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Add ontologies page.
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‎images/SAWGraph-Ontology-Overview (simple).png‎

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‎index.html‎

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@@ -41,9 +41,10 @@ <h2 class="w3-border-bottom w3-border-light-grey w3-padding-16">Overview</h2>
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<ul><li>analysis, mapping and communication of the results of testing for PFAS contamination</li>
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<li>spatial connections to known and potential sources</li></ul>
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to support PFAS research and decision making around PFAS testing and mitigation.</p>
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<div class="w3-panel w3-leftbar w3-light-grey">
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<img src="images/overview.png" style="width:100%;max-width:1000px" class="w3-margin-top">
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<p>In contrast to the current ecosystem of disconnected datasources, SAWGraph works by integrating and aligning data into a geospatial knowledge graph that supports interface that can dynamically answer questions about the related datasets. </p>
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<div class="w3-card-4 w3-leftbar w3-light-grey" style="max-width:1100px; padding:15px">
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<img src="images/overview.png" style="width:100%;max-width:1000px" class="w3-margin w3-center">
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<p>In contrast to the current ecosystem of disconnected datasources, SAWGraph works by integrating and aligning data into a geospatial knowledge graph that supports interfaces that can dynamically answer questions about the related datasets. </p>
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</div>
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<h3 class="w3-border-bottom w3-border-light-grey w3-padding-16">Intended Users</h3>
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</div>
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<!-- Use Cases Section -->
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<div class="w3-panel w3-auto w3-padding-large w3-pale-green" id="use_cases">
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<h3 class="w3-border-bottom w3-border-light-grey w3-padding-16">Use Cases</h3>
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<div class="w3-panel w3-padding-large w3-light-green" id="use_cases">
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<h3 class="w3-border-bottom w3-auto w3-border-light-grey w3-padding-16">Use Cases</h3>
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<ul>
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<li><b>Understanding Testing and Testing Gaps:</b> Where have we tested and were are significant gaps?
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<ul>

‎menu.js‎

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<div class="w3-dropdown-content w3-bar-block w3-card-4" style="margin-top: 32px">\
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<a href="kg.html#project" class="w3-bar-item w3-button">Architecture</a>\
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<a href="kg.html#data-sources" class="w3-bar-item w3-button">Data Sources</a>\
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<a href="ontologies.html" class="w3-bar-item w3-button">Ontologies</a>\
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<a href="index.html#about-kgs" class="w3-bar-item w3-button">About KGs</a>\
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</div>\
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</div>\

