Sangamon Mass Transit District
E60818
Sangamon Mass Transit District is the primary public bus transportation agency serving Springfield and surrounding areas in Sangamon County, Illinois.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sangamon Mass Transit District canonical | 2 |
| Springfield Mass Transit District | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T489257 — 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: Sangamon Mass Transit District Context triple: [Springfield, Illinois, hasPublicTransitSystem, Sangamon Mass Transit District]
-
A.
Champaign–Urbana Mass Transit District
The Champaign–Urbana Mass Transit District is the primary public bus system serving the Champaign–Urbana metropolitan area and the University of Illinois campus in Illinois.
-
B.
Regional Transportation Authority of Northeastern Illinois
The Regional Transportation Authority of Northeastern Illinois is the oversight and funding agency that coordinates public transit services, including those of the Chicago Transit Authority, across the Chicago metropolitan area.
-
C.
Chicago Transit Authority
The Chicago Transit Authority is the primary public transportation agency serving Chicago and several surrounding suburbs, operating the city’s extensive network of buses and rapid transit trains.
-
D.
Chicago Surface Lines
Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
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E.
South Shore Line
The South Shore Line is an electric commuter rail service connecting Chicago with communities in northern Indiana, including Gary.
- 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: Sangamon Mass Transit District Target entity description: Sangamon Mass Transit District is the primary public bus transportation agency serving Springfield and surrounding areas in Sangamon County, Illinois.
-
A.
Champaign–Urbana Mass Transit District
The Champaign–Urbana Mass Transit District is the primary public bus system serving the Champaign–Urbana metropolitan area and the University of Illinois campus in Illinois.
-
B.
Regional Transportation Authority of Northeastern Illinois
The Regional Transportation Authority of Northeastern Illinois is the oversight and funding agency that coordinates public transit services, including those of the Chicago Transit Authority, across the Chicago metropolitan area.
-
C.
Chicago Transit Authority
The Chicago Transit Authority is the primary public transportation agency serving Chicago and several surrounding suburbs, operating the city’s extensive network of buses and rapid transit trains.
-
D.
Chicago Surface Lines
Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
-
E.
South Shore Line
The South Shore Line is an electric commuter rail service connecting Chicago with communities in northern Indiana, including Gary.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf |
bus transit system
ⓘ
public transit agency ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fareSystem | paid fare ⓘ |
| governingBody | board of trustees ⓘ |
| hasAccessibilityFeature | wheelchair-accessible buses ⓘ |
| hasJurisdiction | Sangamon County, Illinois ⓘ |
| hasLanguage | English ⓘ |
| hasOfficialName | Sangamon Mass Transit District self-link ⓘ |
| hasPrimaryCityServed | Springfield, Illinois ⓘ |
| hasRegionServed | Central Illinois ⓘ |
| hasServiceFrequencyType | scheduled service ⓘ |
| hasServiceType |
fixed-route bus service
ⓘ
paratransit service ⓘ |
| headquartersLocation | Springfield, Illinois ⓘ |
| industry | public transportation ⓘ |
| isGovernmentAgency | true ⓘ |
| isPubliclyOwned | true ⓘ |
| isSurfaceTransport | true ⓘ |
| locatedIn | Springfield, Illinois ⓘ |
| locatedInAdministrativeTerritory |
Illinois
ⓘ
Sangamon County, Illinois ⓘ |
| operatesInSector | mass transit ⓘ |
| operatesInTimeZone | Central Time Zone ⓘ |
| serviceArea |
Sangamon County, Illinois
ⓘ
Springfield, Illinois ⓘ |
| shortName | SMTD ⓘ |
| transportationMode | bus ⓘ |
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: Sangamon Mass Transit District Description of subject: Sangamon Mass Transit District is the primary public bus transportation agency serving Springfield and surrounding areas in Sangamon County, Illinois.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Springfield Mass Transit District