UF-OKN
The Urban Flooding Open Knowledge Network (UF-OKN) is an informational infrastructure built using knowledge graphs aiming to extract structured content from the information scattered across open-source geospatial datasets and hydrologic models.
[{"category": "Individual", "contact_details": [{"contact_type": "email", "value": "yeghialt@ucmail.uc.edu"}], "label": "Lilit Yeghiazarian"}, {"category": "Organization", "contact_details": [{"contact_type": "url", "value": "https://ufokn.com/"}, {"contact_type": "github", "value": "UFOKN"}], "label": "UF Open Knowledge Network (UF-OKN)"}]
[{"category": "GraphProduct", "description": "The UF-OKN knowledge graph, published as Linked Data (RDF/Turtle), that links urban infrastructure features to hydrologic forecasts so that flood risk can be explored as connected data. It relates OpenStreetMap building footprints and road networks to their nearest river (via the NHD/NHDPlus reach network) and to the streamflow forecasts from the NOAA National Water Model that would inundate them.", "format": "ttl", "id": "uf-okn.graph", "name": "UF-OKN Knowledge Graph", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "uf-okn"}, {"relation_type": "prov:hadPrimarySource", "source": "noaa-nwm"}, {"relation_type": "prov:hadPrimarySource", "source": "openstreetmap"}, {"relation_type": "prov:hadPrimarySource", "source": "usgs-nhd"}], "product_url": "https://github.com/UFOKN/Knowledge-Graph"}, {"category": "GraphicalInterface", "description": "Public UF-OKN web portal for project information and application context.", "format": "http", "id": "uf-okn.portal", "name": "UF-OKN Portal", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "uf-okn"}], "product_url": "https://ufokn.com/"}, {"category": "ProcessProduct", "description": "Source repository for UF-OKN knowledge graph construction and maintenance.", "format": "http", "id": "uf-okn.code", "name": "UF-OKN Source Code", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "uf-okn"}], "product_url": "https://github.com/UFOKN/Knowledge-Graph"}, {"category": "ProgrammingInterface", "description": "SPARQL endpoint for UF-OKN", "format": "http", "id": "uf-okn.sparql", "name": "UF-OKN SPARQL", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "uf-okn"}], "product_url": "https://apps.okn.us/ufokn/sparql", "warnings": []}, {"category": "ProgrammingInterface", "description": "Triple Pattern Fragments endpoint for UF-OKN", "format": "http", "id": "uf-okn.tpf", "name": "UF-OKN TPF", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "uf-okn"}], "product_url": "https://apps.okn.us/ldf/ufokn"}]
{"activity_status": "active", "category": "KnowledgeGraph", "collection": ["ber", "okn"], "contacts": [{"category": "Individual", "contact_details": [{"contact_type": "email", "value": "yeghialt@ucmail.uc.edu"}], "label": "Lilit Yeghiazarian"}, {"category": "Organization", "contact_details": [{"contact_type": "url", "value": "https://ufokn.com/"}, {"contact_type": "github", "value": "UFOKN"}], "label": "UF Open Knowledge Network (UF-OKN)"}], "creation_date": "2025-08-07T00:00:00Z", "description": "The Urban Flooding Open Knowledge Network (UF-OKN) is an informational infrastructure built using knowledge graphs aiming to extract structured content from the information scattered across open-source geospatial datasets and hydrologic models.", "domains": ["environment"], "evaluation_page": "resource/uf-okn/uf-okn_eval_automated.html", "homepage_url": "https://ufokn.com", "id": "uf-okn", "last_modified_date": "2026-07-03T00:00:00Z", "layout": "resource_detail", "name": "UF-OKN", "products": [{"category": "GraphProduct", "description": "The UF-OKN knowledge graph, published as Linked Data (RDF/Turtle), that links urban infrastructure features to hydrologic forecasts so that flood risk can be explored as connected data. It relates OpenStreetMap building footprints and road networks to their nearest river (via the NHD/NHDPlus reach network) and to the streamflow forecasts from the NOAA National Water Model that would inundate them.", "format": "ttl", "id": "uf-okn.graph", "name": "UF-OKN Knowledge Graph", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "uf-okn"}, {"relation_type": "prov:hadPrimarySource", "source": "noaa-nwm"}, {"relation_type": "prov:hadPrimarySource", "source": "openstreetmap"}, {"relation_type": "prov:hadPrimarySource", "source": "usgs-nhd"}], "product_url": "https://github.com/UFOKN/Knowledge-Graph"}, {"category": "GraphicalInterface", "description": "Public UF-OKN web portal for project information and application context.", "format": "http", "id": "uf-okn.portal", "name": "UF-OKN Portal", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "uf-okn"}], "product_url": "https://ufokn.com/"}, {"category": "ProcessProduct", "description": "Source repository for UF-OKN knowledge graph construction and maintenance.", "format": "http", "id": "uf-okn.code", "name": "UF-OKN Source Code", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "uf-okn"}], "product_url": "https://github.com/UFOKN/Knowledge-Graph"}, {"category": "ProgrammingInterface", "description": "SPARQL endpoint for UF-OKN", "format": "http", "id": "uf-okn.sparql", "name": "UF-OKN SPARQL", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "uf-okn"}], "product_url": "https://apps.okn.us/ufokn/sparql", "warnings": []}, {"category": "ProgrammingInterface", "description": "Triple Pattern Fragments endpoint for UF-OKN", "format": "http", "id": "uf-okn.tpf", "name": "UF-OKN TPF", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "uf-okn"}], "product_url": "https://apps.okn.us/ldf/ufokn"}], "repository": "https://github.com/UFOKN/Knowledge-Graph"}