‎ontologies.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<title>SAWGraph - About Us</title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
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</head>
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<body>
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<!-- Navbar (sit on top) -->
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<div class="w3-top">
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<div class="w3-bar w3-white w3-wide w3-padding w3-card">
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<script src="menu.js"></script>
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</div>
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</div>
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<!-- Page content -->
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<div class="w3-content w3-padding" style="max-width:1564px">
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<br>
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<br>
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<h1>Ontologies</h1>
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<p>Each of the graphs in the SAWGraph project is built upon a set of ontologies that define the structure and relationships within the data.
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Ontologies define the concepts and categories and how they relate. SAWGraph reuses and extends existing ontologies to ensure consistency and interoperability across datasets.
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Each graph also has dataset specific ontology extensions that preserve the original data structure and semantics while aligning it with the overall SAWGraph framework.
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</p>
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<img src="images\SAWGraph-Ontology-Overview (simple).png" style="width:100%;max-width:1000px" class="w3-margin-top">
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<h2>SAWGraph (PFAS) KG</h2>
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<table class="w3-table w3-bordered w3-striped w3-border w3-hoverable w3-white">
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<tr>
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<th>Ontology</th>
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<th>Description</th>
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<th>Source</th>
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<th>Documentation</th>
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<th>Publication</th>
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</tr>
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<tr>
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<td>The Contaminant Observations and Samples Ontology (ContaminOSO)</td>
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<td>The core ontology for the SAWGraph knowledge graph, defining key concepts and relationships related to environmental sampling and release of contaminants. An extensions of <a href="https://www.w3.org/TR/vocab-ssn/">SOSA</a></td>
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<td><a href="https://github.com/SAWGraph/contaminoso" target="_blank">Github</a></td>
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<td><a href="https://sawgraph.github.io/contaminoso/" target="_blank">ContaminOSO</a></td>
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<td><a href="https://doi.org/10.3233/FAIA250501" target="_blank">ContaminOSO: Ontological Foundations and Design Choices for an Ontology for Environmental Contamination Data</a>
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<i> T Hahmann, K Schweikert, S Stephen, D Kedrowski</i></td>
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</tr>
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</table>
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<h2>FRS KG</h2>
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<table class="w3-table w3-bordered w3-striped w3-border w3-hoverable w3-white">
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<tr>
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<th>Ontology</th>
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<th>Description</th>
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<th>Source</th>
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<th>Documentation</th>
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<th>Publication</th>
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</tr>
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<tr>
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<td>Facilities and Industries Ontology (FIO)</td>
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<td>Concepts and relations between facilities, industries and organizations</td>
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<td><a href="https://github.com/SAWGraph/fio" target="_blank">Github</a></td>
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<td><a href="http://w3id.org/fio/" target="_blank">FIO</a></td>
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<td><a href="" target="_blank">An Ontology Design Pattern for Industry Classification in the Facilities and Industries Ontology (FIO)</a>
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<i>K Schweikert,T Hahmann</i></td>
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</tr>
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<tr>
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<td>Facility Registry Service</td>
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<td> Dataset ontology for EPA Facility Registry Service</td>
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<td><a href="https://github.com/SAWGraph/fio/tree/main/datasets/federal/us-frs" target="_blank">Github</a></td>
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<td></td>
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<td></td>
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</tr>
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<tr>
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<td>North American Industry Classification System</td>
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<td> Dataset ontology for NAICS industry classification</td>
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<td><a href="https://github.com/SAWGraph/fio/tree/main/datasets/federal/naics" target="_blank">Github</a></td>
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<td></td>
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<td></td>
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</tr>
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</table>
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<h2>Spatial KG</h2>
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<p>SAWGraph uses topological enrichment with S2 and Administrative Region 3 (county subdivisions and towns) in order to semantically link data in all graphs via their location. This is further outlined in our paper: </p>
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<p class="w3-panel"><a href="https://doi.org/10.4230/lipics.giscience.2025.4 " target="_blank">Precomputed Topological Relations for Integrated Geospatial Analysis Across Knowledge Graphs</a> <i>K Schweikert, DK Kedrowski, S Stephen, THahmann</i> In 13th International Conference on Geographic Information Science (GIScience 2025). Leibniz International Proceedings in Informatics (LIPIcs), Volume 346, pp. 4:1-4:22, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2025) <a href="https://doi.org/10.4230/LIPIcs.GIScience.2025.4" target="_blank">https://doi.org/10.4230/LIPIcs.GIScience.2025.4</a>
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</p>
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<table class="w3-table w3-bordered w3-striped w3-border w3-hoverable w3-white">
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<tr>
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<th>Ontology</th>
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<th>Description</th>
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<th>Source</th>
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<th>Documentation</th>
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<th>Publication</th>
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</tr>
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<tr>
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<td>SAWGraph Spatial Ontology</td>
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<td>A KWG-Ont extension that simplifies querying of spatial predicates by adding a superproperty for all spatial relations (excluding disjoint)</td>
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<td><a href="https://github.com/SAWGraph/geospatial-kg/blob/main/ontologies/sawgraph-spatial-ontology.ttl">Github</a></td>
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<td></td>
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<td></td>
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</tr>
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<tr>
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<td>KnowWhereGraph Ontology</td>
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<td>Ontology for representing and querying geospatial data (Administrative Regions, Precomputed Topological Relations)</td>
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<td></td>
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<td><a href="https://knowwheregraph.org/graph/" target="_blank">KnowWhereGraph</a></td>
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<td></td>
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</tr>
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<tr>
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<td>GeoSPARQL</td>
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<td>OGC standard for representing and querying geospatial data on the Semantic Web</td>
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<td><a href="https://www.ogc.org/standards/geosparql" target="_blank">OGC</a></td>
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<td><a href="https://www.ogc.org/standards/geosparql" target="_blank">GeoSPARQL</a></td>
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<td></td>
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</tr>
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</table>
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<h2> Hydrology KG</h2>
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<table class="w3-table w3-bordered w3-striped w3-border w3-hoverable w3-white">
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<tr>
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<th>Ontology</th>
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<th>Description</th>
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<th>Source</th>
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<th>Documentation</th>
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<th>Publication</th>
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</tr>
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<tr>
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<td>SAWGraph Water Ontology</td>
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<td> Ontology for representing both surface and groundwater. Combines concepts from HY_Features, HYFO, GWML2 and alsoaligns to Geoconnex.</td>
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<td><a href="https://github.com/SAWGraph/water-kg/tree/main/ontologies" target="_blank">Github</a></td>
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<td></td>
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<td></td>
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</tr>
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</table>
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<h2>DSSTox</h2>
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<table class="w3-table w3-bordered w3-striped w3-border w3-hoverable w3-white">
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<tr>
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<th>Ontology</th>
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<th>Description</th>
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<th>Source</th>
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<th>Documentation</th>
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<th>Publication</th>
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</tr>
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<tr>
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<td>DSSTox Ontology</td>
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<td>Ontology for representing chemical substances and their properties based on the DSSTox database structure</td>
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<td><a href="https://github.com/SAWGraph/comptox-ontology" target="_blank">Github</a></td>
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<td></td>
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<td></td>
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</tr>
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</table>
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