diff --git a/ontoScorer/metrics.py b/ontoScorer/metrics.py
index feedd3327057aa10299e37b6698be1c4cf9f1f2f..e6e06c5e28eb368645b06f58302c8431e407000f 100644
--- a/ontoScorer/metrics.py
+++ b/ontoScorer/metrics.py
@@ -43,8 +43,8 @@ class Metrics:
methods = [
("class", "get_classes"),
("object_property", "get_object_properties"),
- ("data_property", "get_data_properties"),
- ("restriction", "get_restrictions"),
+ #("data_property", "get_data_properties"),
+ #("restriction", "get_restrictions"),
("individual", "get_individuals"),
#("annotation", "get_annotations")
]
diff --git a/ontoScorer/ontology.py b/ontoScorer/ontology.py
index cb2d501cd78090b846f8c42725596f5994bd4388..c5769c174058eff8c50e82efb6626db130b6a255 100644
--- a/ontoScorer/ontology.py
+++ b/ontoScorer/ontology.py
@@ -13,47 +13,8 @@ from rdflib import Graph, RDF, RDFS, OWL
from rdflib import URIRef, BNode
from rdflib.namespace import split_uri
-
-#==============================================================================
-# Classes: Element, NamedElement and BlankElement
-#==============================================================================
-
-class Element:
- def __init__(self, reference, graph):
- self.reference = reference
- self.graph = graph
-
- def properties(self):
- """Retrieve properties associated with the element."""
- return list(self.graph.predicate_objects(subject=self.reference))
-
- def name(self):
- raise NotImplementedError("The method name() must be implemented by subclasses.")
-
-class NamedElement(Element):
- def __init__(self, uri, graph):
- super().__init__(uri, graph)
- self.uri = uri
-
- def __str__(self):
- return str(self.uri)
-
- def name(self):
- _, element_name = split_uri(self.uri)
- return element_name
-
-class BlankElement(Element):
- def __init__(self, bnode, graph):
- super().__init__(bnode, graph)
- self.id = str(bnode)
-
- def __str__(self):
- return f"BNode: {self.id}"
-
- def name(self):
- return self.id
-
-
+from ontology_metadata import Metadata
+from ontology_element import Element, NamedElement, BlankElement
#==============================================================================
# Class: Ontology
@@ -81,7 +42,7 @@ class Ontology:
g = Graph()
g.parse(path, format="ttl")
return g
-
+
def _get_elements_of_type(self, rdf_type):
"""Extract all elements of a specific RDF type from the ontology."""
elements = []
@@ -94,7 +55,30 @@ class Ontology:
#--------------------------------------------------------------------------
- # Extracting Method(s)
+ # Metadata and Annotation Extraction
+ #--------------------------------------------------------------------------
+
+ def extract_metadata(self):
+ """Extract metadata from the ontology and return a Metadata object."""
+ version_info = self._get_version_info()
+ namespaces = list(self.graph.namespaces())
+ return Metadata(version_info, namespaces)
+
+ def _get_version_info(self):
+ pass # TODO
+ return -1
+
+
+ def get_annotations(self):
+ """Extract all annotation comments from the ontology."""
+ annotations = set()
+ for _, _, o in self.graph.triples((None, RDFS.label, None)):
+ annotations.add(str(o))
+ return annotations
+
+
+ #--------------------------------------------------------------------------
+ # Element Extraction
#--------------------------------------------------------------------------
def get_classes(self):
@@ -108,10 +92,6 @@ class Ontology:
def get_data_properties(self):
"""Extract all data properties from the ontology."""
return self._get_elements_of_type(OWL.DatatypeProperty)
-
- def get_restrictions(self):
- """Extract all restrictons from the ontology."""
- return self._get_elements_of_type(OWL.Restriction)
def get_individuals(self) -> list:
"""Extract all individuals from the ontology, including elements explicitly typed as owl:Individual,
@@ -128,14 +108,22 @@ class Ontology:
for s, _, o in self.graph.triples((None, RDF.type, cls))]
return list(set(individuals)) # Ensuring uniqueness
+
+ #--------------------------------------------------------------------------
+ # Taxonomic Relation Extraction (Hierarchical Structure)
+ #--------------------------------------------------------------------------
+
+ def get_taxonomic_relations(self):
+ return []
- def get_annotations(self):
- """Extract all annotation comments from the ontology."""
