Neighborhood Information KG
Neighborhood Information KG (NIKG) is a knowledge graph warehouse for neighborhood information.
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{"activity_status": "active", "category": "KnowledgeGraph", "collection": ["okn"], "contacts": [{"category": "Individual", "contact_details": [{"contact_type": "email", "value": "jinggao@purdue.edu"}], "label": "Jing Gao"}], "creation_date": "2025-12-08T00:00:00Z", "description": "Neighborhood Information KG (NIKG) is a knowledge graph warehouse for neighborhood information.", "domains": ["public health"], "evaluation_page": "resource/nikg/nikg_eval_automated.html", "homepage_url": "https://frink.renci.org/registry/kgs/neighborhood-kg/", "id": "nikg", "last_modified_date": "2026-07-03T00:00:00Z", "layout": "resource_detail", "name": "Neighborhood Information KG", "products": [{"category": "ProgrammingInterface", "description": "SPARQL endpoint for Neighborhood Information KG", "format": "http", "id": "nikg.sparql", "name": "Neighborhood Information KG SPARQL", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "nikg"}], "product_url": "https://apps.okn.us/nikg/sparql"}, {"category": "ProgrammingInterface", "description": "Triple Pattern Fragments endpoint for Neighborhood Information KG", "id": "nikg.tpf", "name": "Neighborhood Information KG TPF", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "nikg"}], "product_url": "https://apps.okn.us/ldf/nikg"}, {"category": "GraphProduct", "description": "The Neighborhood Information KG (NIKG) RDF graph, a knowledge graph warehouse integrating neighborhood-level information such as demographics, land use, local incidents and injuries, and proximity to trauma centers. Built from census data and other neighborhood-level records, the graph is served in RDF (Turtle) through the NIKG SPARQL and Triple Pattern Fragments endpoints hosted on the FRINK / Proto-OKN infrastructure.", "format": "ttl", "id": "nikg.graph", "is_public": true, "name": "Neighborhood Information KG RDF Graph", "original_source": [{"relation_type": "prov:hadPrimarySource", "source": "nikg"}, {"relation_type": "prov:hadPrimarySource", "source": "us-census"}], "product_url": "https://frink.renci.org/registry/kgs/neighborhood-kg/", "secondary_source": [{"relation_type": "prov:wasInfluencedBy", "source": "nij"}]}]}