BL
E192939
BL is the postcode area in the United Kingdom that covers Bolton and surrounding parts of Greater Manchester and Lancashire.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T1739429 — 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: BL Context triple: [Bolton, postalArea, BL]
-
A.
BL
BL is the vehicle registration code used on license plates for the Swiss canton of Basel-Landschaft.
-
B.
BAL
BAL is the Amtrak station code for Pennsylvania Station in Baltimore, Maryland, a major rail hub in the city’s transportation network.
-
C.
Bal
Bal is the given name of Bal Gangadhar Tilak, a prominent Indian nationalist leader and social reformer of the late 19th and early 20th centuries.
-
D.
BEL
BEL is the three-letter ISO 3166-1 alpha-3 country code that uniquely identifies Belgium in international standards and data systems.
-
E.
BR
BR is the upper house of Austria’s parliament, representing the federal states in the legislative process.
- 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: BL Target entity description: BL is the postcode area in the United Kingdom that covers Bolton and surrounding parts of Greater Manchester and Lancashire.
-
A.
BL
BL is the vehicle registration code used on license plates for the Swiss canton of Basel-Landschaft.
-
B.
BAL
BAL is the Amtrak station code for Pennsylvania Station in Baltimore, Maryland, a major rail hub in the city’s transportation network.
-
C.
Bal
Bal is the given name of Bal Gangadhar Tilak, a prominent Indian nationalist leader and social reformer of the late 19th and early 20th centuries.
-
D.
BEL
BEL is the three-letter ISO 3166-1 alpha-3 country code that uniquely identifies Belgium in international standards and data systems.
-
E.
BR
BR is the upper house of Austria’s parliament, representing the federal states in the legislative process.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf | postcode area ⓘ |
| adminRegion |
Blackburn with Darwen
ⓘ
linked to:
Borough of Blackburn with Darwen
Chorley Borough ⓘ
linked to:
Chorley
Metropolitan Borough of Bolton ⓘ Metropolitan Borough of Bury ⓘ Rossendale ⓘ
linked to:
Rossendale borough
Salford ⓘ West Lancashire ⓘ |
| alsoKnownAs | Bolton postcode area ⓘ |
| containsPostcodeDistrict |
BL0
ⓘ
BL1 ⓘ BL2 ⓘ BL3 ⓘ BL4 ⓘ BL5 ⓘ BL6 ⓘ BL7 ⓘ BL8 ⓘ BL9 ⓘ |
| containsPostTown |
Bolton
ⓘ
Bury ⓘ Chorley ⓘ Darwen ⓘ Farnworth ⓘ Little Lever ⓘ Radcliffe ⓘ Ramsbottom ⓘ Tottington ⓘ Westhoughton ⓘ |
| country | United Kingdom ⓘ |
| covers |
Bolton
ⓘ
Greater Manchester ⓘ Lancashire ⓘ |
| hasSortingOffice | Bolton Mail Centre ⓘ |
| locatedIn | North West England ⓘ |
| postalSystem |
UK postcode system
ⓘ
linked to:
United Kingdom postcode system
|
| postcodeAreaCode | BL ⓘ |
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: BL Description of subject: BL is the postcode area in the United Kingdom that covers Bolton and surrounding parts of Greater Manchester and Lancashire.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.