@@ -539,13 +539,18 @@ This ontology has the following classes and properties.</span>
This diagram follows the <ahref="https://chowlk.linkeddata.es/">Chowlk notation</a>.</p>
<center>
<imgsrc="SEM-DISNET.jpg"alt="General overview of the SEM-DISNET Ontology."width="90%"><figcaption><b>Figure 1</b> - SEM-DISNET schema for the representation of DISNET data.</figcaption>
<imgsrc="SEM-DISNET_ontology.png"alt="General overview of the SEM-DISNET Ontology."width="90%"><figcaption><b>Figure 1</b> - SEM-DISNET schema for the representation of DISNET data.</figcaption>
</center>
<p> SEM-DISNET Ontology is built mostly from the reuse of existing ontology concepts. Mainly, it is based on the
ontology developed by DisGeNET (DisGeNET-RDF), one of the main sources used by DISNET. Other important reused
concepts or Classes were taken from National Cancer Institute thesaurus (NCIT), Semanticscience Integrated Ontology (SIO),
ontology developed by <ahref="http://rdf.disgenet.org/download/v7.0.0/">DisGeNET (DisGeNET-RDF)</a>, one of the main sources used by DISNET. Other important reused
concepts or Classes were taken from <ahref="https://github.com/NCI-Thesaurus/thesaurus-obo-edition">National Cancer Institute thesaurus (NCIT)</a>,
It also reuses Object Propeties from NCIT and SIO ontologies.</p>
<p> The ontology schema is organized around the central classes <tt>Disease</tt> and <tt>Drug</tt>.
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@@ -649,7 +654,7 @@ This ontology has the following classes and properties.</span>
</ul>
</li></p>
</p>
<p>The classes corresponding to the associations between concepts were incorporated into a class hierarchy, represented as
<p>The classes corresponding to the associations between concepts (Figure 2A) were incorporated into a class hierarchy, represented as
a tree independently of the main diagram for the sake of clarity, since hierarchical relationships facilitates data integration.
All Association classes represented in the diagram are subclasses of the central SIO class <tt>sio:Association</tt>.</p>
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@@ -657,7 +662,7 @@ This ontology has the following classes and properties.</span>
association between a drug and a target suits better with ChEMBL's <tt>ChEMBL Mechanism Class</tt>. The strategy consisted in
creating a new DISNET class <tt>Drug Target Association</tt>, classified as a subclass of ChEMBL and SIO.</p>
<p>In the case of the Object Properties, the objective was to make the relationships between the entities as homogeneous
<p>In the case of the Object Properties (Figure 2B), the objective was to make the relationships between the entities as homogeneous
as possible, so, as far as possible, an attempt was made to reuse the Object Properties of SIO or, in default, NCIT.
However, in cases where an Object Property was not found in these ontologies with the meaning given by DISNET, an
Object Property was created <i>de novo</i> under DISNET's namespace and classified as a subclass of the relation of
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@@ -671,6 +676,9 @@ This ontology has the following classes and properties.</span>
and classified as subclasses of those of ChEMBL and SNOMED and of <tt>sio:'is referred to by'</tt>.</p>
</div>
<center>
<imgsrc="SEM-DISNET_hierarchy.png"alt="General overview of the SEM-DISNET Ontology Class and object properties hierarchy"width="90%"><figcaption><b>Figure 2</b> - SEM-DISNET hierarchies for Association Classes (A) and Object Properties (B).</figcaption>