Paris Métro Line 4
E39297
Paris Métro Line 4 is one of the main north–south subway lines in Paris, running largely under the Seine and connecting several major railway stations and central city landmarks.
All labels observed (10)
How this entity was disambiguated
This entity first appeared as the object of triple T294411 — 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: Paris Métro Line 4 Context triple: [Gare du Nord, connectsTo, Paris Métro Line 4]
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A.
RER B line
The RER B line is a major Paris regional express railway line that connects central Paris with key northern and southern suburbs, including Charles de Gaulle Airport.
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B.
Champs-Élysées–Clemenceau metro station
Champs-Élysées–Clemenceau metro station is a Paris Métro station located near the Champs-Élysées and the Grand Palais, serving as a key access point to this central and historic area of the city.
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C.
Transilien
Transilien is the suburban and regional rail network operated by SNCF that serves the Île-de-France (Greater Paris) area.
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D.
Orlyval
Orlyval is an automated light rail shuttle service in the Paris region that links Orly Airport to the broader RER and metro network.
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E.
RER C
RER C is a major line of the Paris regional express rail network that connects central Paris with several suburbs and key destinations, including access to Orly Airport.
- 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: Paris Métro Line 4 Target entity description: Paris Métro Line 4 is one of the main north–south subway lines in Paris, running largely under the Seine and connecting several major railway stations and central city landmarks.
-
A.
RER B line
The RER B line is a major Paris regional express railway line that connects central Paris with key northern and southern suburbs, including Charles de Gaulle Airport.
-
B.
Champs-Élysées–Clemenceau metro station
Champs-Élysées–Clemenceau metro station is a Paris Métro station located near the Champs-Élysées and the Grand Palais, serving as a key access point to this central and historic area of the city.
-
C.
Transilien
Transilien is the suburban and regional rail network operated by SNCF that serves the Île-de-France (Greater Paris) area.
-
D.
Orlyval
Orlyval is an automated light rail shuttle service in the Paris region that links Orly Airport to the broader RER and metro network.
-
E.
RER C
RER C is a major line of the Paris regional express rail network that connects central Paris with several suburbs and key destinations, including access to Orly Airport.
- F. None of above. chosen
Statements (65)
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: Paris Métro Line 4 Description of subject: Paris Métro Line 4 is one of the main north–south subway lines in Paris, running largely under the Seine and connecting several major railway stations and central city landmarks.
Referenced by (82)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Paris Métro line 4
subject surface form:
Montparnasse–Bienvenüe
this entity surface form:
Paris Métro line 4
subject surface form:
RER B
this entity surface form:
Paris Métro Line 4 at Barbès–Rochechouart
this entity surface form:
Paris Métro Line 4 stations
this entity surface form:
Paris Métro Line 4 at Gare du Nord via Magenta
this entity surface form:
Paris Métro Line 4 southern extension
this entity surface form:
Paris Métro Line 4 style
this entity surface form:
Line 4 (Paris Métro)
subject surface form:
MP 89
subject surface form:
MP 89 CC
subject surface form:
MP 14
this entity surface form:
Paris Métro line 4