D209
E614197
D209 is the commonly used abbreviation for Proviso Township High Schools District 209, a public high school district serving communities in the Proviso Township area of Illinois.
All labels observed (1)
| Label | Occurrences |
|---|---|
| D209 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6706610 — 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: D209 Context triple: [Proviso Township High Schools District 209, abbreviation, D209]
-
A.
D207
D207 is the commonly used abbreviation for Maine Township High School District 207, a public high school district serving parts of suburban Chicago, Illinois.
-
B.
D910
D910 is a departmental road in France that serves as a key route connecting and passing through the commune of Ville-d'Avray in the Île-de-France region.
-
C.
D22
D22 is the second-generation Nissan Navara (also known as the Nissan Frontier in some markets), a compact pickup truck platform produced from the late 1990s into the 2000s.
-
D.
D-2
D-2 was a 1993 German-led Spacelab space shuttle mission focused on microgravity and life sciences research in low Earth orbit.
-
E.
D21
D21 is the second-generation Nissan Navara (also known as the Nissan Hardbody), a compact pickup truck platform produced from the mid-1980s through the late 1990s and sold worldwide.
- 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: D209 Target entity description: D209 is the commonly used abbreviation for Proviso Township High Schools District 209, a public high school district serving communities in the Proviso Township area of Illinois.
-
A.
D207
D207 is the commonly used abbreviation for Maine Township High School District 207, a public high school district serving parts of suburban Chicago, Illinois.
-
B.
D910
D910 is a departmental road in France that serves as a key route connecting and passing through the commune of Ville-d'Avray in the Île-de-France region.
-
C.
D22
D22 is the second-generation Nissan Navara (also known as the Nissan Frontier in some markets), a compact pickup truck platform produced from the late 1990s into the 2000s.
-
D.
D-2
D-2 was a 1993 German-led Spacelab space shuttle mission focused on microgravity and life sciences research in low Earth orbit.
-
E.
D21
D21 is the second-generation Nissan Navara (also known as the Nissan Hardbody), a compact pickup truck platform produced from the mid-1980s through the late 1990s and sold worldwide.
- F. None of above. chosen
Statements (22)
| Predicate | Object |
|---|---|
| instanceOf |
high school district
ⓘ
public high school ⓘ public school district ⓘ |
| country | United States of America ⓘ |
| county | Cook County, Illinois ⓘ |
| educationLevel | high school ⓘ |
| educationSystem | Illinois public school system ⓘ |
| follows | Illinois State Board of Education standards ⓘ |
| fundingType | tax-supported ⓘ |
| governingBody | Board of Education of Proviso Township High Schools District 209 ⓘ |
| hasAbbreviation |
D209
ⓘ
District 209 ⓘ |
| hasSchool |
Proviso East High School
ⓘ
Proviso Mathematics and Science Academy ⓘ Proviso West High School ⓘ |
| languageOfInstruction | English ⓘ |
| locatedInTimeZone | Central Time Zone ⓘ |
| officialName | Proviso Township High Schools District 209 ⓘ |
| schoolType | secondary education ⓘ |
| sector | public ⓘ |
| servesArea |
Proviso Township, Illinois
ⓘ
linked to:
Proviso Township
|
| state | Illinois ⓘ |
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: D209 Description of subject: D209 is the commonly used abbreviation for Proviso Township High Schools District 209, a public high school district serving communities in the Proviso Township area of Illinois.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
D209