PostGIS
E97115
PostGIS is an open-source spatial database extender that adds robust geographic object support and spatial querying capabilities to PostgreSQL.
All labels observed (3)
| Label | Occurrences |
|---|---|
| PostGIS canonical | 21 |
| PostGIS geometry processing functions | 1 |
| PostgreSQL with PostGIS extension | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T816994 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PostGIS Context triple: [PostgreSQL, supportsExtension, PostGIS]
-
A.
PostgreSQL
PostgreSQL is a powerful open-source relational database management system known for its robustness, extensibility, and strong standards compliance.
-
B.
Geographic Information Systems (GIS)
Geographic Information Systems (GIS) are computer-based tools and methods for capturing, storing, analyzing, and visualizing spatial and geographic data to support mapping and decision-making.
-
C.
OGIS
OGIS is the U.S. federal office that mediates Freedom of Information Act (FOIA) disputes and oversees agency FOIA compliance to improve government transparency.
-
D.
MariaDB
MariaDB is an open-source relational database management system, forked from MySQL, known for its compatibility, performance, and community-driven development.
-
E.
SQL
SQL (Structured Query Language) is a standardized programming language used to manage, query, and manipulate data in relational database management systems.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: PostGIS Target entity description: PostGIS is an open-source spatial database extender that adds robust geographic object support and spatial querying capabilities to PostgreSQL.
-
A.
PostgreSQL
PostgreSQL is a powerful open-source relational database management system known for its robustness, extensibility, and strong standards compliance.
-
B.
Geographic Information Systems (GIS)
Geographic Information Systems (GIS) are computer-based tools and methods for capturing, storing, analyzing, and visualizing spatial and geographic data to support mapping and decision-making.
-
C.
OGIS
OGIS is the U.S. federal office that mediates Freedom of Information Act (FOIA) disputes and oversees agency FOIA compliance to improve government transparency.
-
D.
MariaDB
MariaDB is an open-source relational database management system, forked from MySQL, known for its compatibility, performance, and community-driven development.
-
E.
SQL
SQL (Structured Query Language) is a standardized programming language used to manage, query, and manipulate data in relational database management systems.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
PostgreSQL extension
ⓘ
geospatial software ⓘ open-source software ⓘ spatial database extender ⓘ |
| compatibleWith |
GDAL
ⓘ
GeoServer ⓘ MapServer ⓘ QGIS ⓘ |
| developedFor | PostgreSQL ⓘ |
| enables |
area calculations
ⓘ
buffer operations ⓘ coordinate transformations ⓘ distance calculations ⓘ overlay operations ⓘ spatial indexing ⓘ spatial queries in SQL ⓘ |
| hasComponent |
postgis extension module
ⓘ
raster extension ⓘ sfcgal extension ⓘ topology extension ⓘ |
| implements |
ISO SQL/MM Spatial standard (partially)
ⓘ
OGC standards ⓘ OpenGIS Simple Features for SQL specification ⓘ
linked to:
Open Geospatial Consortium
|
| license | GNU General Public License ⓘ |
| partOf |
PostgreSQL ecosystem
ⓘ
linked to:
PostgreSQL
|
| repository | https://github.com/postgis/postgis ⓘ |
| supports |
geographic objects
ⓘ
geography data type ⓘ geometry data type ⓘ raster data type ⓘ topology data model ⓘ |
| supportsFormat |
GML
ⓘ
GeoJSON ⓘ KML ⓘ WKB ⓘ WKT ⓘ |
| supportsOperation |
ST_Area
ⓘ
ST_Buffer ⓘ ST_Contains ⓘ ST_Distance ⓘ ST_Intersects ⓘ ST_Length ⓘ ST_Transform ⓘ ST_Union ⓘ ST_Within ⓘ |
| usesIndexType |
BRIN
ⓘ
GiST ⓘ SP-GiST ⓘ
linked to:
GiST
|
| website | https://postgis.net ⓘ |
| writtenIn | C ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: PostGIS Description of subject: PostGIS is an open-source spatial database extender that adds robust geographic object support and spatial querying capabilities to PostgreSQL.
Referenced by (23)
Full triples — surface form annotated when it differs from this entity's canonical label.