUri);
         Type = typeMatch.Groups[1].Value;
 
+        GraphId = CreateGraphUri(uri);
+
+        // Extract Path as string (everything after the ResourceId)
+        var pathStartIndex =
+            GraphId.AbsoluteUri.IndexOf(ResourceId.ToString(), StringComparison.Ordinal) + ResourceId.ToString().Length + 1; // + 1 is '/'
+        Path = HttpUtility.UrlDecode(GraphId.AbsoluteUri[pathStartIndex..]); // Will never start or end with a '/'
+    }
+
+    public static Uri CreateGraphUri(Uri uri)
+    {
+        var absoluteUri = uri.AbsoluteUri;
+
         // Extract General Graph Name as Uri (URL without query parameters and /@type)
         var uriWithoutQueryAndType = absoluteUri[..absoluteUri.LastIndexOf('/')];
 
@@ -78,11 +91,6 @@ public partial class TreeUriResolver
             uriWithoutQueryAndType = uriWithoutQueryAndType[..typeIndex];
         }
 
-        GraphId = new Uri(uriWithoutQueryAndType); // Without trailing '/'
-
-        // Extract Path as string (everything after the ResourceId)
-        var pathStartIndex =
-            GraphId.AbsoluteUri.IndexOf(ResourceId.ToString(), StringComparison.Ordinal) + ResourceId.ToString().Length + 1; // + 1 is '/'
-        Path = GraphId.AbsoluteUri[pathStartIndex..]; // Will never start or end with a '/'
+        return new Uri(uriWithoutQueryAndType); // Without trailing '/'
     }
 }

src/Coscine.Api.Core.Repository.Contracts/Coscine.Api.Core.Repository.Contracts.csproj

@@ -4,7 +4,7 @@
 		<TargetFramework>net8.0</TargetFramework>
 		<ImplicitUsings>enable</ImplicitUsings>
 		<Nullable>enable</Nullable>
-		<Version>1.9.2</Version>
+		<Version>1.10.0</Version>
 	</PropertyGroup>
 
 	<ItemGroup>