Triple

T3463366

Position	Surface form	Disambiguated ID	Type / Status
Subject	Oxford Circus Underground station	`E73078`	entity
Predicate	hasNightTubeServiceOn	`P48928`	FINISHED
Object	Central line	`E59706`	NE FINISHED

How this triple was built (3 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: Central line | Statement: [Oxford Circus Underground station, hasNightTubeServiceOn, Central line]

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

Target entity: Central line
Context triple: [Oxford Circus Underground station, hasNightTubeServiceOn, Central line]

A. Central line chosen
The Central line is one of the principal lines of the London Underground, running east–west across Greater London and serving many key central and suburban areas.
B. Central Line
The Central Line is one of the major suburban railway corridors in Mumbai, India, connecting the city with its eastern and northeastern suburbs and satellite towns.
C. Central Artery
The Central Artery is a major elevated and now mostly underground highway corridor running through downtown Boston, historically notorious for congestion and central to the "Big Dig" redevelopment project.
D. Clyve
Clyve is a given name, typically a modern or stylistic variant of the name Clive.
E. C Line
The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
F. None of above.
G. Unsure - the case is ambiguous/there is not enough information to decide.

PD Predicate disambiguation gpt-5-mini-2025-08-07

Target predicate: hasNightTubeServiceOn
Context triple: [Oxford Circus Underground station, hasNightTubeServiceOn, Central line]

A. hasTube
Indicates that one entity possesses, includes, or is equipped with a tube as a component or feature.
B. isIlluminatedAtNight
Indicates that an entity receives or emits sufficient light to be visibly illuminated during nighttime conditions.
C. hasMediaHub
Indicates that one entity possesses, contains, or is associated with a central platform or facility for managing, distributing, or accessing media content.
D. hasCanalOrChannel
Indicates that one entity possesses, contains, or is traversed by a canal or channel that serves as a conduit or passageway.
E. streamingService
Indicates that one entity provides or delivers media content over the internet to another entity in real time or on demand.
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_69ad85b224d481908ff8be51338d24ff`	completed	March 8, 2026, 2:20 p.m.
NER	Named-entity recognition	`batch_69adbb0b73f481908c9f8d2b9b9bbbaf`	completed	March 8, 2026, 6:08 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69b373aaff688190b9f12a7042055a1c`	completed	March 13, 2026, 2:17 a.m.
PD	Predicate disambiguation	`batch_69adae05bb0081909dc7e4779d6e05ef`	completed	March 8, 2026, 5:12 p.m.
PDg	Predicate description generation	`batch_69adb1ecb02881908394f197e31431b4`	completed	March 8, 2026, 5:29 p.m.

Created at: March 8, 2026, 3:17 p.m.