Greenwich line
E300479
The Greenwich line is a suburban railway route in southeast London that connects central London with Greenwich and other nearby areas.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Greenwich line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2803571 — 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: Greenwich line Context triple: [Greenwich railway station, lineServed, Greenwich line]
-
A.
Prime Meridian
The Prime Meridian is the internationally recognized zero-degree line of longitude from which all other longitudes and global time zones are measured.
-
B.
Humboldt meridian
The Humboldt meridian is a principal survey meridian used as a reference line for land surveying and mapping in parts of northern California.
-
C.
San Bernardino meridian
The San Bernardino meridian is a principal survey meridian used as a reference line for land surveying and mapping in Southern California and parts of Nevada.
-
D.
The Green Line
The Green Line is a famous 1905 Fauvist portrait by Henri Matisse depicting his wife Amélie with a bold green stripe dividing her face, exemplifying his radical use of color and form.
-
E.
International Date Line
The International Date Line is an imaginary longitudinal line, roughly following the 180th meridian through the Pacific Ocean, where calendar dates change by one day when crossed.
- 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: Greenwich line Target entity description: The Greenwich line is a suburban railway route in southeast London that connects central London with Greenwich and other nearby areas.
-
A.
Prime Meridian
The Prime Meridian is the internationally recognized zero-degree line of longitude from which all other longitudes and global time zones are measured.
-
B.
Humboldt meridian
The Humboldt meridian is a principal survey meridian used as a reference line for land surveying and mapping in parts of northern California.
-
C.
San Bernardino meridian
The San Bernardino meridian is a principal survey meridian used as a reference line for land surveying and mapping in Southern California and parts of Nevada.
-
D.
The Green Line
The Green Line is a famous 1905 Fauvist portrait by Henri Matisse depicting his wife Amélie with a bold green stripe dividing her face, exemplifying his radical use of color and form.
-
E.
International Date Line
The International Date Line is an imaginary longitudinal line, roughly following the 180th meridian through the Pacific Ocean, where calendar dates change by one day when crossed.
- F. None of above. chosen
Statements (45)
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: Greenwich line Description of subject: The Greenwich line is a suburban railway route in southeast London that connects central London with Greenwich and other nearby areas.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.