Pearl Line
E749264
Pearl Line is the former name of Shanghai Metro Line 3, a major rapid transit route running through the city of Shanghai, China.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Pearl Line canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T8663846 — 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: Pearl Line Context triple: [Line 3 (Shanghai Metro), formerName, Pearl Line]
-
A.
Cascade Line
The Cascade Line was a key Southern Pacific Railroad route crossing the Cascade Range in Oregon, known for its steep grades, tunnels, and heavy use by powerful steam locomotives.
-
B.
MARC Penn Line
The MARC Penn Line is a Maryland commuter rail service that runs along the Amtrak Northeast Corridor between Washington, D.C., and Perryville, serving numerous communities in Prince George’s County and beyond.
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C.
Archer Avenue Lines
The Archer Avenue Lines are a set of New York City Subway routes in Queens that run along Archer Avenue, serving as a key transit corridor including the Jamaica Center–Parsons/Archer terminal.
-
D.
Kingston Line
The Kingston Line is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail route serving communities south of Boston between the city and Kingston.
-
E.
Concourse Line
The Concourse Line is a New York City Subway line in the Bronx, primarily served by the B and D trains and running along the Grand Concourse corridor.
- 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: Pearl Line Target entity description: Pearl Line is the former name of Shanghai Metro Line 3, a major rapid transit route running through the city of Shanghai, China.
-
A.
Cascade Line
The Cascade Line was a key Southern Pacific Railroad route crossing the Cascade Range in Oregon, known for its steep grades, tunnels, and heavy use by powerful steam locomotives.
-
B.
MARC Penn Line
The MARC Penn Line is a Maryland commuter rail service that runs along the Amtrak Northeast Corridor between Washington, D.C., and Perryville, serving numerous communities in Prince George’s County and beyond.
-
C.
Archer Avenue Lines
The Archer Avenue Lines are a set of New York City Subway routes in Queens that run along Archer Avenue, serving as a key transit corridor including the Jamaica Center–Parsons/Archer terminal.
-
D.
Kingston Line
The Kingston Line is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail route serving communities south of Boston between the city and Kingston.
-
E.
Concourse Line
The Concourse Line is a New York City Subway line in the Bronx, primarily served by the B and D trains and running along the Grand Concourse corridor.
- F. None of above. chosen
Statements (47)
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: Pearl Line Description of subject: Pearl Line is the former name of Shanghai Metro Line 3, a major rapid transit route running through the city of Shanghai, China.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.