- annotations = set()
- for _, _, o in self.graph.triples((None, RDFS.label, None)):
- annotations.add(str(o))
- return annotations
+ #--------------------------------------------------------------------------
+ # Non-Taxonomic Relation Extraction
+ #--------------------------------------------------------------------------
+
+ def get_restrictions(self):
+ """Extract all restrictons from the ontology."""
+ return self._get_elements_of_type(OWL.Restriction)
#--------------------------------------------------------------------------
diff --git a/ontoScorer/ontology_element.py b/ontoScorer/ontology_element.py
new file mode 100644
index 0000000000000000000000000000000000000000..8e5e80ffff47818529877305256724cf402f39df
--- /dev/null
+++ b/ontoScorer/ontology_element.py
@@ -0,0 +1,48 @@
+#!/usr/bin/python3.10
+# -*-coding:Utf-8 -*
+
+#==============================================================================
+# Ontology Elements
+#------------------------------------------------------------------------------
+# Represents various elements (Classes, Object Properties, Data Properties,
+# Individuals) within an ontology.
+#==============================================================================
+
+from rdflib import URIRef, BNode
+from rdflib.namespace import split_uri
+
+class Element:
+ def __init__(self, reference, graph):
+ self.reference = reference
+ self.graph = graph
+
+ def properties(self):
+ """Retrieve properties associated with the element."""
+ return list(self.graph.predicate_objects(subject=self.reference))
+
+ def name(self):
+ raise NotImplementedError("The method name() must be implemented by subclasses.")
+
+class NamedElement(Element):
+ def __init__(self, uri, graph):
+ super().__init__(uri, graph)
+ self.uri = uri
+
+ def __str__(self):
+ return str(self.uri)
+
+ def name(self):
+ _, element_name = split_uri(self.uri)
+ return element_name
+
+class BlankElement(Element):
+ def __init__(self, bnode, graph):
+ super().__init__(bnode, graph)
+ self.id = str(bnode)
+
+ def __str__(self):
+ return f"BNode: {self.id}"
+
+ def name(self):
+ return self.id
+
diff --git a/ontoScorer/ontology_metadata.py b/ontoScorer/ontology_metadata.py
new file mode 100644
index 0000000000000000000000000000000000000000..2999366510e0c14f2c653ef78af053ea4baf79fa
--- /dev/null
+++ b/ontoScorer/ontology_metadata.py
@@ -0,0 +1,18 @@
+#!/usr/bin/python3.10
+# -*-coding:Utf-8 -*
+
+#==============================================================================
+# Metadata Container
+#------------------------------------------------------------------------------
+# Holds metadata (Imports, Versions, Namespaces) from RDF/OWL ontologies.
+#==============================================================================
+
+class Metadata:
+
+ def __init__(self, version_info, namespaces):
+ """Initialize with metadata information."""
+ self.version_info = version_info
+ self.namespaces = namespaces
+
+ # TODO: add methods to print or manage metadata, if needed.
+
diff --git a/tests/test_ontology.py b/tests/test_ontology.py
index da89d127abbd6f1dc7701f9fd0922c030e497281..948d4142345022751698bbeed7829aef15df53ff 100644
--- a/tests/test_ontology.py
+++ b/tests/test_ontology.py
@@ -57,9 +57,10 @@ class TestOntology(unittest.TestCase):
self.assertIn("orbit", object_properties_names)
def test_get_data_properties(self):
- data_properties_names = {dp.name() for dp in self.onto1.get_data_properties()}
-
- self.assertEqual(len(data_properties_names), 0)
+ data_properties_names_1 = {dp.name() for dp in self.onto1.get_data_properties()}
+ data_properties_names_2 = {dp.name() for dp in self.onto2.get_data_properties()}
+ self.assertEqual(len(data_properties_names_1), 0)
+ self.assertEqual(len(data_properties_names_2), 0)
def test_get_restrictions(self):
restrictions = self.onto1.get_restrictions()