CTA bus 81 Lawrence
E880519
CTA bus 81 Lawrence is a Chicago Transit Authority bus route that runs along Lawrence Avenue, connecting various North Side neighborhoods and transit hubs.
All labels observed (2)
| Label | Occurrences |
|---|---|
| CTA bus 81 Lawrence canonical | 1 |
| CTA bus route 81 Lawrence | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10709309 — 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: CTA bus 81 Lawrence Context triple: [Wilson station (Chicago "L"), hasBusRouteConnection, CTA bus 81 Lawrence]
-
A.
CTA Route 201 Central/Ridge
CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
-
B.
CTA buses
CTA buses are the public transit bus fleet operated by the Chicago Transit Authority, providing extensive local and express service throughout Chicago and some surrounding suburbs.
-
C.
CTA Route 9 Ashland
CTA Route 9 Ashland is a major Chicago Transit Authority bus line that runs along Ashland Avenue, providing north–south service through numerous neighborhoods across the city.
-
D.
CTA bus route 36 Broadway
CTA bus route 36 Broadway is a Chicago Transit Authority bus line that primarily runs along Broadway on the city’s North Side, serving dense residential and commercial corridors and connecting with multiple other bus and rail routes.
-
E.
CTA bus route 39
CTA bus route 39 is a Chicago Transit Authority bus line that primarily operates along Pershing Road, connecting neighborhoods on the South Side and providing links to CTA rail and other bus services.
- 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: CTA bus 81 Lawrence Target entity description: CTA bus 81 Lawrence is a Chicago Transit Authority bus route that runs along Lawrence Avenue, connecting various North Side neighborhoods and transit hubs.
-
A.
CTA Route 201 Central/Ridge
CTA Route 201 Central/Ridge is a Chicago Transit Authority bus route serving Evanston and nearby North Shore communities, connecting key local destinations and transit hubs including the Davis station.
-
B.
CTA buses
CTA buses are the public transit bus fleet operated by the Chicago Transit Authority, providing extensive local and express service throughout Chicago and some surrounding suburbs.
-
C.
CTA Route 9 Ashland
CTA Route 9 Ashland is a major Chicago Transit Authority bus line that runs along Ashland Avenue, providing north–south service through numerous neighborhoods across the city.
-
D.
CTA bus route 36 Broadway
CTA bus route 36 Broadway is a Chicago Transit Authority bus line that primarily runs along Broadway on the city’s North Side, serving dense residential and commercial corridors and connecting with multiple other bus and rail routes.
-
E.
CTA bus route 39
CTA bus route 39 is a Chicago Transit Authority bus line that primarily operates along Pershing Road, connecting neighborhoods on the South Side and providing links to CTA rail and other bus services.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
Chicago Transit Authority bus route
ⓘ
bus route ⓘ |
| connectsTo |
CTA rail system
ⓘ
linked to:
CTA rail network
|
| connectsWith |
CTA Blue Line
ⓘ
CTA Brown Line ⓘ CTA Red Line ⓘ |
| fareSystem | Ventra ⓘ |
| governedBy |
Chicago Transit Board
ⓘ
linked to:
Chicago Transit Authority
|
| hasAccessibility | wheelchair-accessible buses ⓘ |
| hasFeature | bike racks on buses ⓘ |
| hasOperator | CTA bus operator ⓘ |
| hasService |
holiday service
ⓘ
weekday service ⓘ weekend service ⓘ |
| hasServiceType | local bus service ⓘ |
| hasStopType | on-street bus stops ⓘ |
| isPublicTransport | true ⓘ |
| locatedIn |
Chicago
ⓘ
linked to:
Chicago, Illinois, United States
Illinois ⓘ United States ⓘ
linked to:
United States of America
|
| modeOfTransport | bus ⓘ |
| operatedBy | Chicago Transit Authority ⓘ |
| partOfNetwork |
CTA bus system
ⓘ
linked to:
CTA buses
|
| paymentMethod |
Ventra card
ⓘ
linked to:
Ventra
Ventra ticket ⓘ
linked to:
Ventra
contactless card ⓘ mobile payment via Ventra app ⓘ |
| routeNumber | 81 ⓘ |
| runsAlong | Lawrence Avenue ⓘ |
| servesArea |
Chicago North Side
ⓘ
linked to:
North Side of Chicago
|
| servesNeighborhood |
Albany Park
ⓘ
Jefferson Park area ⓘ
linked to:
Jefferson Park neighborhood
Lincoln Square ⓘ
linked to:
Lincoln Square, Chicago
Uptown ⓘ |
| servesStreet | Lawrence Avenue ⓘ |
| uses | city streets ⓘ |
| usesFarePolicy |
CTA standard bus fare
ⓘ
free transfers with eligible Ventra passes ⓘ |
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: CTA bus 81 Lawrence Description of subject: CTA bus 81 Lawrence is a Chicago Transit Authority bus route that runs along Lawrence Avenue, connecting various North Side neighborhoods and transit hubs.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Wilson Red/Purple Line station
linked to: CTA bus 81 Lawrence