Triple

T2383132

Position	Surface form	Disambiguated ID	Type / Status
Subject	Westminster Bridge	`E46355`	entity
Predicate	near	`P350`	FINISHED
Object	Lambeth North Underground station Lambeth North Underground station is a London Underground station on the Bakerloo line serving the Lambeth area just south of the River Thames.	`E301924`	NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini

Instruction

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Input

Phrase: Lambeth North Underground station | Statement: [Westminster Bridge, near, Lambeth North Underground station]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Lambeth North Underground station
Context triple: [Westminster Bridge, near, Lambeth North Underground station]

A. Elephant & Castle Underground station
Elephant & Castle Underground station is a major London Underground interchange in the Elephant and Castle area, serving both the Bakerloo and Northern lines in the London Borough of Southwark.
B. Clapham North Underground station
Clapham North Underground station is a London Underground station on the Northern line serving the Clapham area in south London.
C. Kennington Underground Station
Kennington Underground Station is a London Underground station in the district of Kennington, serving the Northern line and acting as a key junction near central London.
D. North Greenwich Underground station
North Greenwich Underground station is a London Underground station on the Jubilee line that serves the Greenwich Peninsula and provides primary access to The O2 Arena.
E. Hampstead tube station
Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NEDg Description generation gpt-5.1

Instruction

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Input

Entity: Lambeth North Underground station
Triple: [Westminster Bridge, near, Lambeth North Underground station]

Generated description

Lambeth North Underground station is a London Underground station on the Bakerloo line serving the Lambeth area just south of the River Thames.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Lambeth North Underground station
Target entity description: Lambeth North Underground station is a London Underground station on the Bakerloo line serving the Lambeth area just south of the River Thames.

A. Elephant & Castle Underground station
Elephant & Castle Underground station is a major London Underground interchange in the Elephant and Castle area, serving both the Bakerloo and Northern lines in the London Borough of Southwark.
B. Clapham North Underground station
Clapham North Underground station is a London Underground station on the Northern line serving the Clapham area in south London.
C. Kennington Underground Station
Kennington Underground Station is a London Underground station in the district of Kennington, serving the Northern line and acting as a key junction near central London.
D. North Greenwich Underground station
North Greenwich Underground station is a London Underground station on the Jubilee line that serves the Greenwich Peninsula and provides primary access to The O2 Arena.
E. Hampstead tube station
Hampstead tube station is a London Underground station on the Northern line, known for serving the Hampstead area of the London Borough of Camden and for having one of the deepest platforms on the network.
F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step	Stage	Batch ID	Status	When
creating	Elicitation	`batch_69a88a1554a48190a0180682bcf099be`	completed	March 4, 2026, 7:37 p.m.
NER	Named-entity recognition	`batch_69abc7bafa248190a68e8f1e081f4817`	completed	March 7, 2026, 6:37 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69afce7a1c908190919280545ae4443c`	completed	March 10, 2026, 7:55 a.m.
NEDg	Description generation	`batch_69afcf9a54248190afcf80f1b66298b1`	completed	March 10, 2026, 8 a.m.
NED2	Entity disambiguation (via description)	`batch_69afd0bb64748190a3af9900a9add6fa`	completed	March 10, 2026, 8:05 a.m.

Created at: March 4, 2026, 7:57 p.m.